Back to destinations
AI-generated illustrative scene; not a photograph of this destination
AI-generated
India

Chidambaram weather & best time to visit

Sun, sea & sand

Chidambaram at a glance

Best time
Jan – Mar
Warmest month
May · 38°
Warmest sea
Apr · 29.8°
Sunshine a year
2,320 h
Rain a year
1,185 mm
Climate
Tropical
Time zone
UTC+5:30
Elevation
16 m

Climate in Chidambaram

Chidambaram has a tropical climate: it is warm all year round, and the seasons differ mainly in how much rain falls. May is the warmest month with average highs of 38 °C, while December is the coolest at 29 °C. With around 2,320 hours of sunshine a year, Chidambaram is sunny; March is the sunniest month with 8.2 hours a day.

Holiday weather through the year

Best time to visit

Best time to visit Chidambaram

The best time to visit Chidambaram is from January to March. For a beach holiday – sea from 21 °C, warm and mostly dry – go from January to June. From March to September it can get very hot, with highs of up to 38 °C. The rainy season is from October to December; the wettest month is November with 347 mm.

Chidambaram through the seasons

How the weather changes over the seasons, with averages for each.

Chidambaram in the dry season

Jan – Sep

68

Good

  • 30–38 °C by day
  • Sea 29 °C
  • 6.8 h of sun a day
  • 73 rainy days in all

Chidambaram in the rainy season

Oct – Dec

65

Good

  • 29–33 °C by day
  • Sea 28 °C
  • 4.9 h of sun a day
  • 54 rainy days in all

Which month for what?

Beach & swimming

Jan – Jun

Sea from 21 °C, warm and mostly dry

Sightseeing & hiking

No month

15–28 °C and not too much rain

Peak heat

Mar – Sep

Highs of 33 °C or more

Rainy months

Oct – Dec

Rainy season or more than 12 rainy days

Find your perfect month

Tell us what you like and we rate every month in Chidambaram for you.

Swimming in the sea
Sunshine
Little rain

Your best months: January – February

Based on the climate averages; tap a month to see its details.

Your holiday weather, at a glance

Weather in October

Weather in October

59

Holiday weather in October

Fair

Best time to visit: January – March

October is in the cyclone season Hurricane season

Keep in mindFrequent rainStorm season

A typical day in October

  1. Morning, 08:00: about 28°
  2. Midday, 13:00: about 33°
  3. Afternoon, 16:00: about 32°
  4. Evening, 20:00: about 28°
  5. Night, 23:00: about 27°

06:0017:54

Warm enough for a T-shirt in the evening.

Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.

Light for photos in October

Golden hour
Morning 05:47–06:28 · evening 17:25–18:07
Blue hour
Morning 05:39–05:47 · evening 18:07–18:15

Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.

October in Chidambaram compared with home

Home:

Loading the climate at home …

Early or late October?

In October, daytime highs fall from about 34° at the start of the month to 31° at the end. The days get 0.3 h shorter.

Early or late October?
October1 Oct31 Oct
Daytime high34°31°
Night-time low25°24°
Sea29°29°
Daylight12.0 h11.7 h

What is the weather like in Chidambaram in October?

In October, Chidambaram is hot: daytime highs average 33 °C, and even at night it stays warm at around 25 °C. The sea averages 29.2 °C – almost as warm as a bath. Expect around 5.2 hours of sunshine a day. It is the rainy season: rain falls on about 19 days, totalling 230 mm. On about 28 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, October is a so-so month for a holiday in Chidambaram.

More details for October

Daylight
11 h 54 min06:00 – 17:54
UV index
12 · extremeclear sky, noon (estimate)All months
Muggy days
31 daysdew point 18 °C or moreAll months
Wind
16 km/haverage daily peakAll months
Cloud cover
72 %on averageAll months
Hot days
28 days30 °C or moreAll months
Time zone
UTC+5:30offset from UTC

How the score comes together

  • Temperatureweight 35 %76 %
  • Seaweight 25 %100 %
  • Sunshineweight 20 %37 %
  • Few rainy daysweight 20 %0 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in October

  • Swimwear
  • Sunscreen
  • Sunglasses & sun hat
  • Light, breathable clothes
  • Water bottle – drink plenty
  • Insect repellent
  • Rain jacket or umbrella

Compare two months in Chidambaram

Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.

vs

February has the better holiday weather in Chidambaram: score 95 against 59. In February, days are 2 °C cooler than in October. The sea is 2 °C cooler in February. February has 16 fewer rainy days. The sun shines 3 hours longer a day in February.

October vs February, Chidambaram
MonthOctoberFebruary
Holiday weather score5995better
Daytime high33°31°
Night-time low25°22°
Sea29.2°27.4°
Sunshine5.2 h7.8 hbetter
Rainy days193better
Rainfall230 mm15 mmbetter
Muggy days3126better

Based on the climate averages 1996–2025.

Chidambaram month by month

The typical weather for every month at a glance.

89January30° · Sea 27° · 6.7 h

In January, Chidambaram is hot: daytime highs average 30 °C, and even at night it stays warm at around 21 °C. The sea averages 26.8 °C – lovely and warm for swimming. The sun shines for around 6.7 hours a day. Rain falls on about 6 days, adding up to 33 mm. On about 12 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, January is an excellent month for a holiday in Chidambaram.

Chidambaram in January
95February31° · Sea 27° · 7.8 h

In February, Chidambaram is hot: daytime highs average 31 °C, and even at night it stays warm at around 22 °C. The sea averages 27.4 °C – lovely and warm for swimming. The sun shines for around 7.8 hours a day. Rain is rare: about 3 days bring 15 mm in total. On about 25 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, February is an excellent month for a holiday in Chidambaram.

Chidambaram in February
85March34° · Sea 29° · 8.2 h

In March, Chidambaram is very hot: daytime highs average 34 °C, and even at night it stays warm at around 24 °C. The sea averages 28.7 °C – lovely and warm for swimming. The sun shines for around 8.2 hours a day. Rain is rare: about 3 days bring 20 mm in total. The thermometer climbs to 30 °C or more every day. The air is often humid and muggy. All in all, March is an excellent month for a holiday in Chidambaram.

Chidambaram in March
73April36° · Sea 30° · 8.2 h

In April, Chidambaram is very hot: daytime highs average 36 °C, and even at night it stays warm at around 26 °C. The sea averages 29.8 °C – almost as warm as a bath. The sun shines for around 8.2 hours a day. Rain is rare: about 5 days bring 29 mm in total. The thermometer climbs to 30 °C or more every day. The air is often humid and muggy. All in all, April is a good month for a holiday in Chidambaram.

Chidambaram in April
61May38° · Sea 30° · 8.1 h

In May, Chidambaram is very hot: daytime highs average 38 °C, and even at night it stays warm at around 27 °C. The sea averages 29.6 °C – almost as warm as a bath. The sun shines for around 8.1 hours a day. Rain falls on about 6 days, adding up to 51 mm. The thermometer climbs to 30 °C or more every day. The air is often humid and muggy. All in all, May is a good month for a holiday in Chidambaram.

Chidambaram in May
54June37° · Sea 29° · 6.3 h

In June, Chidambaram is very hot: daytime highs average 37 °C, and even at night it stays warm at around 27 °C. The sea averages 29.1 °C – almost as warm as a bath. Expect around 6.3 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 44 mm in total. The thermometer climbs to 30 °C or more every day. The air is often humid and muggy. All in all, June is a so-so month for a holiday in Chidambaram.

Chidambaram in June
50July36° · Sea 29° · 5.1 h

In July, Chidambaram is very hot: daytime highs average 36 °C, and even at night it stays warm at around 26 °C. The sea averages 28.9 °C – lovely and warm for swimming. Expect around 5.1 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 54 mm in total. The thermometer climbs to 30 °C or more every day. The air is often humid and muggy. All in all, July is a so-so month for a holiday in Chidambaram.

Chidambaram in July
51August35° · Sea 29° · 5.4 h

In August, Chidambaram is very hot: daytime highs average 35 °C, and even at night it stays warm at around 26 °C. The sea averages 28.6 °C – lovely and warm for swimming. Expect around 5.4 hours of sunshine a day. It rains often – on about 14 days, adding up to 89 mm. The thermometer climbs to 30 °C or more every day. The air is often humid and muggy. All in all, August is a so-so month for a holiday in Chidambaram.

Chidambaram in August
56September35° · Sea 29° · 5.8 h

In September, Chidambaram is very hot: daytime highs average 35 °C, and even at night it stays warm at around 25 °C. The sea averages 28.8 °C – lovely and warm for swimming. Expect around 5.8 hours of sunshine a day. It rains often – on about 14 days, adding up to 86 mm. The thermometer climbs to 30 °C or more every day. The air is often humid and muggy. All in all, September is a so-so month for a holiday in Chidambaram.

Chidambaram in September
59October33° · Sea 29° · 5.2 h

In October, Chidambaram is hot: daytime highs average 33 °C, and even at night it stays warm at around 25 °C. The sea averages 29.2 °C – almost as warm as a bath. Expect around 5.2 hours of sunshine a day. It is the rainy season: rain falls on about 19 days, totalling 230 mm. On about 28 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, October is a so-so month for a holiday in Chidambaram.

Chidambaram in October
65November30° · Sea 29° · 4.4 h

In November, Chidambaram is hot: daytime highs average 30 °C, and even at night it stays warm at around 23 °C. The sea averages 28.5 °C – lovely and warm for swimming. Expect around 4.4 hours of sunshine a day. It is the rainy season: rain falls on about 20 days, totalling 347 mm. On about 18 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, November is a good month for a holiday in Chidambaram.

Chidambaram in November
72December29° · Sea 27° · 5.2 h

In December, Chidambaram is hot: daytime highs average 29 °C, and even at night it stays warm at around 22 °C. The sea averages 27.3 °C – lovely and warm for swimming. Expect around 5.2 hours of sunshine a day. It is the rainy season: rain falls on about 14 days, totalling 188 mm. On about 5 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, December is a good month for a holiday in Chidambaram.

Chidambaram in December

Climate in detail

Climate through the year

Long-term monthly averages. Tap a month to see its details.

Best time to visit

Nights and sleep in Chidambaram

How warm the nights get in each month, from the mean night-time low. Tap a month for details.

  • Warm 20–24°
  • Hot 24° and more
  • muggy month (15+ muggy days)

HotOctober: nights around 25°. Hot nights: air conditioning makes sleeping much easier. Muggy on about 31 days (dew point 18 °C or more).

The coolest nights are in January (21°), the warmest in May (27°). Nights stay tropical all year (20 °C and more), so a room with air conditioning or at least a fan pays off. It is muggy (dew point 18 °C or more) all year, on about 357 days a year.

Temperatures through the year

Average daytime high, night-time low and sea temperature per month.

OctoberDay 33°Night 25°Sea 29°
DayNightSea
MonthScoreDayNightSeaSunRain daysRain mm
JanuaryJan8930°21°26.8°6.7 h633
FebruaryFeb9531°22°27.4°7.8 h315
MarchMar8534°24°28.7°8.2 h320
AprilApr7336°26°29.8°8.2 h529
MayMay6138°27°29.6°8.1 h651
JuneJun5437°27°29.1°6.3 h1044
JulyJul5036°26°28.9°5.1 h1254
AugustAug5135°26°28.6°5.4 h1489
SeptemberSep5635°25°28.8°5.8 h1486
OctoberOct5933°25°29.2°5.2 h19230
NovemberNov6530°23°28.5°4.4 h20347
DecemberDec7229°22°27.3°5.2 h14188

Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences

11.40° N, 79.69° E · 16 m · Asia/Kolkata

Swimming calendar

Sea temperature in Chidambaram

Monthly sea surface temperature with the range of cooler and warmer years.

Sea in October29.2°Cvery warm

8 in 10 years: 28.9 – 29.6 °C

Swimming season: all year

  • cold
  • fresh
  • refreshing
  • pleasant
  • warm
  • very warm
OctoberMean sea temperature 29.2°8 in 10 years 28.9° – 29.6°
20°
Mean sea temperature8 in 10 years20 °C – comfortable for swimming

The sea temperature in Chidambaram ranges from 26.8 °C in January to 29.8 °C in April. At 20 °C and more, the sea is warm enough for swimming all year round.

The sea temperature varies from year to year: in April, eight out of ten years were between 29.4 and 30.2 °C.

Sea temperature by month
MonthAverageCool yearWarm yearFeels
JanuaryJan26.8°26.3°27.5°warm
FebruaryFeb27.4°26.9°28.0°warm
MarchMar28.7°28.3°29.2°warm
AprilApr29.8°29.4°30.2°very warm
MayMay29.6°28.8°30.4°very warm
JuneJun29.1°28.5°29.6°very warm
JulyJul28.9°28.5°29.4°warm
AugustAug28.6°28.1°29.3°warm
SeptemberSep28.8°28.2°29.4°warm
OctoberOct29.2°28.9°29.6°very warm
NovemberNov28.5°28.0°29.1°warm
DecemberDec27.3°26.8°27.7°warm
Sunshine

Sunshine hours in Chidambaram

Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.

Per year
2,320 hours
Sunniest month
Mar · 8.2 h a day
Least sunshine
Nov · 4.4 h a day
OctoberSunshine 5.2 hDaylight 11.9 hShare of daylight 44 %
SunshineDaylight

In October, the sun shines for about 5.2 of 11.9 hours of daylight in Chidambaram, 44 % of the daylight hours.

Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.

Rain

Rain in Chidambaram: rainy days and rainfall

A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.

Per year
1,185 mm on 127 days
Wettest month
Nov · 347 mm
Driest month
Feb · 15 mm
OctoberRainy days 19Rainfall 230 mm

In October, Chidambaram has about 19 rainy days with 230 mm of rain in total.

Sun protection

UV index in Chidambaram

How strong the sun is at noon, month by month, and how quickly unprotected skin burns.

Clear-sky UV in October
12 · extremeAvoid the midday sun; SPF 50+, covering clothes, hat and sunglasses.

The sun is strongest in April (UV 13).

Minutes until sunburn in October

Very fair skin
about 10 min
Fair skin
about 15 min
Light brown skin
about 20 min
Olive skin
about 25 min

Rough guide for unprotected skin at noon under a clear sky; clouds lengthen the time, water, sand and snow shorten it. Sunscreen extends the time only partly.

Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.

Wind & clouds

Wind and clouds in Chidambaram

How breezy and how cloudy Chidambaram is through the year. Tap a month to select it on the whole page.

Wind

Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.

Year average
20 km/h · moderate breeze
Windiest month
May · 22 km/h
Calmest month
Oct · 16 km/h
OctoberWind 16 km/hBeaufort 3
20
WindBeaufort 4

In October, the wind in Chidambaram typically peaks at 16 km/h during the day: Beaufort 3, gentle breeze.

Breezy months for windsurfing and kiting

From Beaufort 4 (20 km/h) the daily breeze is usually enough for windsurfing and often for kiting: Apr – Aug, Nov – Jan.

Clouds

Average share of the sky covered by cloud, day and night.

Year average
65 % · variable cloud
Clearest month
Mar · 37 %
Cloudiest month
Jul · 88 %
OctoberCloud cover 72 %Sunshine 5.2 h

In October, cloud covers on average 72 % of the sky over Chidambaram: mostly cloudy, with about 5.2 hours of sunshine a day.

Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.

Heat & humidity

Heat and humidity in Chidambaram

How often the day gets hot in Chidambaram (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.

Hot days a year
300 days
Hottest month
May · 38 °C
Hot months
Feb – Nov

Heat calendar

  • pleasant
  • some hot or muggy days
  • often muggy
  • often hot
  • hot and muggy
OctoberHot days (30 °C+) 28Daytime high 33 °C

In October, Chidambaram has about 28 hot days, with an average daytime high of 33 °C: hot and muggy. Plan outdoor activities for the morning and evening, drink a lot and take breaks in the cool.

Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year

Planning a trip to Chidambaram

Weather for your travel dates

Pick your arrival and length of stay, and we sum up the weather to expect.

Chidambaram in the school holidays

How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.

Chidambaram has its best school-holiday weather during the Christmas holidays (score 81) and its weakest during the summer holidays (score 51).

  • Easter holidays

    Mar – Apr

    77

    Good

    • 35 °C by day
    • Sea 29 °C
    • 8.2 h of sun a day
    • 4 rainy days a month

    Good for: Beach & swimming

    Keep in mind: Peak heat, Storm season

  • May half-term

    May – Jun

    60

    Good

    • 37 °C by day
    • Sea 30 °C
    • 7.7 h of sun a day
    • 7 rainy days a month

    Good for: Beach & swimming

    Keep in mind: Peak heat, Storm season

  • Summer holidays

    Jul – Aug

    51

    Fair

    • 36 °C by day
    • Sea 29 °C
    • 5.3 h of sun a day
    • 14 rainy days a month

    Keep in mind: Peak heat

  • October half-term

    Oct

    59

    Fair

    • 33 °C by day
    • Sea 29 °C
    • 5.2 h of sun a day
    • 19 rainy days a month

    Keep in mind: Frequent rain, Storm season

  • Christmas holidays

    Dec – Jan

    81

    ExcellentBest holidays

    • 29 °C by day
    • Sea 27 °C
    • 6.0 h of sun a day
    • 10 rainy days a month

    Keep in mind: Frequent rain, Storm season

Based on the climate averages 1996–2025.

Getting there

Flying from

Nonstop flight
about 10 h 35 min
Distance
8,340 km
Time zone
UTC+5:30
Jet lag
About 5 days (5 h east)

Rule of thumb for flying east: for a few days before, go to bed and get up a little earlier, and get plenty of morning light at your destination.

Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.

Storm season

Chidambaram lies in an area that cyclones from the northern Indian Ocean can reach. The cyclone season runs from April to June and from October to December, with most storms in May and in November. A direct hit on any one place is rare, but if you travel then, keep an eye on weather warnings and book flexibly.

  1. January
  2. February
  3. March
  4. April: Season
  5. May: Peak
  6. June: Season
  7. July
  8. August
  9. September
  10. October: Season
  11. November: Peak
  12. December: Season

Official season dates of the regional warning centres (NOAA, JMA, IMD, Météo-France, BoM, Fiji Meteorological Service); not a forecast.

Compare & alternatives

Compare

Chidambaram compared

Put Chidambaram side by side with another destination.

Nearby:
Compare with home:

Chidambaram vs Tharangambadi

In October the holiday weather in Chidambaram and Tharangambadi is about equally good (score 59 vs 57). During the day it is about as warm in Tharangambadi as in Chidambaram. The sea is about equally warm.

Chidambaram vs Tharangambadi, in October
in OctoberChidambaramTharangambadi
Holiday weather score5957
Daytime high33°33°
Sea29°29°
Sunshine5 h5 h
Rainy days1919
Best timeJan – MarJan – Mar

Through the year

OctoberChidambaram 33°Tharangambadi 33°
ChidambaramTharangambadi
Go to Tharangambadi
Ranking

India in October: the best places

In October, Chidambaram ranks 6 among the 31 nearest destinations in this country.

  1. Thiruchendur32°28°72
  2. 2Auroville32°29°64
  3. 3Cheyyur32°29°63
  4. 4Mahabalipuram32°29°63
  5. 5Rameswaram33°29°62
  6. 6ChidambaramThis page33°29°59
  7. 7Tharangambadi33°29°57
  8. 8Ooty19°55
All destinations: India

Near Chidambaram

Other destinations close by.

Places with a climate like Chidambaram

Destinations whose weather through the year is closest to Chidambaram's – good alternatives.

  1. 85 % similar20ChennaiIndia33°29°Best time: Jan – Feb
  2. 70 % similar31JaffnaSri Lanka31°29°Best time: Jan – Mar
  3. 66 % similar27MachilipatnamIndia32°30°Best time: Dec – Feb
  4. 65 % similar61TrincomaleeSri Lanka33°29°Best time: Feb – Apr, Jun

Frequently asked questions about Chidambaram

When is the best time to visit Chidambaram?

The best time to visit Chidambaram is from January to March. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.

How warm is the sea in Chidambaram?

The sea temperature in Chidambaram ranges from 26.8 °C in January to 29.8 °C in April. At 20 °C and more, the sea is warm enough for swimming all year round.

Can you swim in Chidambaram in October?

Yes. In October the sea averages 29.2 °C – almost as warm as a bath.

What is the warmest month in Chidambaram?

May is the warmest month, with average highs of 38 °C and nights around 27 °C. December is the coolest month at 29 °C.

When does it rain most in Chidambaram?

The rainy season is from October to December; the wettest month is November with 347 mm. The driest month is February with 15 mm.

How many hours of sunshine does Chidambaram get?

Chidambaram gets around 2,320 hours of sunshine a year. The sunniest month is March with 8.2 hours a day; in November there are 4.4 hours a day.

What time zone is Chidambaram in?

Chidambaram is on UTC+5:30 all year.

How long is the flight from London to Chidambaram?

A nonstop flight from London to Chidambaram takes about 10 h 35 min, for a straight-line distance of about 8,340 km.

When is cyclone season in Chidambaram?

Chidambaram lies in an area that cyclones from the northern Indian Ocean can reach. The cyclone season runs from April to June and from October to December, with most storms in May and in November. A direct hit on any one place is rare, but if you travel then, keep an eye on weather warnings and book flexibly.

Which school holidays are best for Chidambaram?

Chidambaram has its best school-holiday weather during the Christmas holidays (score 81) and its weakest during the summer holidays (score 51). Holiday ratings (0–100): Easter holidays 77, May half-term 60, summer holidays 51, October half-term 59, Christmas holidays 81.