AI-generatedTiruchirappalli at a glance
- Best time
- Dec – Jan
- Warmest month
- May · 38°
- Sunshine a year
- 2,230 h
- Rain a year
- 843 mm
- Climate
- Tropical
- Time zone
- UTC+5:30
- Elevation
- 79 m
Climate in Tiruchirappalli
Tiruchirappalli 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 2,230 hours of sunshine a year, Tiruchirappalli is sunny; March is the sunniest month with 7.9 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Poor
Best time to visit: December – January
October is in the cyclone season
Keep in mindFrequent rainStorm season
A typical day in October
- Morning, 08:00: about 27°
- Midday, 13:00: about 32°
- Afternoon, 16:00: about 31°
- Evening, 20:00: about 28°
- Night, 23:00: about 26°
06:0417:58
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 05:51–06:32 · evening 17:30–18:11
- Blue hour
- Morning 05:42–05:51 · evening 18:11–18:19
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.
What is the weather like in Tiruchirappalli in October?
In October, Tiruchirappalli is hot: daytime highs average 32 °C, and even at night it stays warm at around 24 °C. Expect around 5 hours of sunshine a day. It is the rainy season: rain falls on about 19 days, totalling 163 mm. On about 25 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, October is not an ideal month for a holiday in Tiruchirappalli.
More details for October
- Daylight
- 11 h 54 min06:04 – 17:58
- UV index
- 12 · extremeclear sky, noon (estimate)All months
- Muggy days
- 30 daysdew point 18 °C or moreAll months
- Wind
- 12 km/haverage daily peakAll months
- Cloud cover
- 76 %on averageAll months
- Hot days
- 25 days30 °C or moreAll months
- Time zone
- UTC+5:30Asia/Kolkata
How the score comes together
- Temperatureweight 50 %38 %
- Sunshineweight 20 %32 %
- Few rainy daysweight 30 %0 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Insect repellent
- Rain jacket or umbrella
Sunshine hours in Tiruchirappalli
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 4.9 of 11.9 hours of daylight in Tiruchirappalli, 41 % of the day.
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.
UV index in Tiruchirappalli
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 it, 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.
Rain in Tiruchirappalli: 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.
In October, Tiruchirappalli has about 19 rainy days with 163 mm of rain in total.
Wind and clouds in Tiruchirappalli
How breezy and how cloudy Tiruchirappalli 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.
In October, the wind in Tiruchirappalli typically peaks at 12 km/h during the day: Beaufort 3, light breeze.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 76 % of the sky over Tiruchirappalli: mostly cloudy, with about 4.9 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 and humidity in Tiruchirappalli
How often the day gets hot in Tiruchirappalli (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, Tiruchirappalli has about 25 hot days, with an average daytime high of 32 °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
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Tiruchirappalli
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 (10+ muggy days)
HotOctober: nights around 24°. Hot nights: air conditioning makes sleeping much easier. Muggy on about 30 days (dew point 18 °C or more).
The coolest nights are in January (20°), 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) on about 309 days a year, mostly all year round.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|
| JanuaryJan | 74 | 30° | 20° | 6.4 h | 3 | 17 |
| FebruaryFeb | 59 | 33° | 21° | 7.5 h | 2 | 11 |
| MarchMar | 46 | 36° | 23° | 7.9 h | 3 | 19 |
| AprilApr | 40 | 37° | 26° | 7.9 h | 7 | 40 |
| MayMay | 30 | 38° | 27° | 7.5 h | 11 | 61 |
| JuneJun | 28 | 36° | 26° | 6.1 h | 10 | 50 |
| JulyJul | 24 | 35° | 26° | 5.1 h | 10 | 43 |
| AugustAug | 21 | 35° | 25° | 5.3 h | 12 | 70 |
| SeptemberSep | 20 | 35° | 25° | 5.7 h | 14 | 91 |
| OctoberOct | 25 | 32° | 24° | 4.9 h | 19 | 163 |
| NovemberNov | 42 | 29° | 23° | 4.1 h | 17 | 194 |
| DecemberDec | 66 | 29° | 21° | 4.9 h | 9 | 85 |
Climate averages 1996–2025, 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
10.82° N, 78.70° E · 79 m · Asia/Kolkata
Best time to visit Tiruchirappalli
The best time to visit Tiruchirappalli is from December to January. From March to September it can get very hot, with highs of up to 38 °C. Rain is most frequent from August to November; the wettest month is November with 194 mm.
Tiruchirappalli through the seasons
How the weather changes over the seasons, with averages for each.
Tiruchirappalli in the dry season
Dec – Jul
Fair
- 29–38 °C by day
- 7 h of sun a day
- 55 rainy days in all
Tiruchirappalli in the rainy season
Aug – Nov
Poor
- 29–35 °C by day
- 5 h of sun a day
- 61 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Tiruchirappalli for you.
Your best months: December – January
Based on the climate averages; tap a month to see its details.
Compare two months in Tiruchirappalli
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
January has the better holiday weather in Tiruchirappalli: score 74 against 25. In January, days are 2 °C cooler than in October. January has 16 fewer rainy days. The sun shines 2 hours longer a day in January.
| Month | October | January |
|---|---|---|
| Weather score | 25 | 74better |
| Day high | 32° | 30° |
| Night low | 24° | 20° |
| Sunshine | 4.9 h | 6.4 hbetter |
| Rainy days | 19 | 3better |
| Rainfall | 163 mm | 17 mmbetter |
| Muggy days | 30 | 16better |
Based on the climate averages 1996–2025.
Which month for what?
Beach & swimming
No sea nearby
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
Aug – Nov
12 or more rainy days
Tiruchirappalli month by month
The typical weather for every month at a glance.
74January30° · 6 h
In January, Tiruchirappalli is hot: daytime highs average 30 °C, and even at night it stays warm at around 20 °C. Expect around 6 hours of sunshine a day. Rain is rare: about 3 days bring 17 mm in total. On about 13 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, January is a good month for a holiday in Tiruchirappalli.
Tiruchirappalli in January59February33° · 8 h
In February, Tiruchirappalli is hot: daytime highs average 33 °C, and even at night it stays warm at around 21 °C. The sun shines for around 8 hours a day. Rain is rare: about 2 days bring 11 mm in total. On about 26 days the thermometer climbs to 30 °C or more. All in all, February is a so-so month for a holiday in Tiruchirappalli.
Tiruchirappalli in February46March36° · 8 h
In March, Tiruchirappalli is very hot: daytime highs average 36 °C, and even at night it stays warm at around 23 °C. The sun shines for around 8 hours a day. Rain is rare: about 3 days bring 19 mm in total. On about 31 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, March is a so-so month for a holiday in Tiruchirappalli.
Tiruchirappalli in March40April37° · 8 h
In April, Tiruchirappalli is very hot: daytime highs average 37 °C, and even at night it stays warm at around 26 °C. The sun shines for around 8 hours a day. Rain falls on about 7 days, adding up to 40 mm. On about 30 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, April is a so-so month for a holiday in Tiruchirappalli.
Tiruchirappalli in April30May38° · 8 h
In May, Tiruchirappalli is very hot: daytime highs average 38 °C, and even at night it stays warm at around 27 °C. The sun shines for around 8 hours a day. Rain is frequent, with about 11 rainy days and 61 mm in total. On about 31 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, May is not an ideal month for a holiday in Tiruchirappalli.
Tiruchirappalli in May28June36° · 6 h
In June, Tiruchirappalli is very hot: daytime highs average 36 °C, and even at night it stays warm at around 26 °C. Expect around 6 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 50 mm in total. On about 30 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, June is not an ideal month for a holiday in Tiruchirappalli.
Tiruchirappalli in June24July35° · 5 h
In July, Tiruchirappalli is very hot: daytime highs average 35 °C, and even at night it stays warm at around 26 °C. Expect around 5 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 43 mm in total. On about 31 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, July is not an ideal month for a holiday in Tiruchirappalli.
Tiruchirappalli in July21August35° · 5 h
In August, Tiruchirappalli is very hot: daytime highs average 35 °C, and even at night it stays warm at around 25 °C. Expect around 5 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 70 mm in total. On about 30 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, August is not an ideal month for a holiday in Tiruchirappalli.
Tiruchirappalli in August20September35° · 6 h
In September, Tiruchirappalli is very hot: daytime highs average 35 °C, and even at night it stays warm at around 25 °C. Expect around 6 hours of sunshine a day. Rain is frequent, with about 14 rainy days and 91 mm in total. On about 29 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, September is not an ideal month for a holiday in Tiruchirappalli.
Tiruchirappalli in September25October32° · 5 h
In October, Tiruchirappalli is hot: daytime highs average 32 °C, and even at night it stays warm at around 24 °C. Expect around 5 hours of sunshine a day. It is the rainy season: rain falls on about 19 days, totalling 163 mm. On about 25 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, October is not an ideal month for a holiday in Tiruchirappalli.
Tiruchirappalli in October42November29° · 4 h
In November, Tiruchirappalli is hot: daytime highs average 29 °C, and even at night it stays warm at around 23 °C. Expect around 4 hours of sunshine a day. It is the rainy season: rain falls on about 17 days, totalling 194 mm. On about 12 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, November is a so-so month for a holiday in Tiruchirappalli.
Tiruchirappalli in November66December29° · 5 h
In December, Tiruchirappalli is hot: daytime highs average 29 °C, and even at night it stays warm at around 21 °C. Expect around 5 hours of sunshine a day. Rain is frequent, with about 9 rainy days and 85 mm in total. The air is often humid and muggy. All in all, December is a good month for a holiday in Tiruchirappalli.
Tiruchirappalli in DecemberTiruchirappalli compared
Put Tiruchirappalli side by side with another destination.
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Tiruchirappalli vs. Madurai
In October the holiday weather in Tiruchirappalli and Madurai is about equally good (score 25 vs. 25). During the day it is about as warm in Madurai as in Tiruchirappalli.
| in October | Tiruchirappalli | Madurai |
|---|---|---|
| Holiday score | 25 | 25 |
| Daytime high | 32° | 32° |
| Sunshine | 5 h | 5 h |
| Rainy days | 19 | 19 |
| Best time | Dec – Jan | Dec – Jan |
Through the year
India in October: the best places
In October, Tiruchirappalli ranks 30 among the 31 nearest destinations in this country.
- Kanniyakumari29°28°74
- 2Calangute30°29°71
- 3Rameswaram28°29°70
- 4Murdeshwar30°29°68
- 5Gokarna30°29°68
- 6Auroville30°29°67
- 7Mahabalipuram30°29°67
- 8Mahé28°29°66
- 30TiruchirappalliThis page32°25
Planning a trip to Tiruchirappalli
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Tiruchirappalli 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.
Tiruchirappalli has its best school-holiday weather during the Christmas holidays (score 70) and its weakest during the summer holidays (score 22).
- 42
Easter holidays
Mar – Apr
Fair
- 37 °C by day
- 7.9 h of sun a day
- 6 rainy days a month
Keep in mind: Peak heat, Storm season
- 30
May half-term
May – Jun
Poor
- 37 °C by day
- 7.2 h of sun a day
- 11 rainy days a month
Keep in mind: Peak heat, Storm season
- 22
Summer holidays
Jul – Aug
Poor
- 35 °C by day
- 5.2 h of sun a day
- 11 rainy days a month
Keep in mind: Peak heat, Frequent rain
- 25
October half-term
Oct
Poor
- 32 °C by day
- 4.9 h of sun a day
- 19 rainy days a month
Keep in mind: Frequent rain, Storm season
- 70
Christmas holidays
Dec – Jan
GoodBest holidays
- 29 °C by day
- 5.7 h of sun a day
- 6 rainy days a month
Keep in mind: Storm season
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 10 h 30 min
- Distance
- 8,320 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
Tiruchirappalli 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.
- January
- February
- March
- April: Season
- May: Peak
- June: Season
- July
- August
- September
- October: Season
- November: Peak
- December: Season
Official season dates of the regional warning centres (NOAA, JMA, IMD, Météo-France, BoM); not a forecast.
Frequently asked questions about Tiruchirappalli
When is the best time to visit Tiruchirappalli?
The best time to visit Tiruchirappalli is from December to January. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
What is the warmest month in Tiruchirappalli?
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 Tiruchirappalli?
Rain is most frequent from August to November; the wettest month is November with 194 mm. The driest month is February with 11 mm.
How many hours of sunshine does Tiruchirappalli get?
Tiruchirappalli gets around 2,230 hours of sunshine a year. The sunniest month is March with 7.9 hours a day; in November there are 4.1 hours a day.
What time zone is Tiruchirappalli in?
Tiruchirappalli uses the time zone Asia/Kolkata, at UTC+5:30 all year.
How long is the flight from London to Tiruchirappalli?
A nonstop flight from London to Tiruchirappalli takes about 10 h 30 min, for a straight-line distance of about 8,320 km.
When is cyclone season in Tiruchirappalli?
Tiruchirappalli 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 Tiruchirappalli?
Tiruchirappalli has its best school-holiday weather during the Christmas holidays (score 70) and its weakest during the summer holidays (score 22). Holiday ratings (0–100): Easter holidays 42, May half-term 30, Summer holidays 22, October half-term 25, Christmas holidays 70.
Near Tiruchirappalli
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Destinations whose weather through the year is closest to Tiruchirappalli's – good alternatives.