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Sri Lanka

Bentota

Sun, sea & sand

Bentota at a glance

Best time
Jan – Apr
Warmest month
Mar · 30°
Warmest sea
Apr · 29.8°
Sunshine a year
2,290 h
Rain a year
2,795 mm
Climate
Tropical
Time zone
UTC+5:30
Elevation
8 m

Climate in Bentota

Bentota has a tropical climate: it is warm all year round, and the seasons differ mainly in how much rain falls. March is the warmest month with average highs of 30 °C, while August is the coolest at 28 °C. With around 2,290 hours of sunshine a year, Bentota is sunny; February is the sunniest month with 8.2 hours a day.

Your holiday weather, at a glance

Weather in October

67

Holiday weather in October

Good

Best time to visit: January – April

What is the weather like in Bentota in October?

In October, Bentota is hot: daytime highs average 28 °C, and even at night it stays warm at around 24 °C. The sea averages 28.3 °C – lovely and warm for swimming. Expect around 5 hours of sunshine a day. It is the rainy season: rain falls on about 28 days, totalling 367 mm. The air is often humid and muggy. All in all, October is a good month for a holiday in Bentota.

More details for October

Daylight
11 h 59 min05:56 – 17:55
UV index
13 · extremeclear sky, noon (estimate)
Muggy days
31 daysdew point 18 °C or more
Wind
14 km/haverage daily peak
Cloud cover
83 %on average
Hot days
0 days30 °C or more
Time zone
UTC+5:30Asia/Colombo

How the score comes together

  • Temperatureweight 35 %100 %
  • Seaweight 25 %100 %
  • Sunshineweight 20 %35 %
  • 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
  • Insect repellent
  • Rain jacket or umbrella
Swimming calendar

Sea temperature in Bentota

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

Sea in October28.3°Cwarm

8 in 10 years: 27.7 – 28.7 °C

Swimming season: All year

  • cold
  • fresh
  • refreshing
  • pleasant
  • warm
  • very warm
OctoberMean sea temperature 28.3°8 in 10 years 27.7° – 28.7°
20°
Mean sea temperature8 in 10 years20 °C – comfortable for swimming

The sea temperature in Bentota ranges from 27.7 °C in July to 29.8 °C in April. At 20 °C and more, the sea is warm enough for swimming all year round.

The sea warms up slowly: it is warmest in April, while the air already peaks in March. In May and in November the sea is even warmer than the afternoon air. The sea temperature varies from year to year: in April, eight out of ten years were between 29.1 and 30.4 °C.

Sea temperature by month
MonthAverageCool yearWarm yearFeels
JanuaryJan27.9°27.3°28.5°warm
FebruaryFeb28.3°27.7°28.9°warm
MarchMar29.2°28.5°29.5°very warm
AprilApr29.8°29.1°30.4°very warm
MayMay29.2°28.6°30.0°very warm
JuneJun28.4°27.8°29.1°warm
JulyJul27.7°27.1°28.4°warm
AugustAug27.7°27.0°28.3°warm
SeptemberSep27.9°27.5°28.3°warm
OctoberOct28.3°27.7°28.7°warm
NovemberNov28.6°28.0°29.1°warm
DecemberDec28.3°27.9°28.8°warm
Sunshine

Sunshine hours in Bentota

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

Per year
2,290 hours
Sunniest month
Feb · 8.2 h a day
Least sunshine
Nov · 5.0 h a day
OctoberSunshine 5.1 hDaylight 12.0 hShare of daylight 43 %
SunshineDaylight

In October, the sun shines for about 5.1 of 12.0 hours of daylight in Bentota, 43 % of the day.

Sunshine hours count the time with bright, direct sunshine (WMO definition, estimated from model data); daylight is the time from sunrise to sunset on the 15th of the month.

Rain

Rain in Bentota: 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
2,795 mm on 284 days
Wettest month
Nov · 384 mm
Driest month
Feb · 88 mm
OctoberRainy days 28Rainfall 367 mm

In October, Bentota has about 28 rainy days with 367 mm of rain in total.

Climate through the year

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

Best time to visit

Temperatures through the year

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

OctoberDay 28°Night 24°Sea 28°
DayNightSea
MonthScoreDayNightSeaSunRain daysRain mm
JanuaryJan8429°23°27.9°7.6 h12104
FebruaryFeb8730°24°28.3°8.2 h1188
MarchMar7830°25°29.2°8.2 h18116
AprilApr7330°25°29.8°6.9 h27212
MayMay6929°26°29.2°5.6 h30305
JuneJun6829°25°28.4°5.5 h29280
JulyJul6928°25°27.7°5.8 h29231
AugustAug7028°25°27.7°5.9 h29221
SeptemberSep6828°25°27.9°5.5 h28267
OctoberOct6728°24°28.3°5.1 h28367
NovemberNov6729°24°28.6°5.0 h24384
DecemberDec7029°24°28.3°6.1 h19220

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)

6.43° N, 80.00° E · 8 m · Asia/Colombo

Best time to visit

Best time to visit Bentota

The best time to visit Bentota is from January to April. For a beach holiday with the sea above 21 °C, go from January to February. Rain is most frequent from March to January; the wettest month is November with 384 mm.

Find your perfect month

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

Swimming in the sea
Sunshine
Little rain

Your best months: January – March

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

Which month for what?

Beach & swimming

Jan – Feb

Sea from 21 °C, warm and mostly dry

Sightseeing & hiking

No month

15–28 °C and not too much rain

Rainy months

Mar – Jan

12 or more rainy days

Bentota month by month

The typical weather for every month at a glance.

84January29° · Sea 28° · 8 h

In January, Bentota is hot: daytime highs average 29 °C, and even at night it stays warm at around 23 °C. The sea averages 27.9 °C – lovely and warm for swimming. The sun shines for around 8 hours a day. Rain is frequent, with about 12 rainy days and 104 mm in total. The air is often humid and muggy. All in all, January is an excellent month for a holiday in Bentota.

Bentota in January
87February30° · Sea 28° · 8 h

In February, Bentota is hot: daytime highs average 30 °C, and even at night it stays warm at around 24 °C. The sea averages 28.3 °C – lovely and warm for swimming. The sun shines for around 8 hours a day. Rain is frequent, with about 11 rainy days and 88 mm in total. On about 10 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 Bentota.

Bentota in February
78March30° · Sea 29° · 8 h

In March, Bentota is hot: daytime highs average 30 °C, and even at night it stays warm at around 25 °C. The sea averages 29.2 °C – almost as warm as a bath. The sun shines for around 8 hours a day. It is the rainy season: rain falls on about 18 days, totalling 116 mm. On about 16 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, March is a good month for a holiday in Bentota.

Bentota in March
73April30° · Sea 30° · 7 h

In April, Bentota is hot: daytime highs average 30 °C, and even at night it stays warm at around 25 °C. The sea averages 29.8 °C – almost as warm as a bath. The sun shines for around 7 hours a day. It is the rainy season: rain falls on about 27 days, totalling 212 mm. On about 14 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, April is a good month for a holiday in Bentota.

Bentota in April
69May29° · Sea 29° · 6 h

In May, Bentota is hot: daytime highs average 29 °C, and even at night it stays warm at around 26 °C. The sea averages 29.2 °C – almost as warm as a bath. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 30 days, totalling 305 mm. The air is often humid and muggy. All in all, May is a good month for a holiday in Bentota.

Bentota in May
68June29° · Sea 28° · 6 h

In June, Bentota is hot: daytime highs average 29 °C, and even at night it stays warm at around 25 °C. The sea averages 28.4 °C – lovely and warm for swimming. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 29 days, totalling 280 mm. The air is often humid and muggy. All in all, June is a good month for a holiday in Bentota.

Bentota in June
69July28° · Sea 28° · 6 h

In July, Bentota is hot: daytime highs average 28 °C, and even at night it stays warm at around 25 °C. The sea averages 27.7 °C – lovely and warm for swimming. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 29 days, totalling 231 mm. The air is often humid and muggy. All in all, July is a good month for a holiday in Bentota.

Bentota in July
70August28° · Sea 28° · 6 h

In August, Bentota is hot: daytime highs average 28 °C, and even at night it stays warm at around 25 °C. The sea averages 27.7 °C – lovely and warm for swimming. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 29 days, totalling 221 mm. The air is often humid and muggy. All in all, August is a good month for a holiday in Bentota.

Bentota in August
68September28° · Sea 28° · 6 h

In September, Bentota is hot: daytime highs average 28 °C, and even at night it stays warm at around 25 °C. The sea averages 27.9 °C – lovely and warm for swimming. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 28 days, totalling 267 mm. The air is often humid and muggy. All in all, September is a good month for a holiday in Bentota.

Bentota in September
67October28° · Sea 28° · 5 h

In October, Bentota is hot: daytime highs average 28 °C, and even at night it stays warm at around 24 °C. The sea averages 28.3 °C – lovely and warm for swimming. Expect around 5 hours of sunshine a day. It is the rainy season: rain falls on about 28 days, totalling 367 mm. The air is often humid and muggy. All in all, October is a good month for a holiday in Bentota.

Bentota in October
67November29° · Sea 29° · 5 h

In November, Bentota is hot: daytime highs average 29 °C, and even at night it stays warm at around 24 °C. The sea averages 28.6 °C – lovely and warm for swimming. Expect around 5 hours of sunshine a day. It is the rainy season: rain falls on about 24 days, totalling 384 mm. The air is often humid and muggy. All in all, November is a good month for a holiday in Bentota.

Bentota in November
70December29° · Sea 28° · 6 h

In December, Bentota is hot: daytime highs average 29 °C, and even at night it stays warm at around 24 °C. The sea averages 28.3 °C – lovely and warm for swimming. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 19 days, totalling 220 mm. The air is often humid and muggy. All in all, December is a good month for a holiday in Bentota.

Bentota in December

Planning a trip to Bentota

Getting there

Flying from

Nonstop flight
about 11 h 5 min
Distance
8,790 km
Time zone
UTC+5:30

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

Frequently asked questions about Bentota

When is the best time to visit Bentota?

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

How warm is the sea in Bentota?

The sea temperature in Bentota ranges from 27.7 °C in July 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 Bentota in October?

Yes. In October the sea averages 28.3 °C – lovely and warm for swimming.

What is the warmest month in Bentota?

March is the warmest month, with average highs of 30 °C and nights around 25 °C. August is the coolest month at 28 °C.

When does it rain most in Bentota?

Rain is most frequent from March to January; the wettest month is November with 384 mm. The driest month is February with 88 mm.

How many hours of sunshine does Bentota get?

Bentota gets around 2,290 hours of sunshine a year. The sunniest month is February with 8.2 hours a day; in November there are 5.0 hours a day.

What time zone is Bentota in?

Bentota uses the time zone Asia/Colombo, at UTC+5:30 all year.

How long is the flight from London to Bentota?

A nonstop flight from London to Bentota takes about 11 h 5 min, for a straight-line distance of about 8,790 km.

Near Bentota

Other destinations close by.