Bentota, Sri Lanka - Detailed climate information and monthly weather forecast

January is a hot winter month in Bentota, Sri Lanka, with temperature in the range of an average high of 30.3°C (86.5°F) and an average low of 23.4°C (74.1°F). In January, the average high-temperature is relatively the same as in December - a tropical 30.3°C (86.5°F). Weather in January »

February, the last month of the winter, in Bentota, is also a hot month, with temperature in the range of an average high of 30.9°C (87.6°F) and an average low of 23.5°C (74.3°F). In February, the average high-temperature is relatively the same as in January - a still tropical 30.9°C (87.6°F). Weather in February »

March, the first month of the spring, in Bentota, is still a tropical month, with temperature in the range of an average high of 31.3°C (88.3°F) and an average low of 25°C (77°F). The warmest months are March and April, with an average high-temperature of 31.3°C (88.3°F). In March, the average heat index is appraised at a scorching 40.8°C (105.4°F). Weather in March »

April, the same as March, in Bentota, Sri Lanka, is a hot spring month, with average temperature varying between 26°C (78.8°F) and 31.3°C (88.3°F). The warmest months are March and April, with an average high-temperature of 31.3°C (88.3°F). The average heat index in April is estimated at a scorching 41.2°C (106.2°F). Weather in April »

May, the last month of the spring, in Bentota, is another hot month, with average temperature ranging between min 26.3°C (79.3°F) and max 30.2°C (86.4°F). In May, the average high-temperature is relatively the same as in April - a still tropical 30.2°C (86.4°F). Weather in May »

June, the first month of the summer, in Bentota, is still a warm month, with average temperature fluctuating between 26.1°C (79°F) and 29.2°C (84.6°F). In Bentota, the average high-temperature in June is relatively the same as in May - a warm 29.2°C (84.6°F). Weather in June »

July, the same as June, is a moderately hot summer month in Bentota, Sri Lanka, with temperature in the range of an average low of 25.6°C (78.1°F) and an average high of 28.7°C (83.7°F). In July, the average high-temperature is almost the same as in June - a still warm 28.7°C (83.7°F). Weather in July »

The last month of the summer, August, is also a moderately hot month in Bentota, Sri Lanka, with average temperature fluctuating between 25.5°C (77.9°F) and 28.6°C (83.5°F). August is the coldest month, with an average high-temperature of 28.6°C (83.5°F) and an average low-temperature of 25.5°C (77.9°F). The average heat index in August is estimated at a hot 34.2°C (93.6°F). Weather in August »

September, the first month of the autumn, in Bentota, is still a warm month, with temperature in the range of an average high of 28.8°C (83.8°F) and an average low of 25.2°C (77.4°F). In September, the average high-temperature is essentially the same as in August - a still warm 28.8°C (83.8°F). Weather in September »

October, like September, in Bentota, Sri Lanka, is a moderately hot autumn month, with average temperature ranging between max 29.6°C (85.3°F) and min 25.5°C (77.9°F). In October, the average high-temperature is relatively the same as in September - a still warm 29.6°C (85.3°F). Weather in October »

November, the last month of the autumn, in Bentota, is also a moderately hot month, with average temperature fluctuating between 29.8°C (85.6°F) and 24.8°C (76.6°F). In Bentota, the average high-temperature is practically the same as in October - a still moderately hot 29.8°C (85.6°F). Weather in November »

December, the first month of the winter, in Bentota, is also a moderately hot month, with average temperature varying between 24.4°C (75.9°F) and 29.7°C (85.5°F). In December, the average high-temperature is practically the same as in November - a still warm 29.7°C (85.5°F). Weather in December »

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What are the least humid months in Bentota?

January and February, with an average relative humidity of 75%, are the least humid months in Bentota.

How much does it rain in Bentota?

In Bentota, Sri Lanka, during the entire year, the rain falls for 273.8 days and collects up to 2059mm (81.06") of precipitation.

What is the driest month in Bentota?

The month with the least rainfall in Bentota is January when the rain falls for 8.9 days and typically collects 25mm (0.98") of precipitation.

What is the month with the shortest days in Bentota?

Months with the shortest days are January, November and December, with an average of 11.8h of daylight.

What month has the most sunshine in Bentota?

The month with the most sunshine in Bentota, Sri Lanka, is January, with an average of 9.2h of sunshine.

What are the months with the highest UV index in Bentota?

January through April, July, September through December, with an average maximum UV index of 7, are months with the highest UV index.

What are the warmest months in Bentota?

March and April, with an average high-temperature of 31.3°C (88.3°F), are warmest months.

What month is the sea warmest in Bentota?

The month with the warmest seawater in Bentota, Sri Lanka, is April, with an average sea temperature of 29.6°C (85.3°F).

When is the lowest UV index in Bentota?

Months with the lowest UV index in Bentota are May, June and August, with an average maximum UV index of 6.

What is the most humid month in Bentota?

June through August, with an average relative humidity of 83%, are most humid months in Bentota.

What is the rainiest month in Bentota?

The month with the most rainfall in Bentota, Sri Lanka, is June when the rain falls for 29.2 days and typically aggregates up to 350mm (13.78") of precipitation.

When are the longest days in Bentota?

June and July, with an average of 12.5h of daylight, are months with the longest days.

What month is the sea coldest in Bentota?

With an average sea temperature of 27.3°C (81.1°F), July is the month with the coldest seawater.

What is the coldest month in Bentota?

With an average high-temperature of 28.6°C (83.5°F) and an average low-temperature of 25.5°C (77.9°F), August is the coldest month in Bentota.

What is the month with the least sunshine in Bentota?

November has the least sunshine of the year, with an average of 6.8h of sunshine.

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Long-term

Climate J F M A M J J A S O N D Year

Average temperature - Bentota, Sri Lanka

Average high temperature in January:
30.3°C
Average high temperature in February:
30.9°C
Average high temperature in March:
31.3°C
Average high temperature in April:
31.3°C
Average high temperature in May:
30.2°C
Average high temperature in June:
29.2°C

Average high temperature in July:
28.7°C
Average high temperature in August:
28.6°C
Average high temperature in September:
28.8°C
Average high temperature in October:
29.6°C
Average high temperature in November:
29.8°C
Average high temperature in December:
29.7°C

The warmest months (with the highest average high temperature) are March and April (31.3°C).
The month with the lowest average high temperature is August (28.6°C).

Average low temperature in January:
23.4°C
Average low temperature in February:
23.5°C
Average low temperature in March:
25°C
Average low temperature in April:
26°C
Average low temperature in May:
26.3°C
Average low temperature in June:
26.1°C

Average low temperature in July:
25.6°C
Average low temperature in August:
25.5°C
Average low temperature in September:
25.2°C
Average low temperature in October:
25.5°C
Average low temperature in November:
24.8°C
Average low temperature in December:
24.4°C

The month with the highest average low temperature is May (26.3°C).
The coldest month (with the lowest average low temperature) is January (23.4°C).

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Months with the highest relative humidity are June, July and August (83%).
Months with the lowest relative humidity are January and February (75%).

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The wettest month (with the highest rainfall) is June (350mm).
The driest month (with the least rainfall) is January (25mm).

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Average rainfall days - Bentota, Sri Lanka

Average rainfall days in January:
8.9 days
Average rainfall days in February:
11.5 days
Average rainfall days in March:
19.9 days
Average rainfall days in April:
25.8 days
Average rainfall days in May:
28 days
Average rainfall days in June:
29.2 days

Average rainfall days in July:
29.5 days
Average rainfall days in August:
29.5 days
Average rainfall days in September:
26.3 days
Average rainfall days in October:
25.2 days
Average rainfall days in November:
23.5 days
Average rainfall days in December:
16.5 days

Months with the highest number of rainy days are July and August (29.5 days).
The month with the least rainy days is January (8.9 days).

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Average sea temperature - Bentota, Sri Lanka

Average sea temperature in January:
27.9°C
Average sea temperature in February:
28.4°C
Average sea temperature in March:
29.1°C
Average sea temperature in April:
29.6°C
Average sea temperature in May:
29.1°C
Average sea temperature in June:
28.2°C

Average sea temperature in July:
27.3°C
Average sea temperature in August:
27.4°C
Average sea temperature in September:
27.8°C
Average sea temperature in October:
28.7°C
Average sea temperature in November:
28.8°C
Average sea temperature in December:
28.1°C

The best month for swimming (with the highest average sea temperature) is April (29.6°C).
The coldest month (with the lowest average sea temperature) is July (27.3°C).

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Average daylight / Average sunshine - Bentota, Sri Lanka

Months with the longest days are June and July (Average daylight: 12.5h).
Months with the shortest days are January, November and December (Average daylight: 11.8h).

The month with the most sunshine is January (Average sunshine: 9.2h).
The month with the least sunshine is November (Average sunshine: 6.8h).

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Months with the highest UV index are January, February, March, April, July, September, October, November and December (UV index 7).
Months with the lowest UV index are May, June and August (UV index 6).

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Monthly weather forecast and climate
Bentota, Sri Lanka

Contents

Weather in January

Weather in February

Weather in March

Weather in April

Weather in May

Weather in June

Weather in July

Weather in August

Weather in September

Weather in October

Weather in November

Weather in December

FAQ