Monthly weather forecast and climate
Trincomalee, Sri Lanka

Weather in January

January, the same as December, is a moderately hot winter month in Trincomalee, Sri Lanka, with average temperature varying between 20°C (68°F) and 29.3°C (84.7°F). The coldest months are January and December, with an average high-temperature of 29.3°C (84.7°F). The average heat index in January is appraised at a sweltering 36.1°C (97°F). Weather in January »

Weather in February

The last month of the winter, February, is a tropical month in Trincomalee, Sri Lanka, with average temperature varying between 31.3°C (88.3°F) and 20°C (68°F). In February, the average high-temperature is relatively the same as in January - a hot 31.3°C (88.3°F). Weather in February »

Weather in March

The first month of the spring, March, is still a tropical month in Trincomalee, Sri Lanka, with average temperature ranging between max 33.8°C (92.8°F) and min 21.1°C (70°F). In March, the average high-temperature is essentially the same as in February - a still tropical 33.8°C (92.8°F). Weather in March »

Weather in April

April, like March, is another tropical spring month in Trincomalee, Sri Lanka, with average temperature ranging between max 34.9°C (94.8°F) and min 23.5°C (74.3°F). With an average high-temperature of 34.9°C (94.8°F) and an average low-temperature of 23.5°C (74.3°F), April is the warmest month. In April, the average heat index is calculated to a burning hot 51.7°C (125.1°F). Weather in April »

Weather in May

The last month of the spring, May, is another tropical month in Trincomalee, Sri Lanka, with average temperature ranging between max 34.2°C (93.6°F) and min 24.5°C (76.1°F). In Trincomalee, the average high-temperature is practically the same as in April - a still tropical 34.2°C (93.6°F). Weather in May »

Weather in June

The first month of the summer, June, is still a tropical month in Trincomalee, Sri Lanka, with average temperature fluctuating between 24.8°C (76.6°F) and 33.6°C (92.5°F). In Trincomalee, the average high-temperature is essentially the same as in May - a still tropical 33.6°C (92.5°F). Weather in June »

Weather in July

July, like June, is a hot summer month in Trincomalee, Sri Lanka, with average temperature varying between 33.5°C (92.3°F) and 24.5°C (76.1°F). In Trincomalee, the average high-temperature is almost the same as in June - a still hot 33.5°C (92.3°F). Weather in July »

Weather in August

August, the last month of the summer, in Trincomalee, is also a hot month, with average temperature fluctuating between 33.7°C (92.7°F) and 24.3°C (75.7°F). In August, the average high-temperature is relatively the same as in July - a still hot 33.7°C (92.7°F). Weather in August »

Weather in September

September, the first month of the autumn, in Trincomalee, is still a hot month, with temperature in the range of an average low of 24.1°C (75.4°F) and an average high of 33.9°C (93°F). In Trincomalee, the average high-temperature is almost the same as in August - a still tropical 33.9°C (93°F). Weather in September »

Weather in October

October, like September, is another tropical autumn month in Trincomalee, Sri Lanka, with temperature in the range of an average low of 23.2°C (73.8°F) and an average high of 32.7°C (90.9°F). In Trincomalee, the average high-temperature is relatively the same as in September - a still hot 32.7°C (90.9°F). Weather in October »

Weather in November

The last month of the autumn, November, is another hot month in Trincomalee, Sri Lanka, with average temperature ranging between min 22°C (71.6°F) and max 30.5°C (86.9°F). In November, the average high-temperature is almost the same as in October - a still hot 30.5°C (86.9°F). Weather in November »

Weather in December

The first month of the winter, December, is still a warm month in Trincomalee, Sri Lanka, with average temperature varying between 21.4°C (70.5°F) and 29.3°C (84.7°F). January and December, with an average high-temperature of 29.3°C (84.7°F), are the coldest months. The average heat index in December is calculated to a torrid 36.6°C (97.9°F). Weather in December »
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FAQ

What is the coldest month in Trincomalee?

The coldest months in Trincomalee, Sri Lanka, are January and December, with an average high-temperature of 29.3°C (84.7°F).

How many days does it rain in Trincomalee?

Throughout the year, in Trincomalee, Sri Lanka, there are 196.8 rainfall days, and 943mm (37.13") of precipitation is accumulated.

What month is the sea coldest in Trincomalee?

January is the month with the coldest seawater, with an average sea temperature of 27.1°C (80.8°F).

When is the lowest UV index in Trincomalee?

January, November and December, with an average maximum UV index of 6, are months with the lowest UV index in Trincomalee.

What is the month with the highest UV index in Trincomalee?

Months with the highest UV index in Trincomalee are February through October, with an average maximum UV index of 7.

What is the warmest month in Trincomalee?

The warmest month is April, with an average high-temperature of 34.9°C (94.8°F) and an average low-temperature of 23.5°C (74.3°F).

When is the sea warmest in Trincomalee?

The month with the warmest seawater in Trincomalee is May, with an average sea temperature of 30.2°C (86.4°F).

What are the least humid months in Trincomalee?

Months with the lowest humidity in Trincomalee, Sri Lanka, are June through September, with an average relative humidity of 67%.

What is the driest month in Trincomalee?

June is the month with the least rainfall in Trincomalee, Sri Lanka. Rain falls for 7.8 days and accumulates 15mm (0.59") of precipitation.

When are the longest days in Trincomalee?

June and July, with an average of 12.6h of daylight, are months with the longest days.

What month has the most sunshine in Trincomalee?

The month with the most sunshine is June, with an average of 11.3h of sunshine.

What is the rainiest month in Trincomalee?

The month with the most rainfall in Trincomalee is October when the rain falls for 22.6 days and typically aggregates up to 214mm (8.43") of precipitation.

What is the most humid month in Trincomalee?

With an average relative humidity of 84%, December is the most humid month in Trincomalee.

What is the month with the shortest days in Trincomalee?

The month with the shortest days is December, with an average of 11.6h of daylight.

What is the month with the least sunshine in Trincomalee?

December has the least sunshine of the year, with an average of 4.9h of sunshine.

Average temperature
Trincomalee, Sri Lanka

Average temperature - Trincomalee, Sri Lanka

The warmest month (with the highest average high temperature) is April (34.9°C).
Months with the lowest average high temperature are January and December (29.3°C).

The month with the highest average low temperature is June (24.8°C).
The coldest months (with the lowest average low temperature) are January and February (20°C).

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Average pressure
Trincomalee, Sri Lanka

Average pressure - Trincomalee, Sri Lanka

The month with the highest atmospheric pressure is January (1012mbar).
The month with the lowest atmospheric pressure is June (1007.5mbar).

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Average wind speed
Trincomalee, Sri Lanka

Average wind speed - Trincomalee, Sri Lanka

The windiest month (with the highest average wind speed) is June (23.8km/h).
The calmest month (with the lowest average wind speed) is April (7.1km/h).

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Average humidity
Trincomalee, Sri Lanka

Average humidity - Trincomalee, Sri Lanka

The month with the highest relative humidity is December (84%).
Months with the lowest relative humidity are June, July, August and September (67%).

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Average rainfall
Trincomalee, Sri Lanka

Average rainfall - Trincomalee, Sri Lanka

The wettest month (with the highest rainfall) is October (214mm).
The driest month (with the least rainfall) is June (15mm).

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Average rainfall days
Trincomalee, Sri Lanka

Average rainfall days - Trincomalee, Sri Lanka

The month with the highest number of rainy days is November (24.1 days).
The month with the least rainy days is June (7.8 days).

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Average sea temperature
Trincomalee, Sri Lanka

Average sea temperature - Trincomalee, Sri Lanka

The best month for swimming (with the highest average sea temperature) is May (30.2°C).
The coldest month (with the lowest average sea temperature) is January (27.1°C).

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Average daylight / Average sunshine
Trincomalee, Sri Lanka

Average daylight / Average sunshine - Trincomalee, Sri Lanka

Months with the longest days are June and July (Average daylight: 12.6h).
The month with the shortest days is December (Average daylight: 11.6h).

The month with the most sunshine is June (Average sunshine: 11.3h).
The month with the least sunshine is December (Average sunshine: 4.9h).

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Average sunshine days
Trincomalee, Sri Lanka

Average sunshine days - Trincomalee, Sri Lanka

The month with the most sunshine days is July (16 days).
The month with the least sunshine days is November (4.2 days).

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Average UV index
Trincomalee, Sri Lanka

Average UV index - Trincomalee, Sri Lanka

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

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Average visibility
Trincomalee, Sri Lanka

Average visibility - Trincomalee, Sri Lanka

Months with the highest visibility are May, June, July, August and September (10km).
Months with the lowest visibility are January and December (7km).

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