Climate and monthly weather forecast
Sylhet, Bangladesh

Weather in January

January, like December, in Sylhet, Bangladesh, is a moderately hot winter month, with an average temperature fluctuating between 12°C (53.6°F) and 25.6°C (78.1°F). In Sylhet, Bangladesh, the average high-temperature in January is relatively the same as in December - a still moderately hot 25.6°C (78.1°F). Weather in January »

Weather in February

The last month of the winter, February, is also a moderately hot month in Sylhet, Bangladesh, with temperature in the range of an average low of 14.2°C (57.6°F) and an average high of 29.3°C (84.7°F). In Sylhet, the average high-temperature in February slightly increases from 25.6°C (78.1°F) in January to a still warm 29.3°C (84.7°F). Weather in February »

Weather in March

March, the first month of the spring in Sylhet, is a tropical month, with an average temperature fluctuating between 33.1°C (91.6°F) and 18.4°C (65.1°F). In Sylhet, the average high-temperature in March marginally rises from a moderately hot 29.3°C (84.7°F) in February to a hot 33.1°C (91.6°F). Weather in March »

Weather in April

April, like March, is a hot spring month in Sylhet, Bangladesh, with an average temperature fluctuating between 34.4°C (93.9°F) and 22.8°C (73°F). With an average high-temperature of 34.4°C (93.9°F) and an average low-temperature of 22.8°C (73°F), April is the warmest month. The average heat index in April is appraised at a blazing hot 47°C (116.6°F). Weather in April »

Weather in May

The last month of the spring, May, is another tropical month in Sylhet, Bangladesh, with an average temperature fluctuating between 33.3°C (91.9°F) and 24.5°C (76.1°F). In Sylhet, the average high-temperature in May is relatively the same as in April - a still hot 33.3°C (91.9°F). Weather in May »

Weather in June

June, the first month of the summer in Sylhet, is also a hot month, with an average temperature fluctuating between 32.2°C (90°F) and 25.3°C (77.5°F). In June, the average high-temperature is almost the same as in May - a still hot 32.2°C (90°F). Weather in June »

Weather in July

July, the same as June, in Sylhet, Bangladesh, is another hot summer month, with an average temperature ranging between max 31.3°C (88.3°F) and min 24.9°C (76.8°F). In July, the average high-temperature is practically the same as in June - a still hot 31.3°C (88.3°F). Weather in July »

Weather in August

August, the last month of the summer in Sylhet, is another hot month, with temperature in the range of an average low of 24.9°C (76.8°F) and an average high of 31.6°C (88.9°F). In Sylhet, the average high-temperature in August is relatively the same as in July - a still tropical 31.6°C (88.9°F). Weather in August »

Weather in September

September, the first month of the autumn in Sylhet, is also a hot month, with an average temperature varying between 31.5°C (88.7°F) and 24.4°C (75.9°F). In September, the average high-temperature is almost the same as in August - a still hot 31.5°C (88.7°F). Weather in September »

Weather in October

October, the same as September, in Sylhet, Bangladesh, is another tropical autumn month, with an average temperature varying between 21.5°C (70.7°F) and 30.5°C (86.9°F). In October, the average high-temperature is practically the same as in September - a still tropical 30.5°C (86.9°F). Weather in October »

Weather in November

The last month of the autumn, November, is also a moderately hot month in Sylhet, Bangladesh, with temperature in the range of an average low of 16.7°C (62.1°F) and an average high of 28.3°C (82.9°F). In November, the average high-temperature is essentially the same as in October - a warm 28.3°C (82.9°F). Weather in November »

Weather in December

December, the first month of the winter in Sylhet, is also a moderately hot month, with temperature in the range of an average low of 13.5°C (56.3°F) and an average high of 25.5°C (77.9°F). With an average high-temperature of 25.5°C (77.9°F) and an average low-temperature of 13.5°C (56.3°F), December is the coldest month. Weather in December »
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FAQ

What is the driest month in Sylhet?

The month with the least rainfall is January, when the rain falls for 2.4 days and typically collects 4mm (0.16") of precipitation.

How much does it rain in Sylhet?

In Sylhet, Bangladesh, during the entire year, the rain falls for 208.1 days and collects up to 1868mm (73.54") of precipitation.

What is the month with the lowest UV index in Sylhet?

The months with the lowest UV index are January and December, with an average maximum UV index of 5.

What is the least humid month in Sylhet?

The least humid month is March, with an average relative humidity of 55%.

What is the warmest month in Sylhet?

With an average high-temperature of 34.4°C (93.9°F) and an average low-temperature of 22.8°C (73°F), April is the warmest month.

What month has the most sunshine in Sylhet?

The month with the most sunshine is April, with an average of 10.5h of sunshine.

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

The months with the highest UV index in Sylhet are April and September, with an average maximum UV index of 7.

What is the wettest month in Sylhet?

June is the month with the most rainfall in Sylhet, Bangladesh. Rain falls for 29.3 days and accumulates 353mm (13.9") of precipitation.

When are the longest days in Sylhet?

The month with the longest days in Sylhet, Bangladesh, is June, with an average of 13h and 40min of daylight.

What is the most humid month in Sylhet?

With an average relative humidity of 89%, July is the most humid month in Sylhet, Bangladesh.

What is the month with the least sunshine in Sylhet?

The month with the least sunshine in Sylhet is July, with an average of 6.9h of sunshine.

What is the coldest month in Sylhet?

December is the coldest month in Sylhet, Bangladesh, with an average high-temperature of 25.5°C (77.9°F) and an average low-temperature of 13.5°C (56.3°F).

What is the month with the shortest days in Sylhet?

December has the shortest days of the year in Sylhet, Bangladesh, with an average of 10h and 37min of daylight.

Is there Daylight Saving Time (DST) in Sylhet?

Sylhet, Bangladesh, does not observe Daylight Saving Time (DST). +06 timezone is used throughout the entire year.

Average temperature
Sylhet, Bangladesh

Average temperature - Sylhet, Bangladesh

The warmest month (with the highest average high temperature) is April (34.4°C).
The month with the lowest average high temperature is December (25.5°C).

The month with the highest average low temperature is June (25.3°C).
The coldest month (with the lowest average low temperature) is January (12°C).

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Average pressure
Sylhet, Bangladesh

Average pressure - Sylhet, Bangladesh

The month with the highest atmospheric pressure is January (1014.9mbar).
The month with the lowest atmospheric pressure is July (1002mbar).

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Average wind speed
Sylhet, Bangladesh

Average wind speed - Sylhet, Bangladesh

The windiest month (with the highest average wind speed) is July (7.7km/h).
The calmest months (with the lowest average wind speed) are November and December (4.3km/h).

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Average rainfall
Sylhet, Bangladesh

Average rainfall - Sylhet, Bangladesh

The wettest month (with the highest rainfall) is June (353mm).
The driest month (with the least rainfall) is January (4mm).

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Average rainfall days
Sylhet, Bangladesh

Average rainfall days - Sylhet, Bangladesh

The month with the highest number of rainy days is August (30.2 days).
The month with the least rainy days is January (2.4 days).

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Average daylight / Average sunshine
Sylhet, Bangladesh

Average daylight / Average sunshine - Sylhet, Bangladesh

The month with the longest days is June (Average daylight: 13h and 40min).
The month with the shortest days is December (Average daylight: 10h and 37min).

The month with the most sunshine is April (Average sunshine: 10h and 30min).
The month with the least sunshine is July (Average sunshine: 6h and 54min).

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Average sunshine days
Sylhet, Bangladesh

Average sunshine days - Sylhet, Bangladesh

The months with the most sunshine days are January and December (27.6 days).
The month with the least sunshine days is June (0.4 days).

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Average UV index
Sylhet, Bangladesh

Average UV index - Sylhet, Bangladesh

The months with the highest UV index are April and September (UV index 7).
The months with the lowest UV index are January and December (UV index 5).

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Average visibility
Sylhet, Bangladesh

Average visibility - Sylhet, Bangladesh

The months with the highest visibility are January, February, March and December (10km).
The months with the lowest visibility are July, August and September (7km).

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