January weather forecast
Sylhet, Bangladesh

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Weather in January

January enters with the end of the cool season, and clear skies dominate in Sylhet, Bangladesh. With up to 10.8 hours of daylight available, the inhabitants of Sylhet can take advantage of longer sunshine hours up to 7.6. The temperatures range from 12°C (53.6°F) at night to a mild 25.6°C (78.1°F) during the daytime, resulting in a welcoming respite from the high humidity that dominates the rest of the year. Rainfall is at its lowest in January, with precipitation of just 4mm (0.16") occurring over an average of 2.4 days. Compared to the following months, January promises a relatively dry and cooler climate.

Temperature

Welcoming January, Sylhet notes an average high-temperature of a still moderately hot 25.6°C (78.1°F), nearly consistent with December's 25.5°C (77.9°F). In stark contrast to the day's heat, the temperature in Sylhet dips to an average of 12°C (53.6°F) during January nights.

Humidity

In January, the average relative humidity is 66%.

Rainfall

January is the month with the least rainfall. Rain falls for 2.4 days and accumulates 4mm (0.16") of precipitation.

Daylight

The average length of the day in January is 10h and 47min.
On the first day of the month, sunrise is at 6:37 am and sunset at 5:14 pm. On the last day of January, in Sylhet, sunrise is at 6:35 am and sunset at 5:36 pm +06.

Sunshine

The average sunshine in January in Sylhet, Bangladesh, is 7.6h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The daily high UV index of 5 during January translates into the following recommendations:
Be vigilant - Preventing sunburn is recommended. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
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Frequently asked questions

What is the average January temperature in Sylhet?

The high-temperature, in January, in Sylhet, is 25.6°C (78.1°F), while the low-temperature averages to 12°C (53.6°F).

What is the average humidity in January in Sylhet?

In January, the average relative humidity in Sylhet, Bangladesh, is 66%.

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 January?

In Sylhet, in January, during 2.4 rainfall days, 4mm (0.16") of precipitation is typically accumulated.

How many hours of daylight does Sylhet have in January?

The average day length in January is 10h and 47min.

When are sunrise and sunset in January in Sylhet?

On the first day of January in Sylhet, sunrise is at 6:37 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 5:36 pm +06.

How long on average sun shines in January in Sylhet?

In January, the average sunshine duration in Sylhet, Bangladesh, is 7.6h.

When is the lowest UV index in Sylhet?

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

What is the UV index reading in January in Sylhet?

The average daily maximum UV index in January in Sylhet, Bangladesh, is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in January
Sylhet, Bangladesh

Average temperature in January - Sylhet, Bangladesh
  • Average high temperature in January: 25.6°C

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).

  • Average low temperature in January: 12°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 in January
Sylhet, Bangladesh

Average pressure in January - Sylhet, Bangladesh
  • Average pressure in January: 1014.9mbar

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 in January
Sylhet, Bangladesh

Average wind speed in January - Sylhet, Bangladesh
  • Average wind speed in January: 4.6km/h

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 humidity in January
Sylhet, Bangladesh

Average humidity in January - Sylhet, Bangladesh
  • Average humidity in January: 66%

The month with the highest relative humidity is July (89%).
The month with the lowest relative humidity is March (55%).

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Average rainfall in January
Sylhet, Bangladesh

Average rainfall in January - Sylhet, Bangladesh
  • Average rainfall in January: 4mm

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 in January
Sylhet, Bangladesh

Average rainfall days in January - Sylhet, Bangladesh
  • Average rainfall days in January: 2.4 days

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 in January /
Average sunshine in January
Sylhet, Bangladesh

Average daylight in January / Average sunshine in January - Sylhet, Bangladesh
  • Average daylight in January: 10h and 5min

The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 36min).

  • Average sunshine in January: 7h and 4min

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 in January
Sylhet, Bangladesh

Average sunshine days in January - Sylhet, Bangladesh
  • Average sunshine days in January: 27.6 days

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 in January
Sylhet, Bangladesh

Average UV index in January - Sylhet, Bangladesh
  • Average UV index in January: 5

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 cloud cover in January
Sylhet, Bangladesh

Average cloud cover in January - Sylhet, Bangladesh
  • Average cloud cover in January: 8

The month with the most cloud cover is July (Cloud cover 62).
The month with the least cloud cover is January (Cloud cover 8).

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Average visibility in January
Sylhet, Bangladesh

Average visibility in January - Sylhet, Bangladesh
  • Average visibility in January: 10km

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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Sylhet, Bangladesh

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