Sylhet weather by month & the best time to visit
Bangladesh · regional city · humid subtropical climate
The best time to visit Sylhet is January — its sunniest month (Sunshine Score 90/100), with November and December close behind. Sylhet averages about 2,257 hours of sunshine a year. Daytime highs around 23°C / 73°F and roughly 11 mm of rain in January.
When is the best time to visit Sylhet?
For sunshine, the best time to visit Sylhet is January, then November and December. The dullest month is April (65/100, 377 mm of rain). The full month-by-month picture is in the table below.
How sunny is Sylhet?
Sylhet gets a moderate 2,257 hours of sunshine a year. January (90/100) is noticeably better than April (65). It ranks #3 of 8 destinations in Bangladesh for annual sunshine, above the national median of 2,212 hours. Rain has a clear season: the wettest stretch, around July, carries about 52% of the annual 3,707 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 90 | 23° / 73°F | 12° / 54°F | 11 mm | 5 |
| February | 86 | 26° / 79°F | 14° / 57°F | 34 mm | 6 |
| March | 74 | 31° / 88°F | 19° / 66°F | 98 mm | 7 |
| April | 65 | 32° / 90°F | 23° / 73°F | 377 mm | 8 |
| May | 65 | 32° / 90°F | 25° / 77°F | 540 mm | 7 |
| June | 65 | 31° / 88°F | 26° / 79°F | 701 mm | 7 |
| July | 65 | 31° / 88°F | 26° / 79°F | 693 mm | 8 |
| August | 65 | 31° / 88°F | 26° / 79°F | 545 mm | 8 |
| September | 65 | 31° / 88°F | 25° / 77°F | 432 mm | 8 |
| October | 65 | 30° / 86°F | 23° / 73°F | 231 mm | 7 |
| November | 88 | 27° / 81°F | 18° / 64°F | 24 mm | 6 |
| December | 88 | 24° / 75°F | 14° / 57°F | 21 mm | 5 |
Nearest destinations
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Head-to-head
How Sylhet compares month by month: Sylhet vs Dhaka · Sylhet vs Chattogram (Chittagong) · Sylhet vs Guwahati · Sylhet vs Imphal · all comparisons
Sylhet: questions and answers
What kind of destination is Sylhet?
Sylhet is a regional city in Bangladesh with a humid subtropical climate.
How many hours of sunshine does Sylhet get a year?
Sylhet gets about 2,257 hours of sunshine a year, at its best around January.
When is the best time to visit Sylhet?
The sunniest time to visit Sylhet is January, when the Sunshine Score peaks at 90/100 (with November and December close behind). Expect daytime highs around 23°C / 73°F.
What is the least sunny month in Sylhet?
April is the least sunny month in Sylhet, scoring 65/100 with about 377 mm of rain.
How strong is the sun in Sylhet?
The typical midday UV index in Sylhet peaks around 8 (very high) in April, easing to about 5 (moderate) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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