Sylhet Weather Year-Round — Best Time to Visit
Sylhet, Bangladesh has hot weather year-round. The best time to visit is December (score: 92/100). Annual average high: 28.5°C, total rainfall: 4515mm.
When is the best time to visit Sylhet?
92
December is the best month to visit Sylhet with a travel score of 92/100 (Excellent).
Expect highs of 24.9°C, 1 rain days, and 9.7 hours of daily sunshine.
View December weather details →Travel Score by Month
89
Jan
91
Feb
83
Mar
66
Apr
63
May
58
Jun
58
Jul
59
Aug
62
Sep
73
Oct
92
Nov
92
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Sylhet each month?
28.5°C
Avg High
20°C
Avg Low
4515mm
Annual Rain
How much rain does Sylhet get?
Sylhet receives 4515mm of rain annually. The wettest month is typically June with 901mm, while December is the driest.
What is the weather like each month in Sylhet?
January
89
24°C
Low: 12°C
2 rain days
Excellent
February
91
26°C
Low: 14°C
4 rain days
Excellent
March
83
29°C
Low: 18°C
10 rain days
Excellent
April
66
30°C
Low: 21°C
20 rain days
Good
May
63
30°C
Low: 23°C
26 rain days
Good
June
58
30°C
Low: 25°C
29 rain days
Mixed
July
58
30°C
Low: 25°C
30 rain days
Mixed
August
59
31°C
Low: 25°C
29 rain days
Mixed
September
62
31°C
Low: 25°C
26 rain days
Good
October
73
30°C
Low: 22°C
14 rain days
Good
November
92
28°C
Low: 18°C
2 rain days
Excellent
December
Best time to visit92
25°C
Low: 14°C
1 rain days
Excellent
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What cities are near Sylhet?
Data based on 1994–2024 averages · Last updated: 2024-12-31