Sylhet Weather
Sylhet weather today, the 14-day forecast, and average temperature, rain and what to wear for every month — compared against Hong Kong. Best months to visit: Jan, Feb, Mar, Nov and Dec.
Sylhet current weather
Sylhet now (local time 18:30)
28°C
Clear
- Feels like
- 34°
- Humidity
- 83%
- Wind
- 1 km/h
Next 7 days · what to wear
23° – 31°C
Rain likely on 5 of 7 days
👕 T-shirts, shorts and breathable fabrics; sunscreen and water; it's wet, so pack a compact umbrella.
Sylhet 14-day forecast
Today
10/4
🌦️
31°
24°
💧37%
Mon
10/5
🌦️
31°
24°
💧57%
Tue
10/6
🌦️
31°
24°
💧24%
Wed
10/7
⛈️
30°
25°
💧53%
Thu
10/8
⛈️
29°
23°
💧70%
Fri
10/9
🌦️
29°
23°
💧41%
Sat
10/10
🌦️
31°
24°
💧14%
Sun
10/11
⛅
31°
23°
💧2%
Mon
10/12
🌤️
32°
23°
💧2%
Tue
10/13
☁️
32°
24°
💧7%
Wed
10/14
☁️
32°
25°
💧16%
Thu
10/15
🌦️
31°
26°
💧27%
Fri
10/16
☁️
29°
25°
💧27%
Sat
10/17
☁️
32°
23°
💧24%
Best time to visit Sylhet
On temperature and rainfall, the most comfortable months in Sylhet are Jan, Feb, Mar, Nov and Dec. The hottest month is April (average high 32°C) and the coldest is January (average low 12°C).
Sylhet climate by month
| Month | Avg high | Avg low | Rain | Humidity | vs Hong Kong |
|---|---|---|---|---|---|
| JanBest | 23°C | 12°C | 11 mm | 72% | +1°C |
| FebBest | 26°C | 14°C | 34 mm | 66% | +3°C |
| MarBest | 31°C | 19°C | 98 mm | 60% | +5°C |
| Apr | 32°C | 23°C | 377 mm | 72% | +4°C |
| May | 32°C | 25°C | 540 mm | 81% | +2°C |
| Jun | 31°C | 26°C | 701 mm | 88% | 0°C |
| Jul | 31°C | 26°C | 693 mm | 89% | -1°C |
| Aug | 31°C | 26°C | 545 mm | 88% | 0°C |
| Sep | 31°C | 25°C | 432 mm | 87% | 0°C |
| Oct | 30°C | 23°C | 231 mm | 82% | 0°C |
| NovBest | 27°C | 18°C | 24 mm | 78% | 0°C |
| DecBest | 24°C | 14°C | 21 mm | 76% | +1°C |
Data: NASA POWER 2001–2020 climatology (MERRA-2, elevation-corrected); Hong Kong comparison uses HKO 1991–2020 normals.
Sylhet weather month by month: what to wear
Sylhet in OctoberThis month
October in Sylhet is warm to hot: average highs of 30°C and lows of 23°C, around 231 mm of rain (wet) and 82% humidity — about the same as Hong Kong.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water; it's wet, so pack a compact umbrella; humid, so quick-dry fabrics help.
Sylhet in NovemberBest month
November in Sylhet is warm to hot: average highs of 27°C and lows of 18°C, around 24 mm of rain (dry) and 78% humidity — about the same as Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves, plus a light layer for air-conditioned interiors; big day–night swing, so dress in layers.
Sylhet in DecemberBest month
December in Sylhet is pleasantly warm: average highs of 24°C and lows of 14°C, around 21 mm of rain (dry) and 76% humidity — about the same as Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings; big day–night swing, so dress in layers.
Sylhet in JanuaryBest month
January in Sylhet is pleasantly warm: average highs of 23°C and lows of 12°C, around 11 mm of rain (dry) and 72% humidity — about the same as Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings; big day–night swing, so dress in layers.
Sylhet in FebruaryBest month
February in Sylhet is warm to hot: average highs of 26°C and lows of 14°C, around 34 mm of rain (mostly dry) and 66% humidity — about 3°C warmer than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves, plus a light layer for air-conditioned interiors; big day–night swing, so dress in layers.
Sylhet in MarchBest month
March in Sylhet is warm to hot: average highs of 31°C and lows of 19°C, around 98 mm of rain (some rain) and 60% humidity — about 5°C warmer than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water; big day–night swing, so dress in layers.
Sylhet in April
April in Sylhet is hot: average highs of 32°C and lows of 23°C, around 377 mm of rain (very wet) and 72% humidity — about 4°C warmer than Hong Kong.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water; big day–night swing, so dress in layers; it's wet, so pack a compact umbrella.
Sylhet in May
May in Sylhet is hot: average highs of 32°C and lows of 25°C, around 540 mm of rain (very wet) and 81% humidity — about 2°C warmer than Hong Kong.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water; it's wet, so pack a compact umbrella; humid, so quick-dry fabrics help.
Sylhet in June
June in Sylhet is hot: average highs of 31°C and lows of 26°C, around 701 mm of rain (very wet) and 88% humidity — about the same as Hong Kong.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water; it's wet, so pack a compact umbrella; humid, so quick-dry fabrics help.
Sylhet in July
July in Sylhet is hot: average highs of 31°C and lows of 26°C, around 693 mm of rain (very wet) and 89% humidity — about the same as Hong Kong.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water; it's wet, so pack a compact umbrella; humid, so quick-dry fabrics help.
Sylhet in August
August in Sylhet is hot: average highs of 31°C and lows of 26°C, around 545 mm of rain (very wet) and 88% humidity — about the same as Hong Kong.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water; it's wet, so pack a compact umbrella; humid, so quick-dry fabrics help.
Sylhet in September
September in Sylhet is warm to hot: average highs of 31°C and lows of 25°C, around 432 mm of rain (very wet) and 87% humidity — about the same as Hong Kong.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water; it's wet, so pack a compact umbrella; humid, so quick-dry fabrics help.
FAQ
›What is the best time to visit Sylhet?
On temperature and rainfall, the most comfortable months in Sylhet are Jan, Feb, Mar, Nov and Dec. The hottest month is April (average high 32°C) and the coldest is January (average low 12°C).
›What's the weather like in Sylhet in October, and what should I wear?
October in Sylhet is warm to hot: average highs of 30°C and lows of 23°C, around 231 mm of rain (wet) and 82% humidity — about the same as Hong Kong. What to wear: T-shirts, shorts and breathable fabrics; sunscreen and water; it's wet, so pack a compact umbrella; humid, so quick-dry fabrics help.
›What's the weather like in Sylhet in November, and what should I wear?
November in Sylhet is warm to hot: average highs of 27°C and lows of 18°C, around 24 mm of rain (dry) and 78% humidity — about the same as Hong Kong. It's one of the most comfortable months of the year to visit. What to wear: Short sleeves, plus a light layer for air-conditioned interiors; big day–night swing, so dress in layers.
›When is the rainy season in Sylhet?
Sylhet is wettest in June, with about 701 mm on average, and driest in January, with about 11 mm.
›How cold does Sylhet get? Does it snow?
The coldest month is January, averaging 23°C by day and 12°C at night. Snow is very unlikely.
Planning a trip to Sylhet?
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Forecast data: Open-Meteo.com (CC BY 4.0), refreshed every 3 hours. Hottest month: April; coldest: January.