Average high
23.7°
Sylhet weather in January
Winter · 2020–2024 averages
January in Sylhet is winter: days average 23.7°C and nights 12°C, with about 19 mm of rain over 3 days and roughly 9.2 hours of sunshine a day. Around mid-month the sun rises at 6:38 AM and sets at 5:23 PM, a 10.7-hour day.
Average low
12°
Rainfall
19 mm
Rainy days
3
Sunshine / day
9.2 h
Nights ≤ 10°C
4
Hottest day (2020–24)
29°
Coldest night (2020–24)
7.8°
Wettest single day
20 mm
Sunrise
6:38 AM
Sunset
5:23 PM
Day length
10.7 h
What to expect
- Pleasant days: highs around 23.7°C.
- Cool, comfortable nights around 12°C.
- Mostly dry: only about 19 mm of rain across 3 days.
- Roughly 9.2 hours of sunshine a day.
- Dense morning fog is common; road, river and air travel often run late until mid-morning.
What to pack
- a light layer for early mornings
Compared with the rest of Bangladesh
In January, Sylhet ranks 1st of 64 districts for rainfall — about the national average; the wettest district this month is Sylhet (19 mm) and the driest Dinajpur (4 mm). For heat it ranks 34th, with highs about the same as the national mean; Bandarban is the hottest district in January (25.9°C) and Panchagarh has the coldest nights (10.6°C).
Compared with the months around it
January is about 1.8° cooler than December, with similar rainfall. February then turns hotter and wetter.
What is the weather like in Sylhet in January?
January in Sylhet is winter: days average 23.7°C and nights 12°C, with about 19 mm of rain over 3 days and roughly 9.2 hours of sunshine a day. Around mid-month the sun rises at 6:38 AM and sets at 5:23 PM, a 10.7-hour day.
Is January a good time to visit Sylhet?
Yes — one of the best months: dry and comfortable (average 23.7°/12°C, only about 19 mm of rain).
Does it rain in Sylhet in January?
Very little — Sylhet averages 3 days of light rain in January, about 19 mm in total.
How cold is Sylhet in January?
Average lows of 12°C and highs of 23.7°C; the coldest January night in 2020–24 was 7.8°C, and about 4 nights drop to 10°C or below. Cold by Bangladeshi standards, but a light jacket is enough.
Today's live forecast for Sylhet →
Month by month
| Months | High / Low | Rainfall | Rainy days | Sunshine / day |
|---|---|---|---|---|
| January | 23.7° / 12° | 19 mm | 3 | 9.2 |
| February | 26.3° / 13.6° | 34 mm | 4 | 9.2 |
| March | 30.1° / 17.6° | 111 mm | 9 | 8.7 |
| April | 31.2° / 20.9° | 266 mm | 17 | 9.1 |
| May | 31.1° / 23.1° | 463 mm | 22 | 9 |
| June | 30.6° / 24.5° | 854 mm | 29 | 6.7 |
| July | 31.7° / 25.4° | 606 mm | 31 | 7.7 |
| August | 31.4° / 25.3° | 611 mm | 29 | 7.5 |
| September | 32.1° / 25.2° | 336 mm | 23 | 9.2 |
| October | 30.8° / 23.2° | 300 mm | 16 | 9.1 |
| November | 29.2° / 17.7° | 19 mm | 3 | 10.3 |
| December | 25.5° / 14° | 27 mm | 3 | 9.3 |
Places to visit in Sylhet
Sylhet climate: the whole year · Bangladesh weather in January · Farming weather