Bangladesh weather in August
Monsoon · 2020–2024 averages
August in Bangladesh is monsoon: days average 31.3°C and nights 25.8°C, with about 383 mm of rain over 28 days and roughly 7.8 hours of sunshine a day. Around mid-month the sun rises at 5:34 AM and sets at 6:33 PM, a 13-hour day.
What to expect
- Warm days, with highs around 31.3°C.
- This is monsoon: about 383 mm of rain over 28 days, often as heavy afternoon or overnight downpours.
- Roughly 7.8 hours of sunshine a day.
What to pack
- an umbrella or raincoat and quick-drying footwear
- waterproof covers for phones and documents
Compared with the months around it
August is about as warm as July, with roughly 39 mm more rain. September then turns similar and drier.
August across the divisions
| Division | High / Low | Rainfall | Rainy days |
|---|---|---|---|
| Chattogram | 28.8° / 27.1° | 627 mm | 29 |
| Khulna | 31.3° / 25.9° | 392 mm | 29 |
| Rajshahi | 32.2° / 26.1° | 286 mm | 28 |
| Rangpur | 31.7° / 25.7° | 346 mm | 28 |
| Sylhet | 31.7° / 25.4° | 416 mm | 29 |
| Barishal | 30.4° / 26.1° | 448 mm | 29 |
| Dhaka | 31.6° / 25.9° | 295 mm | 28 |
| Mymensingh | 32° / 25.7° | 335 mm | 28 |
Where August is wettest, driest, hottest and coldest
The wettest district in August is Cox's Bazar (675 mm) and the driest Rajshahi (276 mm); Chapai Nawabganj is the hottest (average highs of 32.3°C) and Bandarban has the coldest nights (23.6°C).
What is the weather like in Bangladesh in August?
August in Bangladesh is monsoon: days average 31.3°C and nights 25.8°C, with about 383 mm of rain over 28 days and roughly 7.8 hours of sunshine a day. Around mid-month the sun rises at 5:34 AM and sets at 6:33 PM, a 13-hour day.
Is August a good time to visit Bangladesh?
It is peak monsoon, with about 383 mm of rain. Good for haors, waterfalls and green landscapes; poor for beaches and hill trekking.
Does it rain in Bangladesh in August?
Yes — on about 28 days, around 383 mm in total; the wettest single day in 2020–24 brought 232 mm (Pirojpur).
How hot is Bangladesh in August?
Average highs of 31.3°C and lows of 25.8°C; the hottest August day in 2020–24 reached 38.1°C.
Month by month
| Months | High / Low | Rainfall | Rainy days | Sunshine / day |
|---|---|---|---|---|
| January | 23.7° / 12.9° | 11 mm | 2 | 9.3 |
| February | 26.7° / 14.7° | 16 mm | 2 | 9.9 |
| March | 31.5° / 19.5° | 40 mm | 6 | 10.3 |
| April | 34.2° / 23.4° | 83 mm | 9 | 10.5 |
| May | 32.6° / 24.7° | 256 mm | 19 | 9.6 |
| June | 31.8° / 26° | 416 mm | 27 | 7.4 |
| July | 31.7° / 26.1° | 344 mm | 28 | 8.4 |
| August | 31.3° / 25.8° | 383 mm | 28 | 7.8 |
| September | 31.4° / 25.6° | 324 mm | 25 | 8.4 |
| October | 30.8° / 23.7° | 213 mm | 16 | 9.2 |
| November | 28.8° / 18.5° | 21 mm | 2 | 10 |
| December | 25.3° / 14.9° | 24 mm | 1 | 9.3 |