Average high
31.2°
Sunamganj weather in May
Pre-monsoon summer · 2020–2024 averages
May in Sunamganj is pre-monsoon summer: days average 31.2°C and nights 23.5°C, with about 462 mm of rain over 22 days and roughly 8.8 hours of sunshine a day. Around mid-month the sun rises at 5:11 AM and sets at 6:31 PM, a 13.3-hour day.
Average low
23.5°
Rainfall
462 mm
Rainy days
22
Sunshine / day
8.8 h
Days ≥ 35°C
2
Hottest day (2020–24)
37°
Coldest night (2020–24)
20.6°
Wettest single day
152 mm
Sunrise
5:11 AM
Sunset
6:31 PM
Day length
13.3 h
What to expect
- Warm days, with highs around 31.2°C.
- As wet as the monsoon: about 462 mm of rain over 22 days, often as heavy afternoon or overnight downpours.
- Roughly 8.8 hours of sunshine a day.
- Nor'westers (kalboishakhi) can bring sudden squalls, hail and lightning in the late afternoon.
- Flash floods from upstream hills can hit the haor basin in April and May, ahead of the Boro harvest.
What to pack
- an umbrella or raincoat and quick-drying footwear
- waterproof covers for phones and documents
Compared with the rest of Bangladesh
In May, Sunamganj ranks 2nd of 64 districts for rainfall — roughly 206 mm wetter than the national average; the wettest district this month is Sylhet (463 mm) and the driest Lakshmipur (177 mm). For heat it ranks 59th, with highs 1.4° below the national mean; Chapai Nawabganj is the hottest district in May (34.1°C) and Panchagarh has the coldest nights (22.5°C).
Compared with the months around it
May is about as warm as April, with roughly 288 mm more rain. June then turns similar and wetter.
What is the weather like in Sunamganj in May?
May in Sunamganj is pre-monsoon summer: days average 31.2°C and nights 23.5°C, with about 462 mm of rain over 22 days and roughly 8.8 hours of sunshine a day. Around mid-month the sun rises at 5:11 AM and sets at 6:31 PM, a 13.3-hour day.
Is May a good time to visit Sunamganj?
It is peak monsoon, with about 462 mm of rain. Good for haors, waterfalls and green landscapes; poor for beaches and hill trekking.
Does it rain in Sunamganj in May?
Yes — on about 22 days, around 462 mm in total; the wettest single day in 2020–24 brought 152 mm.
How hot is Sunamganj in May?
Average highs of 31.2°C and lows of 23.5°C; the hottest May day in 2020–24 reached 37°C, and about 2 days top 35°C.
Today's live forecast for Sunamganj →
Month by month
| Months | High / Low | Rainfall | Rainy days | Sunshine / day |
|---|---|---|---|---|
| January | 23.5° / 12.8° | 12 mm | 2 | 8.9 |
| February | 25.6° / 14° | 29 mm | 4 | 9.1 |
| March | 29.9° / 18° | 59 mm | 8 | 9.2 |
| April | 31.5° / 21.7° | 174 mm | 15 | 9.2 |
| May | 31.2° / 23.5° | 462 mm | 22 | 8.8 |
| June | 30.8° / 24.6° | 891 mm | 29 | 6 |
| July | 31.9° / 25.6° | 573 mm | 31 | 7.3 |
| August | 31.7° / 25.6° | 560 mm | 30 | 7.4 |
| September | 32.3° / 25.5° | 362 mm | 23 | 8.6 |
| October | 31.1° / 23.6° | 325 mm | 16 | 9 |
| November | 29.4° / 18.5° | 10 mm | 2 | 10.1 |
| December | 25.7° / 14.8° | 13 mm | 2 | 9.2 |
Places to visit in Sunamganj
Sunamganj climate: the whole year · Bangladesh weather in May · Farming weather