Average high
33.2°
Sirajganj weather in May
Pre-monsoon summer · 2020–2024 averages
May in Sirajganj is pre-monsoon summer: days average 33.2°C and nights 24.3°C, with about 268 mm of rain over 21 days and roughly 9.5 hours of sunshine a day. Around mid-month the sun rises at 5:19 AM and sets at 6:37 PM, a 13.3-hour day.
Average low
24.3°
Rainfall
268 mm
Rainy days
21
Sunshine / day
9.5 h
Days ≥ 35°C
7
Hottest day (2020–24)
40.9°
Coldest night (2020–24)
20.6°
Wettest single day
118 mm
Sunrise
5:19 AM
Sunset
6:37 PM
Day length
13.3 h
What to expect
- Warm days, with highs around 33.2°C.
- As wet as the monsoon: about 268 mm of rain over 21 days, often as heavy afternoon or overnight downpours.
- Roughly 9.5 hours of sunshine a day.
- Nor'westers (kalboishakhi) can bring sudden squalls, hail and lightning in the late afternoon.
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, Sirajganj ranks 17th of 64 districts for rainfall — roughly 12 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 18th, with highs 0.6° above 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 1.6° cooler than April, with roughly 196 mm more rain. June then turns similar and wetter.
What is the weather like in Sirajganj in May?
May in Sirajganj is pre-monsoon summer: days average 33.2°C and nights 24.3°C, with about 268 mm of rain over 21 days and roughly 9.5 hours of sunshine a day. Around mid-month the sun rises at 5:19 AM and sets at 6:37 PM, a 13.3-hour day.
Is May a good time to visit Sirajganj?
It is peak monsoon, with about 268 mm of rain. Good for haors, waterfalls and green landscapes; poor for beaches and hill trekking.
Does it rain in Sirajganj in May?
Yes — on about 21 days, around 268 mm in total; the wettest single day in 2020–24 brought 118 mm.
How hot is Sirajganj in May?
Average highs of 33.2°C and lows of 24.3°C; the hottest May day in 2020–24 reached 40.9°C, and about 7 days top 35°C.
Today's live forecast for Sirajganj →
Month by month
| Months | High / Low | Rainfall | Rainy days | Sunshine / day |
|---|---|---|---|---|
| January | 23.5° / 11.9° | 8 mm | 2 | 9.4 |
| February | 26.4° / 13.7° | 19 mm | 3 | 9.9 |
| March | 31.1° / 18.5° | 40 mm | 6 | 10.5 |
| April | 34.8° / 22.9° | 72 mm | 10 | 10.5 |
| May | 33.2° / 24.3° | 268 mm | 21 | 9.5 |
| June | 32.9° / 26.2° | 369 mm | 27 | 7.4 |
| July | 32.7° / 26.3° | 293 mm | 28 | 8.6 |
| August | 32.3° / 25.9° | 309 mm | 28 | 8.6 |
| September | 31.9° / 25.6° | 302 mm | 25 | 8.3 |
| October | 31.1° / 23.3° | 172 mm | 13 | 9.3 |
| November | 29.1° / 17.6° | 3 mm | 1 | 9.9 |
| December | 25.3° / 14.1° | 11 mm | 1 | 9.3 |
Sirajganj climate: the whole year · Bangladesh weather in May · Farming weather