Climate averages 1991–2020
Sirajganj weather
in May.
A hot, very wet month: the 2nd warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Sirajganj: daytime highs average 31.8°C and nights cool to about 24.6°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 339 mm of rain on roughly 23 days, which makes May a very wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 19 min on an average May day.
The nearest other city in this atlas is Tangail (31 km away). In May its highs average 32.1°C, about as warm as Sirajganj, with 330 mm of rain.
Among the 63 cities listed in Bangladesh, Sirajganj ranks joint 36th of 63 for the warmest May highs and 45th of 63 for the driest May (rainfall, lowest first). The mean May high of those 63 cities is 32.0°C; Sirajganj is 0.2°C cooler than that mean.
From May to June, average highs fall by 0.4°C to 31.4°C, and monthly rainfall rises from 339 mm to 389 mm.
The annual picture
May in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Sirajganj climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 23.4°C12.9°C | 12.9°C | 9.2 | 1.5 | 10.811 h |
| February | 26.7°C15.5°C | 15.5°C | 20 | 2.7 | 11.311 h |
| March | 31.0°C19.7°C | 19.7°C | 48 | 5.5 | 12.012 h |
| April | 32.3°C23.0°C | 23.0°C | 153 | 14.6 | 12.713 h |
| May, selected | 31.8°C24.6°C | 24.6°C | 339 | 22.7 | 13.313 h |
| June | 31.4°C25.8°C | 25.8°C | 389 | 26.3 | 13.614 h |
| July | 30.8°C25.8°C | 25.8°C | 340 | 28.0 | 13.513 h |
| August | 30.9°C25.8°C | 25.8°C | 285 | 27.9 | 13.013 h |
| September | 30.6°C25.2°C | 25.2°C | 252 | 24.5 | 12.312 h |
| October | 29.8°C23.0°C | 23.0°C | 139 | 12.4 | 11.612 h |
| November | 27.6°C18.5°C | 18.5°C | 18 | 1.2 | 11.011 h |
| December | 24.6°C14.6°C | 14.6°C | 8.1 | 0.8 | 10.711 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
May in nearby cities
- Tangail in MayBangladesh · 31 kmHigh 32.1°C · Low 24.8°C · 330 mm rain
- Shāhzādpur in MayBangladesh · 33 kmHigh 32.4°C · Low 25.0°C · 294 mm rain
- Sarishābāri in MayBangladesh · 35 kmHigh 31.5°C · Low 24.1°C · 365 mm rain
- Nāgarpur in MayBangladesh · 48 kmHigh 32.2°C · Low 24.9°C · 315 mm rain
- Bogra in MayBangladesh · 55 kmHigh 32.0°C · Low 24.1°C · 310 mm rain
- Jamālpur, Bangladesh in MayBangladesh · 57 kmHigh 31.3°C · Low 23.9°C · 412 mm rain
- Kaliakair in MayBangladesh · 68 kmHigh 32.1°C · Low 24.7°C · 335 mm rain
- Pābna in MayBangladesh · 69 kmHigh 33.1°C · Low 25.3°C · 260 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Sirajganj) is explained once on the Sirajganj year overview and on the Sources, method and limits page.