Climate averages 1991–2020
Sirajganj weather
in August.
A hot, very wet month: the 5th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Sirajganj: daytime highs average 30.9°C and nights cool to about 25.8°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 285 mm of rain on roughly 28 days, which makes August a very wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 59 min on an average August day.
The nearest other city in this atlas is Tangail (31 km away). In August its highs average 31.1°C, about as warm as Sirajganj, with 273 mm of rain.
Among the 63 cities listed in Bangladesh, Sirajganj ranks joint 30th of 63 for the warmest August highs and 32nd of 63 for the driest August (rainfall, lowest first). The mean August high of those 63 cities is 30.7°C; Sirajganj is 0.3°C warmer than that mean.
From August to September, average highs fall by 0.3°C to 30.6°C, and monthly rainfall falls from 285 mm to 252 mm.
The annual picture
August 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 | 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, selected | 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
August in nearby cities
- Tangail in AugustBangladesh · 31 kmHigh 31.1°C · Low 25.7°C · 273 mm rain
- Shāhzādpur in AugustBangladesh · 33 kmHigh 31.1°C · Low 25.9°C · 277 mm rain
- Sarishābāri in AugustBangladesh · 35 kmHigh 31.1°C · Low 25.7°C · 316 mm rain
- Nāgarpur in AugustBangladesh · 48 kmHigh 31.1°C · Low 25.8°C · 277 mm rain
- Bogra in AugustBangladesh · 55 kmHigh 31.3°C · Low 25.7°C · 290 mm rain
- Jamālpur, Bangladesh in AugustBangladesh · 57 kmHigh 31.2°C · Low 25.5°C · 327 mm rain
- Kaliakair in AugustBangladesh · 68 kmHigh 31.1°C · Low 25.6°C · 280 mm rain
- Pābna in AugustBangladesh · 69 kmHigh 30.9°C · Low 25.8°C · 273 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.