Climate averages 1991–2020
Narayanganj weather
in August.
A hot, very wet month: the joint 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 Narayanganj: daytime highs average 30.5°C and nights cool to about 25.8°C. By daytime temperature it is the joint 5th warmest of the 12 months.
Expect about 274 mm of rain on roughly 29 days, which makes August a very wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 57 min on an average August day.
The nearest other city in this atlas is Sonārgaon (12 km away). In August its highs average 30.7°C, about as warm as Narayanganj, with 264 mm of rain.
Among the 63 cities listed in Bangladesh, Narayanganj ranks joint 44th of 63 for the warmest August highs and joint 13th of 63 for the driest August (rainfall, lowest first). The mean August high of those 63 cities is 30.7°C; Narayanganj is 0.2°C cooler than that mean.
From August to September, average highs stay level at 30.5°C, and monthly rainfall falls from 274 mm to 259 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
Narayanganj climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 24.1°C13.8°C | 13.8°C | 6.9 | 1.1 | 10.911 h |
| February | 27.3°C16.6°C | 16.6°C | 19 | 3.1 | 11.411 h |
| March | 31.5°C21.1°C | 21.1°C | 65 | 6.0 | 12.012 h |
| April | 32.4°C24.2°C | 24.2°C | 157 | 13.3 | 12.713 h |
| May | 31.9°C25.5°C | 25.5°C | 295 | 21.0 | 13.313 h |
| June | 31.0°C26.2°C | 26.2°C | 340 | 26.1 | 13.614 h |
| July | 30.3°C25.9°C | 25.9°C | 355 | 29.2 | 13.413 h |
| August, selected | 30.5°C25.8°C | 25.8°C | 274 | 28.8 | 13.013 h |
| September | 30.5°C25.4°C | 25.4°C | 259 | 24.9 | 12.312 h |
| October | 30.0°C23.7°C | 23.7°C | 138 | 14.8 | 11.612 h |
| November | 27.9°C19.5°C | 19.5°C | 27 | 2.3 | 11.011 h |
| December | 25.1°C15.5°C | 15.5°C | 9.9 | 1.0 | 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
- Sonārgaon in AugustBangladesh · 12 kmHigh 30.7°C · Low 25.7°C · 264 mm rain
- Dhaka in AugustBangladesh · 15 kmHigh 30.6°C · Low 25.7°C · 264 mm rain
- Kafrul in AugustBangladesh · 23 kmHigh 30.8°C · Low 25.7°C · 265 mm rain
- Tungi in AugustBangladesh · 33 kmHigh 30.9°C · Low 25.7°C · 274 mm rain
- Savar in AugustBangladesh · 37 kmHigh 30.8°C · Low 25.8°C · 265 mm rain
- Narsingdi in AugustBangladesh · 41 kmHigh 30.8°C · Low 25.6°C · 280 mm rain
- Gazipur in AugustBangladesh · 44 kmHigh 31.0°C · Low 25.6°C · 274 mm rain
- Chāndpur in AugustBangladesh · 46 kmHigh 30.1°C · Low 25.7°C · 281 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 Narayanganj) is explained once on the Narayanganj year overview and on the Sources, method and limits page.