Climate averages 1991–2020
Arrah weather
in August.
A hot, very wet month: the 6th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Arrah: daytime highs average 31.7°C and nights cool to about 26.2°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 284 mm of rain on roughly 26 days, which makes August a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 02 min on an average August day.
The nearest other city in this atlas is Chāpra (26 km away). In August its highs average 31.6°C, about as warm as Arrah, with 275 mm of rain.
Among the 692 cities listed in India, Arrah ranks joint 154th of 692 for the warmest August highs and joint 509th of 692 for the driest August (rainfall, lowest first). The mean August high of those 692 cities is 30.2°C; Arrah is 1.4°C warmer than that mean.
From August to September, average highs fall by 0.7°C to 31.0°C, and monthly rainfall falls from 284 mm to 197 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
Arrah climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 22.0°C10.7°C | 10.7°C | 17 | 2.3 | 10.711 h |
| February | 25.9°C13.6°C | 13.6°C | 17 | 2.7 | 11.311 h |
| March | 32.3°C18.5°C | 18.5°C | 11 | 2.1 | 12.012 h |
| April | 37.5°C23.5°C | 23.5°C | 11 | 3.4 | 12.713 h |
| May | 38.3°C26.6°C | 26.6°C | 26 | 4.9 | 13.413 h |
| June | 36.1°C27.5°C | 27.5°C | 179 | 15.6 | 13.714 h |
| July | 32.1°C26.6°C | 26.6°C | 314 | 25.4 | 13.614 h |
| August, selected | 31.7°C26.2°C | 26.2°C | 284 | 26.1 | 13.013 h |
| September | 31.0°C25.3°C | 25.3°C | 197 | 20.3 | 12.312 h |
| October | 30.2°C21.7°C | 21.7°C | 47 | 5.6 | 11.612 h |
| November | 27.7°C16.5°C | 16.5°C | 5.7 | 0.6 | 10.911 h |
| December | 23.7°C12.2°C | 12.2°C | 7.0 | 0.8 | 10.611 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
- Chāpra in AugustIndia · 26 kmHigh 31.6°C · Low 26.2°C · 275 mm rain
- Dinapore in AugustIndia · 40 kmHigh 31.7°C · Low 26.2°C · 271 mm rain
- Patna in AugustIndia · 48 kmHigh 31.7°C · Low 26.3°C · 268 mm rain
- Jahānābād in AugustIndia · 50 kmHigh 31.8°C · Low 26.0°C · 273 mm rain
- Hājīpur in AugustIndia · 57 kmHigh 31.8°C · Low 26.3°C · 268 mm rain
- Buxar in AugustIndia · 69 kmHigh 31.7°C · Low 26.2°C · 290 mm rain
- Siwān in AugustIndia · 80 kmHigh 31.5°C · Low 26.0°C · 294 mm rain
- Madhurampur Dehri in AugustIndia · 80 kmHigh 31.5°C · Low 25.9°C · 274 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 Arrah) is explained once on the Arrah year overview and on the Sources, method and limits page.