Climate averages 1991–2020
Guwahati weather
in August.
A hot, very wet month: the 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 Guwahati: daytime highs average 30.9°C and nights cool to about 25.5°C. By daytime temperature it is the warmest month of the year.
Expect about 610 mm of rain on roughly 30 days, which makes August a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 04 min on an average August day.
The nearest other city in this atlas is Shillong (70 km away). In August its highs average 23.5°C, 7.4°C cooler than Guwahati, with 558 mm of rain.
Among the 692 cities listed in India, Guwahati ranks joint 316th of 692 for the warmest August highs and 686th of 692 for the driest August (rainfall, lowest first). The mean August high of those 692 cities is 30.2°C; Guwahati is 0.6°C warmer than that mean.
From August to September, average highs fall by 0.6°C to 30.3°C, and monthly rainfall falls from 610 mm to 392 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
Guwahati climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 22.7°C12.5°C | 12.5°C | 11 | 2.6 | 10.711 h |
| February | 25.4°C14.5°C | 14.5°C | 23 | 4.6 | 11.311 h |
| March | 29.6°C18.3°C | 18.3°C | 60 | 8.3 | 12.012 h |
| April | 30.0°C21.1°C | 21.1°C | 163 | 18.8 | 12.813 h |
| May | 29.9°C23.1°C | 23.1°C | 317 | 27.0 | 13.413 h |
| June | 30.4°C25.0°C | 25.0°C | 530 | 28.7 | 13.714 h |
| July | 30.6°C25.6°C | 25.6°C | 671 | 30.2 | 13.614 h |
| August, selected | 30.9°C25.5°C | 25.5°C | 610 | 29.7 | 13.113 h |
| September | 30.3°C24.6°C | 24.6°C | 392 | 26.0 | 12.312 h |
| October | 29.0°C22.0°C | 22.0°C | 133 | 14.0 | 11.612 h |
| November | 26.7°C17.7°C | 17.7°C | 18 | 2.8 | 10.911 h |
| December | 24.0°C13.9°C | 13.9°C | 9.2 | 1.6 | 10.511 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
- Shillong in AugustIndia · 70 kmHigh 23.5°C · Low 18.9°C · 558 mm rain
- Nagaon in AugustIndia · 94 kmHigh 31.2°C · Low 25.7°C · 490 mm rain
- Tezpur in AugustIndia · 116 kmHigh 30.5°C · Low 25.6°C · 433 mm rain
- Sunāmganj in AugustBangladesh · 129 kmHigh 29.4°C · Low 24.6°C · 723 mm rain
- Sylhet in AugustBangladesh · 143 kmHigh 30.4°C · Low 25.1°C · 733 mm rain
- Tura in AugustIndia · 171 kmHigh 29.4°C · Low 24.4°C · 312 mm rain
- Netrakona in AugustBangladesh · 177 kmHigh 31.0°C · Low 25.3°C · 422 mm rain
- Silchar in AugustIndia · 184 kmHigh 30.3°C · Low 25.0°C · 390 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 Guwahati) is explained once on the Guwahati year overview and on the Sources, method and limits page.