Climate averages 1991–2020
Shillong weather
in August.
A warm, very wet month: one of the warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a warm month in Shillong: daytime highs average 23.5°C and nights cool to about 18.9°C. By daytime temperature it is one of the warmest months of the year.
Expect about 558 mm of rain on roughly 31 days, which makes August a very wet month (the 10th 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 Guwahati (70 km away). In August its highs average 30.9°C, 7.4°C warmer than Shillong, with 610 mm of rain.
Among the 692 cities listed in India, Shillong ranks 687th of 692 for the warmest August highs and 680th of 692 for the driest August (rainfall, lowest first). The mean August high of those 692 cities is 30.2°C; Shillong is 6.8°C cooler than that mean.
From August to September, average highs fall by 0.5°C to 23.0°C, and monthly rainfall falls from 558 mm to 393 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
Shillong climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 15.7°C6.8°C | 6.8°C | 22 | 4.4 | 10.711 h |
| February | 17.6°C8.3°C | 8.3°C | 43 | 7.7 | 11.311 h |
| March | 20.6°C11.3°C | 11.3°C | 119 | 15.9 | 12.012 h |
| April | 22.0°C14.2°C | 14.2°C | 275 | 25.9 | 12.713 h |
| May | 22.8°C16.5°C | 16.5°C | 453 | 30.1 | 13.413 h |
| June | 23.5°C18.6°C | 18.6°C | 697 | 29.8 | 13.714 h |
| July | 23.5°C19.1°C | 19.1°C | 715 | 31.0 | 13.614 h |
| August, selected | 23.5°C18.9°C | 18.9°C | 558 | 30.9 | 13.013 h |
| September | 23.0°C18.0°C | 18.0°C | 393 | 28.8 | 12.312 h |
| October | 21.7°C15.3°C | 15.3°C | 224 | 20.2 | 11.612 h |
| November | 19.3°C11.5°C | 11.5°C | 47 | 6.6 | 10.911 h |
| December | 16.9°C8.5°C | 8.5°C | 16 | 2.6 | 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
- Guwahati in AugustIndia · 70 kmHigh 30.9°C · Low 25.5°C · 610 mm rain
- Sunāmganj in AugustBangladesh · 74 kmHigh 29.4°C · Low 24.6°C · 723 mm rain
- Sylhet in AugustBangladesh · 74 kmHigh 30.4°C · Low 25.1°C · 733 mm rain
- Nagaon in AugustIndia · 117 kmHigh 31.2°C · Low 25.7°C · 490 mm rain
- Silchar in AugustIndia · 124 kmHigh 30.3°C · Low 25.0°C · 390 mm rain
- Netrakona in AugustBangladesh · 139 kmHigh 31.0°C · Low 25.3°C · 422 mm rain
- Habiganj in AugustBangladesh · 140 kmHigh 31.0°C · Low 25.4°C · 341 mm rain
- Tezpur in AugustIndia · 150 kmHigh 30.5°C · Low 25.6°C · 433 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 Shillong) is explained once on the Shillong year overview and on the Sources, method and limits page.