Climate averages 1991–2020
Shillong weather
in May.
A warm, very wet month: the 5th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a warm month in Shillong: daytime highs average 22.8°C and nights cool to about 16.5°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 453 mm of rain on roughly 30 days, which makes May a very wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 23 min on an average May day.
The nearest other city in this atlas is Guwahati (70 km away). In May its highs average 29.9°C, 7.1°C warmer than Shillong, with 317 mm of rain.
Among the 692 cities listed in India, Shillong ranks 686th of 692 for the warmest May highs and 690th of 692 for the driest May (rainfall, lowest first). The mean May high of those 692 cities is 37.3°C; Shillong is 14.5°C cooler than that mean.
From May to June, average highs rise by 0.6°C to 23.5°C, and monthly rainfall rises from 453 mm to 697 mm.
The annual picture
May 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, selected | 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 | 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
May in nearby cities
- Guwahati in MayIndia · 70 kmHigh 29.9°C · Low 23.1°C · 317 mm rain
- Sunāmganj in MayBangladesh · 74 kmHigh 29.0°C · Low 22.5°C · 751 mm rain
- Sylhet in MayBangladesh · 74 kmHigh 29.8°C · Low 23.1°C · 759 mm rain
- Nagaon in MayIndia · 117 kmHigh 30.0°C · Low 23.1°C · 276 mm rain
- Silchar in MayIndia · 124 kmHigh 30.3°C · Low 23.3°C · 417 mm rain
- Netrakona in MayBangladesh · 139 kmHigh 30.6°C · Low 23.5°C · 528 mm rain
- Habiganj in MayBangladesh · 140 kmHigh 31.1°C · Low 23.9°C · 502 mm rain
- Tezpur in MayIndia · 150 kmHigh 29.0°C · Low 22.8°C · 385 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.