Climate Insights for Shillong

The climate in Shillong is warm and mild. The average annual temperature is 19°C and approximately 3720mm of precipitation falls per year. Shillong receives a notable amount of rainfall throughout the year, including during its driest month. Shillong is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, June, July. The coldest months are January, December, February, when temperatures can drop to 7°C.

Shillong sees moderate temperature variation throughout the year, ranging from 7°C to 27°C. The warmest month is August, when average highs reach 27°C and the mean temperature sits around 24°C. January is the coolest month, with minimum temperatures around 7°C and an average of 12°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between October and November, with a 4°C shift in average temperatures.

Shillong is a very wet location, receiving approximately 3720mm of precipitation annually, which averages out to around 310mm per month. The wettest month is July, averaging 760mm of rainfall. June and August also tend to see above-average precipitation. The driest month is December, with just 31mm. That's 729mm less than July, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Shillong is relatively calm, with an average annual wind speed of 1km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 1km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 0km/h between the calmest and windiest months.

It is currently summer in Shillong, which began on June 21, 2026. Shillong is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 27°C, while the coldest stretch bottoms out in January near 7°C. Autumn is next, beginning on September 23, 2026 — 85 days from now.

The best time to visit Shillong is during November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 41mm per month. By contrast, August can be uncomfortably hot with highs reaching 27°C, while January is the coldest period with lows dropping to 7°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Shillong based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.