Climate Insights for Hāflong

The climate in Hāflong is warm and mild. The average annual temperature is 22°C and approximately 2352mm of precipitation falls per year. June is the wettest month, receiving around 454mm of rainfall. Hāflong is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: September, August, July. The coldest months are January, December, February, when temperatures can drop to 11°C.

Hāflong sees moderate temperature variation throughout the year, ranging from 11°C to 30°C. The warmest month is September, when average highs reach 30°C and the mean temperature sits around 26°C. January is the coolest month, with minimum temperatures around 11°C and an average of 15°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.

Hāflong is a very wet location, receiving approximately 2352mm of precipitation annually, which averages out to around 196mm per month. The wettest month is June, averaging 454mm of rainfall. May and July also tend to see above-average precipitation. The driest month is January, with just 22mm. That's 432mm less than June, 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.

Hāflong is relatively calm, with an average annual wind speed of 7km/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 9km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 5km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 4km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 6km/h in winter, 9km/h in spring, 9km/h in summer, 6km/h in autumn.

It is currently spring in Hāflong, which began on March 20, 2026. Hāflong 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 September at around 30°C, while the coldest stretch bottoms out in January near 11°C. Summer is next, beginning on June 21, 2026 — 88 days from now.

The best time to visit Hāflong is during January, February, March, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 44mm per month. By contrast, September can be uncomfortably hot with temperatures reaching 30°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 Hāflong 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.