Climate Insights for Hà Giang

The climate in Hà Giang is warm and mild. The average annual temperature is 22°C and approximately 2398mm of precipitation falls per year. Hà Giang receives a notable amount of rainfall throughout the year, including during its driest month. Hà Giang is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: June, August, July. The coldest months are December, February, January, when temperatures can drop to 12°C.

Hà Giang sees moderate temperature variation throughout the year, ranging from 12°C to 31°C. The warmest month is June, when average highs reach 31°C and the mean temperature sits around 27°C. December is the coolest month, with minimum temperatures around 12°C and an average of 15°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows. The sharpest temperature change occurs between November and December, with a 4°C shift in average temperatures.

Hà Giang is a very wet location, receiving approximately 2398mm of precipitation annually, which averages out to around 200mm per month. The wettest month is August, averaging 366mm of rainfall. June and July also tend to see above-average precipitation. The driest month is December, with just 76mm. That's 289mm less than August, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.

Hà Giang 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 August, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 0km/h gap between the calmest and windiest months.

It is currently summer in Hà Giang, which began on June 21, 2026. Hà Giang 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 June at around 31°C, while the coldest stretch bottoms out in December near 12°C. Autumn is next, beginning on September 23, 2026 — 90 days from now.

The best time to visit Hà Giang is during February and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 16°C with modest rainfall averaging 79mm per month. By contrast, June can be uncomfortably hot with temperatures reaching 31°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Hà Giang 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.