Climate Insights for Heihe

The climate in Heihe is cold. The average annual temperature is 2°C and approximately 638mm of precipitation falls per year. August is the wettest month, receiving around 136mm of rainfall. Heihe is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are January, December, February, when temperatures can drop to -25°C. Snowfall occurs from January to December, with around 72cm accumulating over the season.

Heihe has a wide annual temperature range, spanning 52°C from the coldest to warmest months. The warmest month is July, when average highs reach 27°C and the mean temperature sits around 22°C. January brings the harshest conditions, with lows dropping to -25°C and an average temperature of -20°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 13°C shift in average temperatures.

Heihe is a relatively dry area, receiving approximately 638mm of precipitation annually, which averages out to around 53mm per month. The wettest month is August, averaging 136mm of rainfall. July and June also tend to see above-average precipitation. The driest month is February, with just 4mm. That's 132mm less than August, 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. Snowfall is a regular feature from January to December, with around 72cm accumulating over the season. November typically sees the most snow at around 17cm.

Heihe is relatively calm, with an average annual wind speed of 3km/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 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 2km/h gap between the calmest and windiest months.

It is currently summer in Heihe, which began on June 21, 2026. Heihe 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 July at around 27°C, while the coldest stretch bottoms out in January near -25°C. Autumn is next, beginning on September 23, 2026 — 92 days from now.

The table below shows monthly climate averages for Heihe 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. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. 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.