Climate Insights for Heshun

The climate in Heshun is temperate. The average annual temperature is 16°C and approximately 1652mm of precipitation falls per year. July is the wettest month, receiving around 375mm of rainfall. Heshun is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: September, August, June. The coldest months are January, February, December, when temperatures can drop to 2°C.

Temperatures in Heshun vary considerably across the year, with a 23°C difference between the coldest and warmest months. The warmest month is September, when average highs reach 25°C and the mean temperature sits around 21°C. January is the coolest month, with minimum temperatures around 2°C and an average of 10°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 4°C shift in average temperatures.

Heshun is a fairly wet location, receiving approximately 1652mm of precipitation annually, which averages out to around 138mm per month. The wettest month is July, averaging 375mm of rainfall. August and June also tend to see above-average precipitation. The driest month is December, with just 26mm. That's 349mm 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.

Heshun 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 March, averaging 10km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 6km/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 be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 8km/h in winter, 9km/h in spring, 6km/h in summer, 6km/h in autumn.

It is currently spring in Heshun, which began on March 20, 2026. Heshun 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 25°C, while the coldest stretch bottoms out in January near 2°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Heshun is during April, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 97mm per month. By contrast, September can be uncomfortably hot with highs reaching 25°C, while January is the coldest period with lows dropping to 2°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 Heshun 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.