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Heshan Weather by Month
Average temperatures, rainfall and humidity for Heshan, China, month by month, built from OpenWeather’s historical records. Use it to see what a typical Heshan month looks like before you travel — then check the live Heshan forecast for the days ahead.
Warmest month
August
33°C average high
Coolest month
January
13°C average low
Wettest month
June
487 mm of rain
Driest month
February
48 mm of rain
Average temperature and rainfall in Heshan by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 20°C | 13°C | -1°C / 28°C | 83 mm | 69% | 11 km/h |
| February | 21°C | 14°C | 1°C / 32°C | 48 mm | 76% | 11 km/h |
| March | 24°C | 18°C | 4°C / 36°C | 114 mm | 77% | 11 km/h |
| April | 27°C | 21°C | 8°C / 36°C | 89 mm | 78% | 11 km/h |
| May | 30°C | 25°C | 16°C / 41°C | 333 mm | 83% | 9 km/h |
| June | 32°C | 26°C | 21°C / 41°C | 487 mm | 81% | 10 km/h |
| July | 33°C | 27°C | 23°C / 44°C | 183 mm | 77% | 11 km/h |
| August | 33°C | 27°C | 22°C / 42°C | 246 mm | 77% | 9 km/h |
| September | 33°C | 26°C | 18°C / 40°C | 260 mm | 73% | 9 km/h |
| October | 29°C | 22°C | 11°C / 37°C | 122 mm | 71% | 11 km/h |
| November | 25°C | 19°C | 9°C / 33°C | 52 mm | 72% | 11 km/h |
| December | 20°C | 14°C | 2°C / 31°C | 66 mm | 67% | 12 km/h |
Best time to visit Heshan
The most comfortable time to visit Heshan is generally February to March and November, balancing mild daytime temperatures against the driest stretch of the year. The city has a moderate seasonal swing and rain concentrates around June, totalling about 2,084 mm a year.
Travellers who prefer heat should aim for August, when highs average 33°C. June is the month to avoid if rain would spoil your plans — it averages 487 mm, roughly 10× the rainfall of the driest month (February).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Heshan forecast for what is happening now.