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Heyuan Weather by Month
Average temperatures, rainfall and humidity for Heyuan, China, month by month, built from OpenWeather's historical records. Use it to see what a typical Heyuan month looks like before you travel — then check the live Heyuan forecast for the days ahead.
Warmest month
July
32°C average high
Coolest month
January
11°C average low
Wettest month
May
284 mm of rain
Driest month
December
34 mm of rain
Average temperature and rainfall in Heyuan 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 | 11°C | -2°C / 31°C | 45 mm | 67% | 7 km/h |
| February | 21°C | 13°C | -1°C / 31°C | 69 mm | 74% | 7 km/h |
| March | 24°C | 17°C | 2°C / 33°C | 114 mm | 77% | 7 km/h |
| April | 27°C | 20°C | 7°C / 36°C | 121 mm | 79% | 7 km/h |
| May | 29°C | 23°C | 15°C / 39°C | 284 mm | 82% | 6 km/h |
| June | 31°C | 25°C | 20°C / 39°C | 222 mm | 84% | 7 km/h |
| July | 32°C | 25°C | 21°C / 39°C | 165 mm | 81% | 7 km/h |
| August | 32°C | 25°C | 21°C / 39°C | 202 mm | 82% | 6 km/h |
| September | 32°C | 24°C | 17°C / 38°C | 155 mm | 79% | 6 km/h |
| October | 29°C | 20°C | 10°C / 37°C | 58 mm | 71% | 8 km/h |
| November | 25°C | 17°C | 6°C / 32°C | 48 mm | 72% | 8 km/h |
| December | 20°C | 12°C | 0°C / 31°C | 34 mm | 66% | 8 km/h |
Best time to visit Heyuan
The most comfortable time to visit Heyuan is generally March and November to December, balancing mild daytime temperatures against the driest stretch of the year. The city has a moderate seasonal swing and rain concentrates around May, totalling about 1517 mm a year.
Travellers who prefer heat should aim for July, when highs average 32°C. May is the month to avoid if rain would spoil your plans — it averages 284 mm, roughly 8× the rainfall of December.
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Heyuan forecast for what is happening now.