The climate in Heyuan during May can be summarized as hot, humid and very wet.
May is in the spring in Heyuan and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a steamy 29°C (84°F), whilst at night 22°C (71°F) is normal.
Daytime temperature | 29.1°C 84.4°F |
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Nightly temperature | 21.7°C 71.1°F |
Average temperature | 25.4°C 77.7°F |
Daily sunshine | 4.8 hrs |
Avg rainfall | 357 mm 14.1 ins |
Rainy days | 19 days |
Sea temperature | 25.8°C 78.4°F |
Humidity | 81% |
Windspeed | 7.9kph 5 mph |
On average May is the wettest month of the year in Heyuan with around 357mm 14.1 inches of rain making it a very wet time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.8 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Heyuan in May 2025.
Hottest month: | July | 32.7°C 90.9°F |
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Driest month: | December | 31mm 1.2ins |
Sunniest month: | July | 8.3hrs |
Coldest month: | January | 17.5°C 63.5°F |
Wettest month: | May | 357mm 14.1ins |