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Jieyang Weather by Month
Average temperatures, rainfall and humidity for Jieyang, China, month by month, built from OpenWeather’s historical records. Use it to see what a typical Jieyang month looks like before you travel — then check the live Jieyang forecast for the days ahead.
Warmest month
July
33°C average high
Coolest month
January
12°C average low
Wettest month
August
115 mm of rain
Driest month
February
15 mm of rain
Average temperature and rainfall in Jieyang 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 | 12°C | 2°C / 29°C | 16 mm | 70% | 8 km/h |
| February | 21°C | 13°C | 3°C / 31°C | 15 mm | 73% | 8 km/h |
| March | 24°C | 16°C | 7°C / 35°C | 33 mm | 74% | 9 km/h |
| April | 27°C | 19°C | 8°C / 37°C | 43 mm | 76% | 9 km/h |
| May | 29°C | 23°C | 15°C / 39°C | 74 mm | 82% | 8 km/h |
| June | 31°C | 25°C | 18°C / 37°C | 111 mm | 85% | 9 km/h |
| July | 33°C | 26°C | 22°C / 40°C | 110 mm | 81% | 9 km/h |
| August | 33°C | 26°C | 22°C / 38°C | 115 mm | 82% | 8 km/h |
| September | 32°C | 25°C | 21°C / 37°C | 70 mm | 79% | 8 km/h |
| October | 29°C | 21°C | 13°C / 37°C | 34 mm | 75% | 9 km/h |
| November | 25°C | 18°C | 8°C / 34°C | 25 mm | 73% | 8 km/h |
| December | 21°C | 13°C | 2°C / 30°C | 18 mm | 69% | 9 km/h |
Best time to visit Jieyang
The most comfortable time to visit Jieyang 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 August, totalling about 666 mm a year.
Travellers who prefer heat should aim for July, when highs average 33°C. August is the month to avoid if rain would spoil your plans — it averages 115 mm, roughly 8× the rainfall of the driest month (February).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Jieyang forecast for what is happening now.