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Yiyang Weather by Month
Average temperatures, rainfall and humidity for Yiyang, China, month by month, built from OpenWeather’s historical records. Use it to see what a typical Yiyang month looks like before you travel — then check the live Yiyang forecast for the days ahead.
Warmest month
July
34°C average high
Coolest month
January
5°C average low
Wettest month
March
170 mm of rain
Driest month
October
49 mm of rain
Average temperature and rainfall in Yiyang 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 | 12°C | 5°C | -6°C / 28°C | 59 mm | 79% | 8 km/h |
| February | 13°C | 6°C | -5°C / 31°C | 95 mm | 85% | 8 km/h |
| March | 19°C | 12°C | 2°C / 37°C | 170 mm | 83% | 9 km/h |
| April | 23°C | 16°C | 6°C / 35°C | 169 mm | 83% | 9 km/h |
| May | 27°C | 20°C | 11°C / 38°C | 135 mm | 84% | 8 km/h |
| June | 30°C | 23°C | 15°C / 37°C | 119 mm | 85% | 9 km/h |
| July | 34°C | 25°C | 19°C / 42°C | 88 mm | 77% | 9 km/h |
| August | 33°C | 25°C | 16°C / 41°C | 96 mm | 78% | 8 km/h |
| September | 30°C | 22°C | 11°C / 39°C | 66 mm | 79% | 8 km/h |
| October | 24°C | 16°C | 6°C / 39°C | 49 mm | 75% | 9 km/h |
| November | 18°C | 12°C | 0°C / 34°C | 76 mm | 78% | 8 km/h |
| December | 12°C | 6°C | -4°C / 28°C | 55 mm | 76% | 9 km/h |
Best time to visit Yiyang
The most comfortable time to visit Yiyang is generally April and September to October, balancing mild daytime temperatures against the driest stretch of the year. The city has strongly marked seasons and rain concentrates around March, totalling about 1,177 mm a year.
Travellers who prefer heat should aim for July, when highs average 34°C. March is the month to avoid if rain would spoil your plans — it averages 170 mm, roughly 3× the rainfall of the driest month (October).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Yiyang forecast for what is happening now.