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Jiujiang Weather by Month
Average temperatures, rainfall and humidity for Jiujiang, China, month by month, built from OpenWeather’s historical records. Use it to see what a typical Jiujiang month looks like before you travel — then check the live Jiujiang forecast for the days ahead.
Warmest month
August
33°C average high
Coolest month
January
4°C average low
Wettest month
April
194 mm of rain
Driest month
December
36 mm of rain
Average temperature and rainfall in Jiujiang 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 | 10°C | 4°C | -10°C / 22°C | 46 mm | 75% | 11 km/h |
| February | 11°C | 5°C | -9°C / 26°C | 114 mm | 80% | 11 km/h |
| March | 17°C | 10°C | -1°C / 35°C | 113 mm | 78% | 11 km/h |
| April | 22°C | 15°C | 4°C / 33°C | 194 mm | 76% | 10 km/h |
| May | 26°C | 19°C | 11°C / 35°C | 120 mm | 77% | 9 km/h |
| June | 29°C | 23°C | 16°C / 36°C | 163 mm | 83% | 8 km/h |
| July | 32°C | 26°C | 18°C / 39°C | 149 mm | 80% | 9 km/h |
| August | 33°C | 25°C | 17°C / 40°C | 75 mm | 77% | 9 km/h |
| September | 29°C | 22°C | 14°C / 38°C | 64 mm | 78% | 11 km/h |
| October | 23°C | 16°C | 6°C / 40°C | 44 mm | 74% | 12 km/h |
| November | 17°C | 11°C | -1°C / 32°C | 61 mm | 74% | 11 km/h |
| December | 12°C | 5°C | -5°C / 23°C | 36 mm | 72% | 11 km/h |
Best time to visit Jiujiang
The most comfortable time to visit Jiujiang is generally May 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 April, totalling about 1,178 mm a year.
Travellers who prefer heat should aim for August, when highs average 33°C. April is the month to avoid if rain would spoil your plans — it averages 194 mm, roughly 5× the rainfall of the driest month (December).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Jiujiang forecast for what is happening now.