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Mianyang Weather by Month
Average temperatures, rainfall and humidity for Mianyang, China, month by month, built from OpenWeather’s historical records. Use it to see what a typical Mianyang month looks like before you travel — then check the live Mianyang forecast for the days ahead.
Warmest month
August
31°C average high
Coolest month
January
4°C average low
Wettest month
July
124 mm of rain
Driest month
December
24 mm of rain
Average temperature and rainfall in Mianyang 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 | 11°C | 4°C | -7°C / 20°C | 28 mm | 71% | 7 km/h |
| February | 13°C | 5°C | -4°C / 25°C | 33 mm | 71% | 8 km/h |
| March | 19°C | 11°C | 2°C / 31°C | 52 mm | 67% | 9 km/h |
| April | 24°C | 15°C | 7°C / 34°C | 72 mm | 65% | 10 km/h |
| May | 27°C | 19°C | 10°C / 37°C | 104 mm | 61% | 10 km/h |
| June | 30°C | 21°C | 15°C / 38°C | 67 mm | 69% | 8 km/h |
| July | 31°C | 23°C | 17°C / 38°C | 124 mm | 80% | 8 km/h |
| August | 31°C | 23°C | 16°C / 38°C | 112 mm | 78% | 7 km/h |
| September | 26°C | 19°C | 13°C / 36°C | 85 mm | 80% | 8 km/h |
| October | 21°C | 15°C | 6°C / 32°C | 64 mm | 77% | 7 km/h |
| November | 16°C | 10°C | 0°C / 24°C | 28 mm | 73% | 7 km/h |
| December | 12°C | 5°C | -5°C / 20°C | 24 mm | 70% | 7 km/h |
Best time to visit Mianyang
The most comfortable time to visit Mianyang 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 July, totalling about 793 mm a year.
Travellers who prefer heat should aim for August, when highs average 31°C. July is the month to avoid if rain would spoil your plans — it averages 124 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 Mianyang forecast for what is happening now.
Weather across China right now
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