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Sihui Weather by Month
Average temperatures, rainfall and humidity for Sihui, China, month by month, built from OpenWeather’s historical records. Use it to see what a typical Sihui month looks like before you travel — then check the live Sihui forecast for the days ahead.
Warmest month
August
34°C average high
Coolest month
January
12°C average low
Wettest month
June
527 mm of rain
Driest month
February
36 mm of rain
Average temperature and rainfall in Sihui 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 | 0°C / 29°C | 66 mm | 61% | 10 km/h |
| February | 21°C | 14°C | 3°C / 31°C | 36 mm | 68% | 10 km/h |
| March | 24°C | 18°C | 7°C / 35°C | 62 mm | 73% | 10 km/h |
| April | 27°C | 21°C | 11°C / 35°C | 68 mm | 72% | 10 km/h |
| May | 30°C | 25°C | 15°C / 38°C | 447 mm | 75% | 9 km/h |
| June | 32°C | 26°C | 21°C / 40°C | 527 mm | 77% | 9 km/h |
| July | 34°C | 27°C | 22°C / 40°C | 161 mm | 74% | 10 km/h |
| August | 34°C | 27°C | 22°C / 42°C | 240 mm | 73% | 9 km/h |
| September | 33°C | 26°C | 19°C / 41°C | 240 mm | 71% | 9 km/h |
| October | 29°C | 22°C | 11°C / 38°C | 113 mm | 66% | 11 km/h |
| November | 25°C | 18°C | 10°C / 36°C | 38 mm | 65% | 11 km/h |
| December | 21°C | 13°C | 1°C / 31°C | 66 mm | 58% | 12 km/h |
Best time to visit Sihui
The most comfortable time to visit Sihui 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 June, totalling about 2,064 mm a year.
Travellers who prefer heat should aim for August, when highs average 34°C. June is the month to avoid if rain would spoil your plans — it averages 527 mm, roughly 15× the rainfall of the driest month (February).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Sihui forecast for what is happening now.