Rui’an weather by month
Warmest month
July
33°C average high
Coolest month
January
6°C average low
Wettest month
June
194 mm of rain
Driest month
December
45 mm of rain
Average temperature and rainfall in Rui’an 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 | 14°C | 6°C | -11°C / 23°C | 52 mm | 73% | 6 km/h |
| February | 15°C | 7°C | -9°C / 27°C | 87 mm | 73% | 5 km/h |
| March | 18°C | 9°C | -4°C / 31°C | 126 mm | 76% | 5 km/h |
| April | 22°C | 14°C | 5°C / 31°C | 108 mm | 74% | 5 km/h |
| May | 26°C | 19°C | 11°C / 36°C | 164 mm | 73% | 5 km/h |
| June | 29°C | 22°C | 16°C / 38°C | 194 mm | 78% | 5 km/h |
| July | 33°C | 25°C | 21°C / 44°C | 149 mm | 74% | 6 km/h |
| August | 33°C | 26°C | 20°C / 39°C | 171 mm | 71% | 6 km/h |
| September | 31°C | 23°C | 15°C / 36°C | 137 mm | 66% | 7 km/h |
| October | 25°C | 18°C | 6°C / 37°C | 52 mm | 73% | 7 km/h |
| November | 19°C | 13°C | 3°C / 27°C | 72 mm | 81% | 5 km/h |
| December | 14°C | 7°C | -7°C / 24°C | 45 mm | 71% | 6 km/h |
Frost and snow-likely months in Rui’an
No month in Rui’an averages a night of 2°C or below. The coldest month is January with an average low of 6°C and a record low of -11°C, so frost is rare and snow is very unlikely.
These records carry temperature and precipitation, not snowfall totals.
Best time to visit Rui’an
The most comfortable time to visit Rui’an is generally April and October to November, balancing mild daytime temperatures against the driest stretch of the year. The city has strongly marked seasons and rain concentrates around June, totalling about 1,357 mm a year.
Travellers who prefer heat should aim for July, when highs average 33°C. June is the month to avoid if rain would spoil your plans — it averages 194 mm, roughly 4× the rainfall of the driest month (December).
Rui’an climate: your questions
Does it snow in Rui’an?
No: the coldest month in Rui’an is January with an average low of 6°C and a record low of -11°C, so snow is very unlikely. What is falling now: Rui’an weather today.
Which months are best for visiting Rui’an?
April and October to November are the most comfortable months in Rui’an, with highs near 22°C. July is the warmest month, averaging 33°C by day; June is the wettest, with 194 mm; and January is the coolest, with lows near 6°C. What it is doing today: Rui’an weather today.
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Rui’an forecast for what is happening now.
Weather across China right now
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