The Li River: A Journey Through China’s Most Breathtaking Landscape
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Ruian Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Ruian.
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Climate overview of Ruian
Temperatures in Ruian, China, vary greatly throughout the year. July is the hottest month at 32°C (90°F), while January is the coldest at 13°C (55°F).
The city receives considerable rainfall, with around 1769 mm (70 in) annually. June is the wettest month. It has a distinct rainy season from May to September, with very warm summers and mild winters. The sunniest month is August, with 8.1 hours of sunshine per day on average.
Ruian Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Ruian - and find the best time to visit.
Monthly Temperature in Ruian
The climate in Ruian is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a very warm 32°C (90°F) in July to a moderate 13°C (55°F) in the coolest month, January.
Nights vary from 26°C (79°F) in July to around 6°C (43°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Ruian
Ruian has a notably wet climate with abundant precipitation, recording 1769 mm (70 in) of rainfall per year. The climate in Ruian shows significant variation throughout the year. Expect heavy rainfall in June, the wettest month, with an average of 296 mm (12 in) of precipitation over 19 rainy days.
In contrast, the driest month December offers drier and sunnier days, with around 61 mm (2.4 in) of rainfall over 13 rainy days. For more details, please visit our Ruian Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Ruian
For those who appreciate different seasons, Ruian serves as an ideal destination. Expect longer, more sun-filled days in August with an average of 8.1 hours of sunshine daily, and embrace the darker days in March, offering only 2.9 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Wenzhou, China (24 KM, 15 Miles).
Daily hours of sunshine
Data from: Wenzhou, China (24 KM, 15 Miles).
Water Temperature in Ruian
The mean water temperature over the year ranges from 12°C (54°F) in January to 28°C (82°F) in August.
Water temperature over the year
Data from: Wenzhou, China (24 KM, 15 Miles).
Humidity in Ruian by Month
The city experiences its highest humidity in June, reaching 89%. In January, the humidity drops to its lowest level at 74%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: Wenzhou, China (24 KM, 15 Miles).
Wind Speed in Ruian
The mean wind speed varies between 1 m/s (2 knots) and 2 m/s (4 knots) throughout the year. It is lowest in June and October and highest during January, February, March, April, May, July, August, September, November and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Data from: Wenzhou, China (24 KM, 15 Miles).
Best Time to Visit Ruian
Conditions in Ruian are generally most comfortable in October and November. They are typically least comfortable in June, July, August and September.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
mixed
Feb
good
Mar
mixed
Apr
very good
May
good
Jun
very wet
Jul
wet
Aug
very wet
Sep
wet
Oct
excellent
Nov
excellent
Dec
good
- Best overall: October and November
- Warmest weather: July and August
- Most sunshine: August
- Fewer rainy days: July, September, October, November and December
- Best for swimming: June, July, August, September and October.
- Wettest months: May, June, July, August and September, when rainfall is highest.
- Seasonal pattern: A distinct rainy season from May to September, with very warm summers and mild winters
Frequently asked questions about the climate in Ruian
What is the best time to visit Ruian?
October and November typically offer the most optimal weather in Ruian. In contrast, June, July, August and September tend to have less optimal conditions. Ruian has a distinct rainy season from May to September, with very warm summers and mild winters.
What temperatures can I expect in Ruian?
Daytime highs range from 13°C (55°F) in January to 32°C (90°F) in July. Nighttime lows range from 6°C (43°F) to 26°C (79°F). Temperatures vary considerably through the year.
How much rain does Ruian get?
Annual rainfall is around 1769 mm (70 in). June is the wettest month with 296 mm (12 in), while December is the driest with 61 mm (2.4 in).
How sunny is Ruian?
Ruian receives around 1,762 hours of sunshine per year. August is the sunniest month with 242 hours, while March is the cloudiest with just 87 hours.
Ruian 3-Day Forecast
Ruian on the map
Ruian is highlighted - select any city to see its climate.
Popular in October
Where to go in October - average daytime high across popular destinations.
Guangzhou
30°C (86°F) Shenzhen29°C (84°F) Hangzhou25°C (77°F) Shanghai24°C (75°F) Chengdu
22°C (72°F) Xi'an21°C (70°F) Beijing
21°C (70°F) Qingdao21°C (70°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
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