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Climate and Weather of Hainan, China

In China you have several regions, one of which is called Hainan. The most popular city in this region is Sanya, whose climate data we'll examine to provide you with an overview of what weather to expect in Hainan. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.

Hainan offers pleasant conditions in January, February, March and December, with temperatures typically ranging from 24°C to 27°C.

The warmest weather in Hainan arrives in June, when temperatures climb to 31°C. In contrast, January sees the mercury drop to daytime highs of 24°C.

June, July and August are generally the hottest months of the year.

When it comes to rainfall, Hainan sees significant variations throughout the year. July tends to be the wettest, receiving 285 mm of rain, while January is much drier with just 17 mm. Travelers should note that the rainy season falls during June, July, August and September, bringing substantial precipitation ranging from 231 mm to 285 mm monthly. The driest period occurs in January and February, with rainfall remaining under 18 mm.

Select a Month of Interest

Check the conditions for any month of the year.

Interested in the detailed Weather and Climate of Hainan, China?

Please select a city below the map you wish to travel to, or the one closest to your destination. Each selected city will show you the following graphs:
1. Average minimum and maximum temperature over the year
2. Average monthly precipitation over the year (rainfall, snow)
3. Average monthly hours of sunshine over the year
On certain pages we also offer other historical climate data like humidity wind speed and water temperature.

Popular places in Hainan, China

Select a city to see its average temperature, precipitation and hours of sunshine over the year.

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