City in Hainan, China
Sanya weather by month and the best time to visit
When to go to Sanya
Nov–Mar is warm and dry; Chinese New Year and winter holidays are peak. Jul–Oct is hot, humid and typhoon-prone, with cheaper rooms.
Sanya weather by month
Average daily high, rainfall and conditions.
- Jan26°21 mm
- Feb28°15 mm
- Mar30°36 mm
- Apr32°81 mm
- May32°145 mm
- Jun31°191 mm
- Jul31°266 mm
- Aug31°287 mm
- Sep31°329 mm
- Oct29°408 mm
- Nov28°110 mm
- Dec26°41 mm
Monthly averages
| Month | High | Low | Rain | Humidity | Conditions |
|---|---|---|---|---|---|
| January | 26°C78°F | 16°C61°F | 21 mm | 81% | Pleasant |
| February | 28°C82°F | 17°C63°F | 15 mm | 79% | Pleasant |
| March | 30°C86°F | 20°C68°F | 36 mm | 78% | Pleasant |
| April | 32°C90°F | 23°C73°F | 81 mm | 78% | Hot & humid |
| May | 32°C90°F | 25°C77°F | 145 mm | 82% | Hot & humid |
| June | 31°C88°F | 26°C79°F | 191 mm | 86% | Rainy |
| July | 31°C88°F | 26°C79°F | 266 mm | 88% | Rainy |
| August | 31°C87°F | 26°C78°F | 287 mm | 88% | Rainy |
| September | 31°C88°F | 25°C77°F | 329 mm | 87% | Very wet |
| October | 29°C85°F | 23°C73°F | 408 mm | 87% | Very wet |
| November | 28°C82°F | 20°C69°F | 110 mm | 86% | Pleasant |
| December | 26°C78°F | 17°C63°F | 41 mm | 83% | Pleasant |
Best months across China
| Place | Best months | Warmest month |
|---|---|---|
| Beijing | Apr–May, Sep–Oct | Jul (33°C) |
| Shanghai | Mar–May, Oct–Nov | Jul (32°C) |
| Xi'an | Apr–May, Sep–Oct | Jul (34°C) |
| Chengdu | Mar–May, Sep–Oct | Jul (32°C) |
| Guilin | Apr–May, Sep–Nov | Aug (32°C) |
| Chongqing | Mar–May, Oct–Nov | Jul (33°C) |
| Shenzhen | Mar, Oct–Dec | Aug (30°C) |
| Guangzhou | Mar, Oct–Dec | Aug (32°C) |
| Hangzhou | Mar–May, Oct–Nov | Jul (33°C) |
| Zhangjiajie | Apr–May, Sep–Oct | Jul (32°C) |
| Yangshuo | Apr–May, Sep–Nov | Jul (32°C) |
| Lijiang | Mar–May, Oct–Nov | Jun (25°C) |
| Suzhou | Mar–May, Oct–Nov | Jul (32°C) |
| Harbin | Jan–Feb, Jun–Aug | Jul (29°C) |
| Sanya | Nov–Mar | May (32°C) |
| Xiamen | Mar–May, Oct–Nov | Jul (31°C) |
| Dali | Mar–May, Sep–Nov | Jun (26°C) |
| Lhasa | Apr–Jun, Sep–Oct | Jun (24°C) |
| Huangshan | Apr–May, Sep–Nov | Jul (29°C) |
| Kunming | Mar–May, Sep–Oct | Jun (27°C) |
| Qingdao | May–Jun, Sep–Oct | Aug (28°C) |
| Nanjing | Mar–May, Oct–Nov | Jul (32°C) |
| Shangri-La | Apr–Jun, Sep–Oct | Jun (21°C) |
| Jiuzhaigou | Apr–May, Sep–Nov | Jul (31°C) |
| Changsha | Mar–May, Sep–Nov | Jul (32°C) |
| Pingyao | Apr–May, Sep–Oct | Jul (33°C) |
| Dunhuang | Apr–May, Sep–Oct | Jul (36°C) |
| Kashgar | Apr–May, Sep–Oct | Jul (36°C) |
| Wuhan | Mar–Apr, Oct–Nov | Aug (32°C) |
| Tianjin | Apr–May, Sep–Oct | Jul (33°C) |
Quick answers
What is the best month to visit Sanya?
Nov–Mar. Nov–Mar is warm and dry; Chinese New Year and winter holidays are peak. Jul–Oct is hot, humid and typhoon-prone, with cheaper rooms.
When is the rainy season in Sanya?
Rain peaks in October with about 408 mm. Months with 150 mm or more: Jun–Oct.
What is the hottest month in Sanya?
May, with average highs of 32°C (90°F).
How cold does Sanya get?
The coolest nights are in January, averaging 16°C (61°F).
More about Sanya
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Sources
Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Temperatures are adjusted by 1.7°C for the city's elevation. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.