Sanya Climate by Month
Sanya, Hainan, China
Warm all year, with a rainy season from June to October.
Warm all year, with a rainy season from June to October: that's Sanya's climate in short. June is the warmest month, with highs around 91°F (33°C); January is the coolest at 78°F (25°C), and nights dip to 64°F (18°C). Of the 56 in (1424 mm) of rain in a typical year, 73% falls from June to October.
- Warmest month
- 91°F(33°C)
- Average high, June
- Coldest nights
- 64°F(18°C)
- Average low, January
- Rain per year
- 56 in(1424 mm)
- Wettest: September
- Humidity
- 76%
- Sunniest: May
Best and worst months in Sanya
Best for weatherJanuary and February are the best time for weather in Sanya: highs near 78°F (26°C) and about 0.8 in (22 mm) of rain a month.
Least pleasantSeptember is the least pleasant month: it's the wettest, with 11 in (288 mm) of rain.
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in January.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Sanya weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuaryBest | 78°F(25°C) | 64°F(18°C) | 1.0 in(26 mm) | 73% | 3.9 |
| FebFebruaryBest | 79°F(26°C) | 66°F(19°C) | 0.7 in(17 mm) | 77% | 4.5 |
| MarMarch | 83°F(28°C) | 70°F(21°C) | 1.0 in(25 mm) | 77% | 4.8 |
| AprApril | 87°F(31°C) | 74°F(24°C) | 1.6 in(41 mm) | 75% | 5.4 |
| MayMay | 91°F(33°C) | 77°F(25°C) | 3.4 in(87 mm) | 76% | 6.0 |
| JunJune | 91°F(33°C) | 79°F(26°C) | 5.5 in(139 mm) | 76% | 5.9 |
| JulJuly | 90°F(32°C) | 78°F(26°C) | 6.6 in(167 mm) | 75% | 5.6 |
| AugAugust | 90°F(32°C) | 78°F(25°C) | 6.7 in(170 mm) | 79% | 5.6 |
| SepSeptember | 89°F(31°C) | 76°F(25°C) | 11 in(288 mm) | 80% | 5.0 |
| OctOctober | 86°F(30°C) | 74°F(23°C) | 11 in(273 mm) | 77% | 4.8 |
| NovNovember | 83°F(28°C) | 71°F(21°C) | 5.4 in(136 mm) | 77% | 4.3 |
| DecDecember | 79°F(26°C) | 66°F(19°C) | 2.2 in(55 mm) | 74% | 4.0 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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