Sandu Climate by Month
Sandu, Hainan, China
Hot days and mild nights all year, with a rainy season from May to September.
Hot days and mild nights all year, with a rainy season from May to September: that's Sandu's climate in short. Afternoon highs range from 71°F (22°C) in January to 92°F (33°C) in June, and January nights average 59°F (15°C). Of the 59 in (1500 mm) of rain in a typical year, 77% falls from May to September. The air is humid, averaging 78% relative humidity.
- Warmest month
- 92°F(33°C)
- Average high, June
- Coldest nights
- 59°F(15°C)
- Average low, January
- Rain per year
- 59 in(1500 mm)
- Wettest: August
- Humidity
- 78%
- Sunniest: June
Best and worst months in Sandu
Best for weatherThe most comfortable weather comes in February and December, with highs around 73°F (23°C) and about 0.8 in (20 mm) of rain a month.
Least pleasantJuly and August are the least pleasant; August is the wettest, with 12 in (307 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 December.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Sandu weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 71°F(22°C) | 59°F(15°C) | 0.5 in(13 mm) | 80% | 3.6 |
| FebFebruaryBest | 73°F(23°C) | 61°F(16°C) | 0.7 in(17 mm) | 81% | 4.1 |
| MarMarch | 78°F(26°C) | 65°F(18°C) | 1.1 in(27 mm) | 83% | 4.4 |
| AprApril | 85°F(29°C) | 72°F(22°C) | 2.7 in(69 mm) | 79% | 5.0 |
| MayMay | 90°F(32°C) | 77°F(25°C) | 6.3 in(160 mm) | 77% | 5.7 |
| JunJune | 92°F(33°C) | 79°F(26°C) | 7.0 in(177 mm) | 77% | 5.7 |
| JulJuly | 91°F(33°C) | 79°F(26°C) | 11 in(283 mm) | 78% | 5.7 |
| AugAugust | 90°F(32°C) | 78°F(26°C) | 12 in(307 mm) | 81% | 5.5 |
| SepSeptember | 88°F(31°C) | 76°F(25°C) | 8.9 in(226 mm) | 80% | 5.1 |
| OctOctober | 85°F(29°C) | 73°F(23°C) | 5.9 in(149 mm) | 78% | 4.9 |
| NovNovember | 80°F(27°C) | 68°F(20°C) | 1.9 in(49 mm) | 74% | 4.1 |
| DecDecemberBest | 74°F(23°C) | 62°F(17°C) | 0.9 in(23 mm) | 73% | 3.5 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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