City · China
Best time to visit Sanya
The best time to visit Sanya is November–March, with daytime temperatures around 25°C.
Sanya at a glance: warmest in May with daytime temperatures around 32°C and coolest in January (25°C). The wettest month is September (315 mm) and the driest January (13 mm), with about 1,570 mm of rain a year. The sea is warmest in June (30°C). Sunniest in October.
Eddigo
Loading climate data…
Sanya
20 mWarm
78
25°/19°24°15 mm30 %11 h
A typical mid-January in Sanya
Sunny 8Cloudy 15Rain 7
Daytime temperature (night ☾)
19°22°27°16°36°
Sea temperature
24°16°36°
Daylight (solar time)
06:2517:35
0006121824
11 h 9 m
Precipitation
0320 mm
15 mm
Air feel
FreshComfortableHumidMuggy
RH 81 %
Month by month
| Month | Score | Day | Night | Sea | Rain | Wet days | Sun | Daylight | Feels like |
|---|---|---|---|---|---|---|---|---|---|
| January | 78 | 25° | 19° | 24° | 13 mm | 7 | 30 % | 11 h | Warm |
| February | 77 | 27° | 21° | 23° | 14 mm | 6 | 31 % | 12 h | Warm |
| March | 73 | 28° | 22° | 24° | 24 mm | 6 | 30 % | 12 h | Warm and muggy |
| April | 61 | 30° | 24° | 27° | 49 mm | 6 | 27 % | 13 h | Hot and muggy |
| May | 42 | 32° | 26° | 29° | 131 mm | 10 | 25 % | 13 h | Hot and muggy |
| June | 36 | 32° | 27° | 30° | 148 mm | 12 | 20 % | 13 h | Hot, showery and muggy |
| July | 35 | 31° | 26° | 30° | 199 mm | 14 | 24 % | 13 h | Rainy season · hot, showery and muggy |
| August | 28 | 31° | 26° | 30° | 256 mm | 17 | 20 % | 13 h | Rainy season · hot, showery and muggy |
| September | 32 | 31° | 25° | 30° | 315 mm | 17 | 30 % | 12 h | Rainy season · hot, showery and muggy |
| October | 48 | 30° | 24° | 29° | 301 mm | 13 | 37 % | 12 h | Rainy season · warm, showery and muggy |
| November | 68 | 28° | 22° | 27° | 92 mm | 9 | 37 % | 11 h | Warm and muggy |
| December | 81 | 26° | 19° | 25° | 31 mm | 6 | 33 % | 11 h | Warm |
The score (0–100) combines daytime temperature, rain days, humidity and cloud cover, weighted for a typical warm-weather trip: 20–28 °C, little rain. On the map you can change these preferences.
Climate averages 2016–2025 (ERA5, CRU TS). Sea temperature from ERA5. Not a forecast. Elevation: 17 m. Coordinates: 18.25, 109.51.