Sanya (Tianya) weather by month & the best time to visit
🇨🇳 China · coastal city break · tropical — wet & dry seasons climate
The best time to visit Sanya (Tianya) is February — its sunniest month (Sunshine Score 88/100), with January and March close behind. Sanya (Tianya) averages about 2,058 hours of sunshine a year. Daytime highs around 28°C / 82°F and roughly 15 mm of rain in February.
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- Sun hours / year
- 2,058
- Sunniest month
- February
- Peak score
- 88/100
- Rain / year
- 1,930 mm
- Midday UV at peak
- 9 (very high)
- Sea at warmest
- 30°C / 86°F
- Population
- 1M
- Elevation
- 25 m
When is the best time to visit Sanya (Tianya)?
For sunshine, the best time to visit Sanya (Tianya) is February, then January and March. The dullest month is June (63/100, 191 mm of rain). The full month-by-month picture is in the table below.
How sunny is Sanya (Tianya)?
Sanya (Tianya) gets a moderate 2,058 hours of sunshine a year. February (88/100) is noticeably better than June (63). It ranks #132 of 254 destinations in China for annual sunshine, below the national median of 2,110 hours. Rain has a clear season: the wettest stretch, around September, carries about 53% of the annual 1,930 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 87 | 25° / 77°F | 16° / 61°F | 21 mm | 6 | 25° / 77°F |
| February | 88 | 28° / 82°F | 17° / 63°F | 15 mm | 7 | 25° / 77°F |
| March | 84 | 30° / 86°F | 20° / 68°F | 36 mm | 8 | 25° / 77°F |
| April | 76 | 32° / 90°F | 23° / 73°F | 81 mm | 9 | 28° / 82°F |
| May | 64 | 32° / 90°F | 25° / 77°F | 145 mm | 9 | 30° / 86°F |
| June | 63 | 31° / 88°F | 26° / 79°F | 191 mm | 9 | 30° / 86°F |
| July | 63 | 31° / 88°F | 26° / 79°F | 266 mm | 9 | 30° / 86°F |
| August | 63 | 31° / 88°F | 26° / 79°F | 287 mm | 9 | 29° / 84°F |
| September | 63 | 31° / 88°F | 25° / 77°F | 329 mm | 8 | 30° / 86°F |
| October | 63 | 29° / 84°F | 23° / 73°F | 408 mm | 7 | 30° / 86°F |
| November | 71 | 28° / 82°F | 20° / 68°F | 110 mm | 6 | 28° / 82°F |
| December | 83 | 25° / 77°F | 17° / 63°F | 41 mm | 6 | 26° / 79°F |
Sea temperature in Sanya (Tianya) by month
The sea off Sanya (Tianya) is warmest in May at around 30°C / 86°F, and coolest in January at 25°C / 77°F. The water sits at a comfortable 21°C or warmer roughly all year round. Month-by-month sea-surface temperatures are in the Sea column of the table above.
See Sanya (Tianya) on the interactive sunshine globe →
Nearby places for sunshine
- Qionghai (Basuo) China · 144 km · best in Feb · 1,734 h sun/yr
- Haikou (Meilan) China · 212 km · best in Feb · 1,736 h sun/yr
- Huế Vietnam · 279 km · best in Feb · 1,621 h sun/yr
- Da Nang Vietnam · 282 km · best in Feb · 2,154 h sun/yr
- Dong Hoi Vietnam · 311 km · best in Feb · 1,435 h sun/yr
- Chu Lai Vietnam · 331 km · best in Feb · 1,979 h sun/yr
Head-to-head
How Sanya (Tianya) compares month by month: Sanya (Tianya) vs Haikou (Meilan) · Sanya (Tianya) vs Huế · Sanya (Tianya) vs Qionghai (Basuo) · all comparisons
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