Haikou (Meilan) weather by month & the best time to visit
China · major coastal city · tropical monsoon climate
The best time to visit Haikou (Meilan) is February — its sunniest month (Sunshine Score 84/100), with January and March close behind. Haikou (Meilan) averages about 1,736 hours of sunshine a year. Daytime highs around 22°C / 72°F and roughly 28 mm of rain in February.
When is the best time to visit Haikou (Meilan)?
For sunshine, the best time to visit Haikou (Meilan) is February, then January and March. The dullest month is May (61/100, 190 mm of rain). The full month-by-month picture is in the table below.
How sunny is Haikou (Meilan)?
Haikou (Meilan) isn't a sunny place by world standards: about 1,736 hours of sunshine a year. February (84/100) is noticeably better than May (61). It ranks #152 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 48% of the annual 1,841 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 83 | 21° / 70°F | 17° / 63°F | 33 mm | 5 | 21° / 70°F |
| February | 84 | 22° / 72°F | 17° / 63°F | 28 mm | 6 | 22° / 72°F |
| March | 80 | 25° / 77°F | 20° / 68°F | 47 mm | 7 | 23° / 73°F |
| April | 73 | 28° / 82°F | 22° / 72°F | 88 mm | 8 | 28° / 82°F |
| May | 61 | 30° / 86°F | 25° / 77°F | 190 mm | 9 | 29° / 84°F |
| June | 61 | 30° / 86°F | 26° / 79°F | 205 mm | 9 | 31° / 88°F |
| July | 61 | 30° / 86°F | 26° / 79°F | 236 mm | 10 | 31° / 88°F |
| August | 61 | 30° / 86°F | 26° / 79°F | 313 mm | 9 | 32° / 90°F |
| September | 61 | 29° / 84°F | 26° / 79°F | 293 mm | 8 | 31° / 88°F |
| October | 61 | 28° / 82°F | 24° / 75°F | 278 mm | 7 | 28° / 82°F |
| November | 74 | 25° / 77°F | 22° / 72°F | 81 mm | 6 | 26° / 79°F |
| December | 80 | 22° / 72°F | 18° / 64°F | 49 mm | 4 | 21° / 70°F |
Sea temperature in Haikou (Meilan) by month
The sea off Haikou (Meilan) is warmest in August at around 32°C / 90°F, and coolest in January at 21°C / 70°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.
Nearest destinations
Head-to-head
How Haikou (Meilan) compares month by month: Haikou (Meilan) vs Zhanjiang · Haikou (Meilan) vs Sanya (Tianya) · Haikou (Meilan) vs Beihai · Haikou (Meilan) vs Qionghai (Basuo) · all comparisons
Haikou (Meilan): questions and answers
What kind of destination is Haikou (Meilan)?
Haikou (Meilan) is a major coastal city in China with a tropical monsoon climate — the sea reaches 32°C at its warmest and is swimmable (21°C+) year-round.
How many hours of sunshine does Haikou (Meilan) get a year?
Haikou (Meilan) gets about 1,736 hours of sunshine a year, at its best around February.
When is the best time to visit Haikou (Meilan)?
The sunniest time to visit Haikou (Meilan) is February, when the Sunshine Score peaks at 84/100 (with January and March close behind). Expect daytime highs around 22°C / 72°F.
What is the least sunny month in Haikou (Meilan)?
May is the least sunny month in Haikou (Meilan), scoring 61/100 with about 190 mm of rain.
What is the sea temperature in Haikou (Meilan)?
The sea in Haikou (Meilan) ranges from about 21°C (January) to 32°C (August). Month-by-month sea temperatures are on this page.
How strong is the sun in Haikou (Meilan)?
The typical midday UV index in Haikou (Meilan) peaks around 10 (very high) in July, easing to about 4 (moderate) in December. Month-by-month midday UV values are in the UV column of the table on this page.
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