Haikou weather in January
January is one of the best months to visit Haikou: highs of 21°C (70°F) and about 33 mm (1.3 in) of rain on average. Nights average 17°C (62°F) and cloud cover 70% (NASA POWER, 2001–2025 averages). It is the 2nd driest month of the year and the coolest. Compared with December, it is cooler and drier; February brings highs of 23°C (73°F) and 28 mm (1.1 in) of rain.
Is January a good time to visit Haikou?
best month Weather score 81/100.
Yes. January is one of the best months for weather in Haikou.
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Does it rain a lot in Haikou in January?
No, it is usually dry: about 33 mm (1.3 in) falls in an average January. It is the 2nd driest month of the year.
How warm is Haikou in January?
Days average 21°C (70°F) and nights 17°C (62°F).
Haikou weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 21°C (70°F) | 17°C (62°F) | 33 mm | 70% | best |
| February | 23°C (73°F) | 17°C (63°F) | 28 mm | 71% | best |
| March | 25°C (77°F) | 20°C (67°F) | 47 mm | 68% | best |
| April | 28°C (83°F) | 23°C (73°F) | 88 mm | 61% | best |
| May | 30°C (86°F) | 25°C (78°F) | 190 mm | 64% | fair |
| June | 30°C (87°F) | 27°C (80°F) | 205 mm | 74% | fair |
| July | 30°C (87°F) | 26°C (80°F) | 236 mm | 68% | least pleasant |
| August | 30°C (86°F) | 27°C (80°F) | 313 mm | 68% | least pleasant |
| September | 29°C (85°F) | 26°C (79°F) | 293 mm | 64% | least pleasant |
| October | 28°C (82°F) | 24°C (76°F) | 278 mm | 54% | least pleasant |
| November | 25°C (77°F) | 22°C (71°F) | 81 mm | 59% | best |
| December | 22°C (71°F) | 18°C (65°F) | 49 mm | 66% | best |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months
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