Climate almanac
Haikou
Yunnan, China · 24.78°, 102.58°
What is the climate like in Haikou?
The best time to visit Haikou is typically February – April, with trip comfort peaking in March (7.9/10). Haikou is warmest in May, when daily highs average 78°F (25°C), and coolest in January, when lows fall to about 41°F (5°C). The wettest month is typically August and the driest is December; the year sees roughly 51 in (1297 mm) of precipitation.
- Best time to visitFebruary – April — comfort peaks in March (7.9/10)
- Warmest monthMay — average high 78°F (25°C)
- Coolest monthJanuary — average low 41°F (5°C)
- Wettest monthAugust (11 in (270 mm))
- Driest monthDecember (0.7 in (18 mm))
- Annual precipitation51 in (1297 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromKunming, 28 km away (1951-2025)