Climate almanac
Haikou
Hainan, China · 20.03°, 110.35°
What is the weather like in Haikou in May?
In May, Haikou is typically 86°F (30°C) during the day and 79°F (26°C) at night. The month brings about 4.9 in (125 mm) of precipitation in total.
- Average high86°F (30°C)
- Average low79°F (26°C)
- Precipitation4.9 in (125 mm)
- Clear or mostly clear days8
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)