Climate almanac
Haikou
Hainan, China · 20.03°, 110.35°
What is the weather like in Haikou in December?
In December, Haikou is typically 70°F (21°C) during the day and 66°F (19°C) at night. The month brings about 0.9 in (24 mm) of precipitation in total.
- Average high70°F (21°C)
- Average low66°F (19°C)
- Precipitation0.9 in (24 mm)
- Clear or mostly clear days8
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)