Is Haikou hot in December?
Days are typically mild at 22.4°C, while nights average 17.6°C.
China · 1991–2020 normal
Haikou in
December.
Typical December weather in Haikou: 22.4°C by day, 17.6°C at night, 43 mm of rain over 5.7 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high22.4°C
Typical low17.6°C
Rain43 mm
Wet days5.7
In the year-round weather comparison, December scores 87 out of 100 (February leads the year at 90). Daylight is calculated as 10 h 55 from latitude 20.03°. Open-water sea temperature is 22.1°C (11 km from the place centre).
December at a glance
What is Haikou like in December?
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Does it rain much?
The measured monthly average is 43 mm across about 6 wet days.
How much daylight is there?
There are about 10 h 55 between sunrise and sunset at mid-month, calculated from the place latitude.
Is December a good time to visit?
December ranks 3 of 12 in our weather comparison; February ranks first.
Event window
Warm sea in December
The nearest open-water NOAA OISST 1991–2020 cell averages 22.1°C in December. A sheltered bay can run warmer than that open-water cell.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 1809078
- NOAA station
- CHM00059758 · HAIKOU
- Station distance
- 10.8 km from the place centre
- Coverage
- Strong coverage · 25 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.
Next step
Choose your month.
Then plan the details.
The weather comparison for Haikou is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
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