Weather in Haikou in December 2025
Average weather
Average temperature in Haikou in December
The expected average maximum temperature in December is +22°C with a maximum of +27°C and a minimum of +12°C.
The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +23°C to +23°C.
Is Haikou warm or cold in December?
Haikou is typically mild in December.
Maximum temperatures go down compared to the previous month from +25°C to +21°C. The minimum temperature also goes down from +21°C to +18°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
December is one of the coolest months in Haikou, here is the comparison with other months:
Climate in Haikou in December
| November | December | January | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +25°C | +21°C | +20°C | ||||
| Min. temperature | ||||||
| +10°C | +6°C | +5°C | ||||
| Max. temperature | ||||||
| +33°C | +31°C | +28°C | ||||
| Rainfall | ||||||
| 58 mm | 30 mm | 28 mm | ||||
| Wind | ||||||
| 4 m/s | 4 m/s | 4 m/s | ||||
| Humidity | ||||||
| 79% | 79% | 83% | ||||
| Air pressure | ||||||
| 1015 HPa | 1018 HPa | 1017 HPa | ||||
| Sunny days | ||||||
| 5 | 6 | 4 | ||||
| Cloudy days | ||||||
| 11 | 14 | 16 | ||||
| Rainy days | ||||||
| 14 | 11 | 12 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
December weather is still as ok as in November. It’s getting colder in December. From +25°C in the day, the average maximum temperature lowers to +21°C. As December arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 58 mm to 30 mm. Humidity levels don’t change as the month goes on, averaging around 79%. The average wind speed doesn’t change much during December, staying around 4 m/s. The good news is there are likely to be more sunny days in December, from 5 to 6.
January brings much the same weather, it remains ok.
Wind
The average wind speed is 5 m/s getting up to 8 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Haikou is gradually decreasing during December, going from 8 m/s to 3 m/s over the course of the month.
Rain
How was the weather last December in Haikou?
Climate Change over Years
The climate in Haikou in December has not changed much over the last 43 years.
The average temperature was the lowest in 1984 (+25°C) and the highest in 2019 (+28°C). The driest year was 1991 with only 799 mm of rainfall, and the wettest year was 1982 with 1827 mm.
FAQ
Is December a good time to visit Haikou?
Can you sunbathe in Haikou in December?
Is Haikou rainy in December?
Is it sunny in Haikou in December?
Other cities in China
Monthly weather in Haikou
Source of the data
For this page, we’ve looked at the typical weather in Haikou, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
