Weather in Haikou in January 2026
- January is usually the coldest month of the year in Haikou;
Average weather
Average temperature in Haikou in January
The expected average maximum temperature in January is +19°C with a maximum of +27°C and a minimum of +7°C.
The average maximum temperature goes up 20% by the end of the month, compared with the beginning of the month, from +17°C to +21°C.
Is Haikou warm or cold in January?
Haikou is typically mild in January.
Maximum temperatures go down compared to the previous month from +21°C to +20°C. The minimum temperature also goes down from +18°C to +16°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
January is the coldest month in Haikou, here is the comparison with other months:
Climate in Haikou in January
| December | January | February | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +21°C | +20°C | +21°C | ||||
| Min. temperature | ||||||
| +6°C | +5°C | +8°C | ||||
| Max. temperature | ||||||
| +31°C | +28°C | +32°C | ||||
| Rainfall | ||||||
| 30 mm | 28 mm | 38 mm | ||||
| Wind | ||||||
| 4 m/s | 4 m/s | 4 m/s | ||||
| Humidity | ||||||
| 79% | 83% | 85% | ||||
| Air pressure | ||||||
| 1018 HPa | 1017 HPa | 1015 HPa | ||||
| Sunny days | ||||||
| 6 | 4 | 3 | ||||
| Cloudy days | ||||||
| 14 | 16 | 12 | ||||
| Rainy days | ||||||
| 11 | 12 | 13 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
January weather is still as ok as in December. It’s getting colder in January. From +21°C in the day, the average maximum temperature lowers to +20°C. As January arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 30 mm to 28 mm. Humidity rises from 79% to 83%. The average wind speed doesn’t change much during January, staying around 4 m/s. The days becoming less sunny, going from 6 sunny days in December to 4 in January.
February brings much the same weather, it remains ok.
Wind
The average wind speed is 4 m/s getting up to 6 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 January, going from 4 m/s to 3 m/s over the course of the month.
Rain
How was the weather last January in Haikou?
Climate Change over Years
The climate in Haikou in January 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 January a good time to visit Haikou?
Can you sunbathe in Haikou in January?
Is Haikou rainy in January?
Is it sunny in Haikou in January?
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.
