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When is the best time to visit Haikou?
In general the best time to visit Haikou is probably July, when the weather is usually great. The hottest months are June, July, August, while the coldest months are January, February, December.
But ultimately the best time to visit depends on what you want to do:
- The best time for a sunbathing holiday is June, July, August. Average maximum temperatures are up to +32°C in July and it has 2 sunny days on average.
- In general, it’s pleasant to walk and do outdoor activities during January - December.
- If you want to avoid wet weather, then your choice is March, April, May with the lowest chance of rain.
Average weather in Haikou in different months
This is the average weather in Haikou for each month based on historic data:
In January, February, March, April, May, June, July, August, September, October, November, December the weather is average. Expect around 217 rainy days, and the precipitation amounts to approximately 215 mm in September.
Climate in Haikou
Here is the detailed breakdown of the climate in Haikou for each month:
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum Temperature | |||||||||||
| +28°C | +32°C | +34°C | +37°C | +36°C | +37°C | +37°C | +35°C | +34°C | +32°C | +33°C | +31°C |
| Average Maximum Temperature | |||||||||||
| +20°C | +21°C | +25°C | +28°C | +30°C | +31°C | +32°C | +31°C | +30°C | +28°C | +25°C | +21°C |
| Minimum Temperature | |||||||||||
| +5°C | +8°C | +8°C | +15°C | +19°C | +22°C | +22°C | +23°C | +21°C | +14°C | +10°C | +6°C |
| Avg. water temperature | |||||||||||
| - | - | - | - | - | - | - | - | - | - | - | - |
| Humidity, % | |||||||||||
| 83 | 85 | 85 | 85 | 85 | 83 | 82 | 83 | 83 | 80 | 79 | 79 |
| Rain, mm | |||||||||||
| 28 | 38 | 35 | 75 | 133 | 143 | 163 | 213 | 215 | 172 | 58 | 30 |
| Snow, mm | |||||||||||
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Average wind speed, m/s | |||||||||||
| 4 | 4 | 4 | 3 | 2 | 2 | 3 | 2 | 3 | 4 | 4 | 4 |
| Sunny Days | |||||||||||
| 4 | 3 | 5 | 3 | 2 | 1 | 2 | 1 | 2 | 4 | 5 | 6 |
| Cloud Days | |||||||||||
| 16 | 12 | 12 | 8 | 5 | 5 | 5 | 4 | 3 | 7 | 11 | 14 |
| Rainy Days | |||||||||||
| 12 | 13 | 15 | 18 | 22 | 22 | 22 | 24 | 24 | 20 | 14 | 11 |
| Snowy Days | |||||||||||
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Average Temperature
Here are the average maximum and minimum temperatures in Haikou during the whole year:
The hottest month in Haikou is July with average maximum temperature going up to +32°C. The coldest month is January with the lowest temperatures of +16°C.
Humidity
The temperature feels different depending on humidity. Here is how humidity in Haikou looks throughout the year, in %:
The most humid month in Haikou is May with average humidity going up to 85%. The least humid month is November with an average humidity of 79%.
Rain
Amount of rainfall in mm. in Haikou during the whole year based on historical data:
The sunniest and driest month is December with approximately 6 sunny days and a total precipitation of around 30 mm. The rainiest and wettest month is September with approximately 24 rainy days and 215 mm of total precipitation.
FAQ
Frequently asked questions about the weather in Haikou:
What is the hottest month in Haikou?
The hottest month in Haikou is July with average maximum temperature of +32°C.
What is the coldest month in Haikou?
The coldest month in Haikou is January with minimum temperatures of +16°C.
Is Haikou worth visiting in winter?
Winter in Haikou could be a good time to visit, as the weather is generally ok.
When does it rain the least in Haikou?
if you're looking to visit Haikou when it rains the least, you should plan your trip for September, August, October. During this time, rainfall is rare with the driest month being January with only 28 mm of rain.
Other cities in China
Check out the weather for 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.
