Haikou Weather: May
 |
Average Day Temperature: | 93.2°F |
|
Average Night Temperature: | 82.0°F |
|
Sea Water Temperature: | 84.2°F |
|
Number of Sunny Days: | 14 days |
| Sunshine Hours: | 12.9 - 13.3 hours | |
|
Number of Rainy Days: | 8 days |
| Precipitation Totals: | 4.2 in | |
| detailed information | ||
14 day weather
forecast
forecast
| Haikou |
Sea Water
Temperature
Temperature
| Haikou |
Air Temperature in May, °F
The highest day temperature in May 2025 was 97°F. The lowest night temperature was 76°F. The average values for day and night temperatures during May were 89.5°F и 80.8°F respectivly.
Haikou Water Sea Temperature in May, °F
The average sea surface temperature in May 2025 for Haikou was 84.0°F. The maximum and minimum values were 80.8°F and 86.2°F respectively.
Sunny, Cloudy and Gloomy days
Most of the days in May are sunny but you can also expect cloudy and gloomy days.
Precipitation Totals in May, in
Precipitation total in May for Haikou is 4.2 in.
Wind Speed in May, mph
The average wind speed in May is 8.5 mph. It makes May one of the most windless months of the year for Haikou.
Average Sunny Hours Per Day
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Haikou in May is 8.3 hours.
Haikou on the Weather Map
China Resorts:
NAME
F°
| Beidaihe |  |
+84 |
| Beijing |  |
+92 |
| Dadunhai | |
+88 |
| Dalian | |
+82 |
| Guangzhou | |
+92 |
| Hainan | |
+84 |
| Hong Kong | |
+88 |
| Macau | |
+88 |
| Quingdao | |
+80 |
| Sanya | |
+88 |
| Shanghai |  |
+80 |
| Shenzhen | |
+90 |
| Weihai | |
+78 |
| Yalong Bay | |
+88 |
| Yantai | |
+78 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Haikou
Local time: 09:22
25 jun, wednesday
| 1200 |  |
92°F | SW 12 mph |
| 1500 | |
92°F | SW 16 mph |
| 1800 |  |
88°F | W 13 mph |
| 2100 |  |
84°F | W 7 mph |
26 jun, thursday
| 0000 | |
84°F | SW 4 mph |
| 0300 | |
80°F | W 3 mph |
| 0600 | |
80°F | SE 7 mph |
| 0900 | |
80°F | E 10 mph |