SW 3 mph
Feels like: 86°F
Precip: 78%
World Resorts China Hainan Weather May Weather in Hainan

Hainan Weather: May

Average Day Temperature: 93.8°F
Average Night Temperature: 75.7°F
Sea Water Temperature: 88.2°F
Number of Sunny Days: 12 days
Sunshine Hours: 12.8 - 13.2 hours
Number of Rainy Days: 15 days
Precipitation Totals: 7.5 in

Air Temperature in May, °F

Select Year: 2023 2022 2021

The highest day temperature in May 2023 was 111°F. The lowest night temperature was 71°F. The average values for day and night temperatures during May were 97.3°F и 76.1°F respectivly.

Hainan Water Sea Temperature in May, °F

Select Year: 2024 2023 2022

The average sea surface temperature in May 2023 for Hainan was 88.7°F. The maximum and minimum values were 85.2°F and 91.0°F respectively.

Sunny, Cloudy and Gloomy days

You can expect various weather conditions during May. Be ready for sunny, cloudy or even gloomy days.

Precipitation Totals in May, in

Precipitation total in May for Hainan is 7.5 in.

Wind Speed in May, mph

The average wind speed in May is 3.8 mph. This value is relatively stable throughout the year.

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 Hainan in May is 7.7 hours.

Best Time to Visit Hainan
The most sunny months:
June 13 days
May 12 days
April 11 days
The most warm months:
June 94.6 °F
May 93.8 °F
July 93.7 °F
Warmest sea temperature:
July 90.7 °F
June 90.4 °F
August 90.3 °F
The most cold months:
December 71.5 °F
January 72.1 °F
February 77.2 °F
The most rainy months:
August 16 days
September 16 days
July 15 days
The most windy months:
March 4 mph
April 4 mph
October 4 mph

Hainan on the Weather Map

China Resorts:
Beidaihe +58
Beijing +78
Dadunhai +86
Dalian +64
Guangzhou +76
Hainan +80
Hangzhou +74
Hong Kong +76
Macau +80
Quingdao +66
Sanya +86
Shanghai +74
Shenzhen +78
Weihai +60
Yalong Bay +86
24 Hours Weather Forecast
Local time: 20:29
20 may, monday
2100 80°F
3 mph
21 may, tuesday
0000 78°F
2 mph
0300 78°F
2 mph
0600 78°F
2 mph
0900 82°F
2 mph
1200 84°F
2 mph
1500 80°F
4 mph
1800 80°F
3 mph