World Resorts

Best place for vacation: Hainan or Samui?

Choosing between Hainan and Samui? Check weather condition for both resorts to understand which one is better for you.
Please check current weather condition and two weeks weather forecast.
  Hainan   Samui
Current weather
Day air temperature 23.7°C 27.3°C
Night air temperature 18.8°C 27.1°C
Cloudiness 48.9% 34.3%
Sea water temperature * 18.6°C 27.4°C
Rainy days / Precipitation total 0 days 1 day (11.0 mm.)
Sunny hours ** 6 h. 51 min. 8 h. 45 min.
7 days forecast 7 days forecast
* Sea water temperature values are collected within last 24 hours.
** Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.
What is the best time for you vacation?
On a charts below you can compare air temperature, sea water temperature and precipitations at selected resorts. Values are calculated based on the data for the last three years.

Monthly air temperature, °C

Air temperature:

Monthly sea water temperature, °C

Monthly precipitation totals, mm

So what is the best time for vacation at Hainan or Samui?
Please check table below to find warmest and sunniest resorts that are good for swimming and sunbathing.


Sunniest months:
June 13 days
May 12 days
July 10 days
Warmest months:
June 32.2 °C
May 31.7 °C
July 31.7 °C
Warmest sea temp:
July 30.2 °C
June 30.2 °C
August 30.1 °C
Rainiest months:
August 17 days
July 16 days
May 16 days


Sunniest months:
April 18 days
May 17 days
March 16 days
Warmest months:
May 31.6 °C
June 31.4 °C
July 31.0 °C
Warmest sea temp:
May 30.8 °C
June 30.3 °C
April 30.3 °C
Rainiest months:
November 16 days
October 12 days
December 11 days