The highest day temperature in March 2025 was 88°F. The lowest night temperature was 64°F. The average values for day and night temperatures during March were 81.9°F и 71.0°F respectivly.

The average sea surface temperature in March 2025 for Sanya was 77.2°F. The maximum and minimum values were 74.4°F and 79.4°F respectively.

Most of the days in March are cloudy but you can also expect sunny or gloomy days.

Precipitation total in March for Sanya is 0.5 in. It makes march one of the least rainy months of the year.

The average wind speed in March is 7.7 mph. This value is relatively stable throughout the year.

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 Sanya in March is 7.2 hours.