The highest day temperature in January 2025 was 81°F. The lowest night temperature was 53°F. The average values for day and night temperatures during January were 76.7°F и 63.6°F respectivly.

The average sea surface temperature in January 2025 for Sanya was 76.2°F. The maximum and minimum values were 74.6°F and 77.8°F respectively.

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

Precipitation total in January for Sanya is 0.3 in. It makes january one of the least rainy months of the year.

The average wind speed in January is 8.4 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 January is 6.8 hours.