The highest day temperature in January 2026 was 73°F. The lowest night temperature was 51°F. The average values for day and night temperatures during January were 69.0°F и 63.0°F respectivly.

The average sea surface temperature in January 2026 for Beihai was 66.9°F. The maximum and minimum values were 62.8°F and 70.4°F respectively.

Most of the days in January are gloomy but you can also expect sunny days.

Precipitation total in January for Beihai is 0.9 in. It makes january the least rainy month of the year.

The average wind speed in January is 11.6 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 Beihai in January is 4.8 hours.