The highest day temperature in January 2025 was 41°F. The lowest night temperature was 24°F. The average values for day and night temperatures during January were 33.5°F и 32.9°F respectivly.

The average sea surface temperature in January 2025 for Weihai was 37.7°F. The maximum and minimum values were 34.4°F and 40.2°F respectively.

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

Precipitation total in January for Weihai is 0.5 in. It makes january the least rainy month of the year.

The average wind speed in January is 13.6 mph. It makes January one of the most windy months of the year for Weihai.

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 Weihai in January is 6.1 hours.