The highest day temperature in December 2025 was 62°F. The lowest night temperature was 25°F. The average values for day and night temperatures during December were 49.9°F и 44.2°F respectivly.

The average sea surface temperature in December 2025 for Primorskoe was 59.1°F. The maximum and minimum values were 55.0°F and 62.2°F respectively.

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

Precipitation total in December for Primorskoe is 1.8 in.

The average wind speed in December is 5.7 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 Primorskoe in December is 4.5 hours.