The highest day temperature in May 2025 was 74°F. The lowest night temperature was 47°F. The average values for day and night temperatures during May were 64.5°F и 57.3°F respectivly.

The average sea surface temperature in May 2025 for Primorsk was 63.0°F. The maximum and minimum values were 57.2°F and 68.8°F respectively.

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

Precipitation total in May for Primorsk is 1.1 in.

The average wind speed in May is 11.0 mph. It makes May one of the most windless months of the year for Primorsk.

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 Primorsk in May is 10.5 hours.