The highest day temperature in May 2023 was 74°F. The lowest night temperature was 27°F. The average values for day and night temperatures during May were 60.7°F и 43.5°F respectivly.

The average sea surface temperature in May 2023 for Shlisselburg was 46.8°F. The maximum and minimum values were 37.8°F and 56.4°F respectively.

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

Precipitation total in May for Shlisselburg is 0.9 in.

The average wind speed in May is 7.8 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 Shlisselburg in May is 8.1 hours.