The highest day temperature in July 2025 was 88°F. The lowest night temperature was 47°F. The average values for day and night temperatures during July were 73.8°F и 61.5°F respectivly.

The average sea surface temperature in July 2025 for Petrozavodsk was 63.9°F. The maximum and minimum values were 53.8°F and 78.4°F respectively.

You can expect various weather conditions during July. Be ready for sunny, cloudy or even gloomy days.

Precipitation total in July for Petrozavodsk is 2.7 in. It makes july one of the most rainy months of the year.

The average wind speed in July is 6.5 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 Petrozavodsk in July is 10.5 hours.