The highest day temperature in May 2023 was 76°F. The lowest night temperature was 27°F. The average values for day and night temperatures during May were 59.4°F и 43.3°F respectivly.

The average sea surface temperature in May 2023 for Imatra was 43.2°F. The maximum and minimum values were 32.2°F and 55.4°F respectively.

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

Precipitation total in May for Imatra is 2.1 in. It makes may one of the least rainy months of the year.

The average wind speed in May is 7.0 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 Imatra in May is 9.5 hours.