The highest day temperature in May 2023 was 73°F. The lowest night temperature was 29°F. The average values for day and night temperatures during May were 57.7°F и 43.7°F respectivly.

The average sea surface temperature in May 2023 for Lappeenranta was 47.2°F. The maximum and minimum values were 37.6°F and 59.2°F respectively.

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

Precipitation total in May for Lappeenranta is 1.9 in.

The average wind speed in May is 7.7 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 Lappeenranta in May is 9.5 hours.