The highest day temperature in May 2024 was 86°F. The lowest night temperature was 26°F. The average values for day and night temperatures during May were 68.3°F и 48.1°F respectivly.

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

Precipitation total in May for Hameenlinna is 1.5 in.

The average wind speed in May is 7.1 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 Hameenlinna in May is 9.7 hours.