The highest day temperature in May 2023 was 86°F. The lowest night temperature was 36°F. The average values for day and night temperatures during May were 65.4°F и 48.8°F respectivly.

The average sea surface temperature in May 2023 for Kennebunkport was 50.1°F. The maximum and minimum values were 45.0°F and 54.8°F respectively.

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

Precipitation total in May for Kennebunkport is 0.8 in. It makes may the least rainy month of the year.

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 Kennebunkport in May is 8.2 hours.