The highest day temperature in March 2026 was 74°F. The lowest night temperature was 6°F. The average values for day and night temperatures during March were 42.9°F и 30.6°F respectivly.

The average sea surface temperature in March 2026 for Kennebunkport was 35.6°F. The maximum and minimum values were 34.6°F and 37.2°F respectively.

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

Precipitation total in March for Kennebunkport is 1.1 in. It makes march one of the most rainy months of the year.

The average wind speed in March is 8.7 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 March is 5.8 hours.