World Resorts USA Kennebunkport Weather

Kennebunkport weather in May

Weather in Kennebunkport: May

Average day temperature: 61.1°F
Average night temperature: 49.9°F
Sea water temperature: 49.2°F
Number of sunny days: 10 days
Day length: 14.2 - 15.2 hours
Number of rainy days: 2 days
Precipitation totals: 0.7 in.

Air temperature in May, °F

Show year:
2025
2024
2023

The highest day temperature during May of 2025 was 76°F. At the same time the lowest night temperature was 42°F. Daily and nightly averages during May were 58.0°F and 49.2°F.

Sea water temperature in Kennebunkport in May, °F

Show year:
2025
2024
2023

The average sea water temperature in May of 2025 was 48.6°F. The highest and lowest sea temperatures during the month were 51.6°F and 44.2°F.

Sunny, partly cloudy and cloudy days

Mostly all days in May are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in May, in.

Precipitation total value in Kennebunkport in May is 0.7 in. Other months of the year show relatively similar values.

Wind speed in May, mph

The average wind speed value in May is 7.4 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 7.1.

Best time for vacation in Kennebunkport

Sunniest months:
November 15 days
October 14 days
September 14 days
Warmest months:
July 76.8 °F
August 75.5 °F
June 71.1 °F
Warmest sea temp:
August 65.8 °F
July 63.3 °F
September 62.5 °F
Coldest months:
January 31.9 °F
February 32.5 °F
December 36.5 °F
Rainiest months:
July 3 days
April 3 days
October 3 days
Windiest months:
March 8.8 mph
November 8.4 mph
December 8.4 mph

Kennebunkport on a weather map

Kennebunkport
+18°F
E 17 mph
Feels like: +1°F
Precip.: 0%
Places in USA:
Name
°F
+37°F
+75°F
+75°F
+63°F
+64°F
+73°F
+75°F
+68°F
+30°F
+79°F
+52°F
+64°F
+59°F
+55°F
+19°F
24 Hours Forecast
Kennebunkport
Local time: 15:02
December 30, tuesday
1800
18°F
E
16 mph
2100
18°F
E
16 mph
December 31, wednesday
0000
18°F
E
15 mph
0300
18°F
E
14 mph
0600
19°F
E
11 mph
0900
23°F
NE
10 mph
1200
28°F
NE
12 mph
1500
30°F
NE
11 mph
Units of measurement: °C / °F