World Resorts USA Kennebunkport Weather

Kennebunkport weather in August

Weather in Kennebunkport: August

Average day temperature: 75.5°F
Average night temperature: 64.0°F
Sea water temperature: 65.8°F
Number of sunny days: 12 days
Day length: 13.2 - 14.5 hours
Number of rainy days: 2 days
Precipitation totals: 1.0 in.

Air temperature in August, °F

Show year:
2025
2024
2023

The highest day temperature during August of 2025 was 87°F. At the same time the lowest night temperature was 53°F. Daily and nightly averages during August were 76.4°F and 61.2°F.

Sea water temperature in Kennebunkport in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 64.1°F. The highest and lowest sea temperatures during the month were 67.5°F and 62.2°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in August is almost equal.

Precipitation total in August, in.

Precipitation total value in Kennebunkport in August is 1.0 in. Other months of the year show relatively similar values.

Wind speed in August, mph

The average wind speed value in August is 6.0 mph It makes August lest windy month of the year.

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 August is: 7.8.

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 37.3 °F
Rainiest months:
July 3 days
April 3 days
October 3 days
Windiest months:
March 8.8 mph
November 8.4 mph
April 8.4 mph

Kennebunkport on a weather map

Kennebunkport
+7°F
E 6 mph
Feels like: -2°F
Precip.: 0%
Places in USA:
Name
°F
+28°F
+75°F
+75°F
+39°F
+50°F
+66°F
+77°F
+70°F
+19°F
+52°F
+46°F
+63°F
+61°F
+45°F
+3°F
24 Hours Forecast
Kennebunkport
Local time: 04:39
December 05, friday
0600
7°F
E
6 mph
0900
12°F
E
6 mph
1200
23°F
NE
7 mph
1500
28°F
NE
9 mph
1800
28°F
NE
6 mph
2100
23°F
NE
7 mph
December 06, saturday
0000
21°F
NE
7 mph
0300
19°F
NE
5 mph
Units of measurement: °C / °F