World Resorts USA Kennebunkport Weather

Kennebunkport weather in August

Weather in Kennebunkport: August

Average day temperature: 76.5°F
Average night temperature: 63.9°F
Sea water temperature: 65.8°F
Number of sunny days: 13 days
Day length: 13.2 - 14.5 hours
Number of rainy days: 2 days
Precipitation totals: 0.9 in.

Air temperature in August, °F

Show year:
2026
2025
2024

The highest day temperature during August of 2026 was 92°F. At the same time the lowest night temperature was 56°F. Daily and nightly averages during August were 82.4°F and 63.6°F.

Sea water temperature in Kennebunkport in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 65.8°F. The highest and lowest sea temperatures during the month were 69.1°F and 62.1°F.

Sunny, partly cloudy and cloudy days

Mostly all days in August are sunny but cloudy days are also possible.

Precipitation total in August, in.

Precipitation total value in Kennebunkport in August is 0.9 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: 8.0.

Best time for vacation in Kennebunkport

Sunniest months:
November 15 days
September 14 days
October 14 days
Warmest months:
July 77.9 °F
August 76.5 °F
June 71.8 °F
Warmest sea temp:
August 65.8 °F
July 63.2 °F
September 62.5 °F
Coldest months:
January 31.4 °F
February 32.3 °F
December 36.4 °F
Rainiest months:
July 3 days
October 3 days
April 3 days
Windiest months:
March 8.7 mph
November 8.4 mph
December 8.4 mph

Kennebunkport on a weather map

Kennebunkport
+46°F
S 6 mph
Feels like: +43°F
Precip.: 6%
Places in USA:
Name
°F
+55°F
+64°F
+79°F
+75°F
+70°F
+81°F
+63°F
+63°F
+68°F
+59°F
+68°F
+73°F
+81°F
+64°F
24 Hours Forecast
Kennebunkport
Local time: 05:18
September 19, saturday
0600
46°F
S
6 mph
0900
54°F
S
6 mph
1200
63°F
S
4 mph
1500
64°F
NW
6 mph
1800
55°F
N
7 mph
2100
48°F
NE
5 mph
September 20, sunday
0000
46°F
NE
5 mph
0300
46°F
NE
4 mph
Units of measurement: °C / °F