World Resorts USA Kennebunkport Weather

Kennebunkport sea water temperature

Current sea water temperature:
+57.9°F
Minimum sea water temperature in July: 70.3°F
Maximum sea water temperature in July: 56.5°F
Average sea water temperature in July: 63.4°F

Sea water temperature for the last 10 days:

July 21 57.9°F July 16 64.0°F
July 20 59.7°F July 15 66.4°F
July 19 62.2°F July 14 66.6°F
July 18 62.4°F July 13 66.6°F
July 17 63.0°F July 12 65.5°F

When is the warmest sea in Kennebunkport?

Based on the data about daily sea water temperature for the last three years the warmest sea in Kennebunkport was noticed in August, July and September.

Monthly Sea Temperatures in Kennebunkport, °F

Sea water temperature 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.

Sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 63.7°F. The highest and lowest sea temperatures during the month were 66.6°F and 57.9°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 62.2°F. The highest and lowest sea temperatures during the month were 64.0°F and 59.7°F.

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 71.8 °F
Warmest sea temp:
August 65.8 °F
July 63.4 °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
+72°F
N 7 mph
Feels like: +72°F
Precip.: 3%
Places in USA:
Name
°F
+73°F
+81°F
+77°F
+86°F
+66°F
+86°F
+72°F
+84°F
+75°F
+68°F
+55°F
+68°F
+84°F
+79°F
+75°F
24 Hours Forecast
Kennebunkport
Local time: 09:25
July 21, tuesday
1200
79°F
N
12 mph
1500
81°F
N
14 mph
1800
77°F
NW
11 mph
2100
63°F
NW
9 mph
July 22, wednesday
0000
64°F
NW
9 mph
0300
66°F
N
7 mph
0600
66°F
N
9 mph
0900
70°F
NE
9 mph
Units of measurement: °C / °F