Current sea water temperature:
+43.5°F
| Minimum sea water temperature in December: | 50.5°F |
| Maximum sea water temperature in December: | 41.7°F |
| Average sea water temperature in December: | 45.8°F |
| more information | |
14 days
forecast
forecast
| Kennebunkport |
monthly
weather
weather
| Kennebunkport |
Sea water temperature for the last 10 days:
| December 16 | 43.5°F | December 11 | 45.1°F |
| December 15 | 44.6°F | December 10 | 45.3°F |
| December 14 | 44.6°F | December 9 | 45.3°F |
| December 13 | 44.4°F | December 8 | 45.7°F |
| December 12 | 44.6°F | December 7 | 45.9°F |
Monthly sea water temperature, °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:
2025
2024
2023
The average sea water temperature in July of 2025 was 63.2°F. The highest and lowest sea temperatures during the month were 68.0°F and 60.4°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.
current
weather
weather
| Kennebunkport |
weather in
December
December
| Kennebunkport |
Best time for vacation in Kennebunkport
Kennebunkport on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Kennebunkport
Local time: 09:05
December 16, tuesday
1200

32°F
E
4 mph
4 mph
1500

36°F
NE
8 mph
8 mph
1800

32°F
NE
5 mph
5 mph
2100

30°F
NE
9 mph
9 mph
December 17, wednesday
0000

28°F
NE
11 mph
11 mph
0300

27°F
NE
12 mph
12 mph
0600

27°F
NE
14 mph
14 mph
0900

30°F
NE
14 mph
14 mph





























