Current sea water temperature:
+34.7°F
| Minimum sea water temperature in January: | 44.8°F |
| Maximum sea water temperature in January: | 33.1°F |
| Average sea water temperature in January: | 39.6°F |
| more information | |
14 days
forecast
forecast
| Dennis Port |
monthly
weather
weather
| Dennis Port |
Sea water temperature for the last 10 days:
| January 2 | 34.7°F | December 28 | 39.4°F |
| January 1 | 36.9°F | December 27 | 39.6°F |
| December 31 | 35.6°F | December 26 | 39.7°F |
| December 30 | 39.2°F | December 25 | 39.2°F |
| December 29 | 38.5°F | December 24 | 39.2°F |
Monthly sea water temperature, °F
When is the warmest sea in Dennis Port?
Based on the data about daily sea water temperature for the last three years the warmest sea in Dennis Port was noticed in August, July and September.
Monthly Sea Temperatures in Dennis Port, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 71.4°F. The highest and lowest sea temperatures during the month were 74.5°F and 68.5°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 70.3°F. The highest and lowest sea temperatures during the month were 73.6°F and 65.7°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 68.5°F. The highest and lowest sea temperatures during the month were 71.2°F and 66.6°F.
current
weather
weather
| Dennis Port |
weather in
January
January
| Dennis Port |
Best time for vacation in Dennis Port
Dennis Port on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Dennis Port
Local time: 07:08
January 02, friday
0900
19°F
E
17 mph
17 mph
1200
25°F
E
17 mph
17 mph
1500
30°F
E
17 mph
17 mph
1800
30°F
E
16 mph
16 mph
2100
27°F
E
15 mph
15 mph
January 03, saturday
0000
27°F
E
16 mph
16 mph
0300
27°F
E
16 mph
16 mph
0600
25°F
E
16 mph
16 mph
