Current sea water temperature:
+36.3°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: | 39.4°F |
| more information | |
14 days
forecast
forecast
| Dennis Port |
monthly
weather
weather
| Dennis Port |
Sea water temperature for the last 10 days:
| January 12 | 36.3°F | January 7 | 37.4°F |
| January 11 | 36.0°F | January 6 | 37.2°F |
| January 10 | 35.4°F | January 5 | 36.3°F |
| January 9 | 34.7°F | January 4 | 35.6°F |
| January 8 | 35.4°F | January 3 | 35.4°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: 10:55
January 12, monday
1200
37°F
E
24 mph
24 mph
1500
39°F
E
17 mph
17 mph
1800
39°F
NE
15 mph
15 mph
2100
37°F
NE
14 mph
14 mph
January 13, tuesday
0000
36°F
E
15 mph
15 mph
0300
36°F
E
14 mph
14 mph
0600
34°F
E
12 mph
12 mph
0900
36°F
E
12 mph
12 mph
