Average sea water temperature in January:
+41.8°F
| Minimum sea water temperature in January: | 45.9°F |
| Maximum sea water temperature in January: | 39.4°F |
Daily sea water temperature in January, °F
Show year:
2024
2023
2022
The average sea water temperature in January of 2024 was 41.4°F. The highest and lowest sea temperatures during the month were 43.0°F and 39.6°F.
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Monthly sea water temperature in Portsmouth, °F
Which USA resorts have warmest sea in January?
| Place name | January 2024 | January 2023 |
|---|---|---|
| Kailua Kona | 77.6°F | 77.6°F |
| Maui | 76.8°F | 76.7°F |
| Honolulu | 76.6°F | 77.4°F |
| West Palm Beach | 76.5°F | 77.2°F |
| Hawaii | 76.5°F | 77.3°F |
| Kauai | 76.0°F | 76.9°F |
| Fort Lauderdale | 75.9°F | 76.6°F |
| Oahu | 75.6°F | 76.9°F |
| Miami Beach | 74.8°F | 74.9°F |
| Miami | 73.1°F | 72.3°F |
| Port St. Lucie | 72.7°F | 72.2°F |
| Key West | 72.7°F | 73.4°F |
| Marco Island | 67.2°F | 67.6°F |
| Naples | 66.8°F | 67.2°F |
| Cape Coral | 66.2°F | 67.4°F |
| Cocoa Beach | 65.7°F | 68.0°F |
| South Padre Island | 64.8°F | 64.1°F |
| Siesta Key | 63.4°F | 64.4°F |
| Sarasota | 63.2°F | 64.3°F |
| Tampa | 63.0°F | 63.9°F |
Best time for vacation in Portsmouth
Portsmouth on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Portsmouth
Local time: 00:44
November 05, tuesday
0300
46°F
NE
9 mph
9 mph
0600
48°F
NE
9 mph
9 mph
0900
52°F
NE
9 mph
9 mph
1200
61°F
NE
11 mph
11 mph
1500
68°F
NE
11 mph
11 mph
1800
64°F
NE
7 mph
7 mph
2100
61°F
NE
11 mph
11 mph
November 06, wednesday
0000
59°F
NE
12 mph
12 mph
