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.
sea water
temperature
temperature
| Portsmouth |
monthly
weather
weather
| Portsmouth |
current
weather
weather
| Portsmouth |
14 days
forecast
forecast
| Portsmouth |
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 |
| Kihei | 77.3°F | 77.2°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 |
| Key West | 72.7°F | 73.4°F |
| Everglades | 71.6°F | 71.0°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 |
Best time for vacation in Portsmouth
Portsmouth on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Portsmouth
Local time: 04:39
December 22, sunday
0600
12°F
SE
12 mph
12 mph
0900
12°F
SE
10 mph
10 mph
1200
19°F
SE
8 mph
8 mph
1500
23°F
SE
8 mph
8 mph
1800
23°F
SE
6 mph
6 mph
2100
18°F
SE
6 mph
6 mph
December 23, monday
0000
14°F
SE
5 mph
5 mph
0300
14°F
SE
4 mph
4 mph
