Average sea water temperature in December:
+45.9°F
| Minimum sea water temperature in December: | 50.7°F |
| Maximum sea water temperature in December: | 41.9°F |
Daily sea water temperature in December, °F
Show year:
2023
2022
2021
The average sea water temperature in December of 2023 was 46.0°F. The highest and lowest sea temperatures during the month were 48.9°F and 42.8°F.
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Monthly sea water temperature in Portsmouth, °F
Which USA resorts have warmest sea in December?
| Place name | December 2023 | December 2022 |
|---|---|---|
| Kailua Kona | 79.1°F | 78.7°F |
| West Palm Beach | 79.0°F | 79.3°F |
| Fort Lauderdale | 78.2°F | 79.0°F |
| Honolulu | 77.9°F | 77.7°F |
| Kauai | 77.9°F | 77.1°F |
| Hawaii | 77.8°F | 77.7°F |
| Maui | 77.6°F | 77.4°F |
| Oahu | 76.9°F | 77.4°F |
| Miami Beach | 76.6°F | 77.9°F |
| Port St. Lucie | 75.0°F | 74.2°F |
| Key West | 74.9°F | 76.8°F |
| Miami | 74.5°F | 76.3°F |
| Marco Island | 70.0°F | 72.9°F |
| Naples | 69.8°F | 72.6°F |
| Cape Coral | 68.9°F | 71.8°F |
| Cocoa Beach | 68.1°F | 70.8°F |
| South Padre Island | 67.9°F | 66.9°F |
| Siesta Key | 66.9°F | 70.3°F |
| Sarasota | 66.8°F | 70.1°F |
| Orlando | 66.4°F | 69.3°F |
Best time for vacation in Portsmouth
Portsmouth on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Portsmouth
Local time: 15:49
November 21, thursday
1800
45°F
SW
16 mph
16 mph
2100
45°F
SW
17 mph
17 mph
November 22, friday
0000
45°F
W
19 mph
19 mph
0300
45°F
W
23 mph
23 mph
0600
46°F
W
21 mph
21 mph
0900
48°F
N
14 mph
14 mph
1200
48°F
N
10 mph
10 mph
1500
48°F
NW
10 mph
10 mph
