Current sea water temperature:
+45.7°F
| Minimum sea water temperature in December: | 50.7°F |
| Maximum sea water temperature in December: | 41.9°F |
| Average sea water temperature in December: | 46.0°F |
| more information | |
14 days
forecast
forecast
| Portsmouth |
monthly
weather
weather
| Portsmouth |
Sea water temperature for the last 10 days:
| December 21 | 45.7°F | December 16 | 45.5°F |
| December 20 | 45.5°F | December 15 | 45.7°F |
| December 19 | 45.1°F | December 14 | 45.5°F |
| December 18 | 45.5°F | December 13 | 46.2°F |
| December 17 | 45.3°F | December 12 | 46.8°F |
Monthly sea water temperature, °F
When is the warmest sea in Portsmouth?
Based on the data about daily sea water temperature for the last three years the warmest sea in Portsmouth was noticed in August, July and September.
Monthly Sea Temperatures in Portsmouth, °F
Sea water temperature in August, °F
Show year:
2024
2023
2022
The average sea water temperature in August of 2024 was 64.3°F. The highest and lowest sea temperatures during the month were 66.6°F and 61.9°F.
Sea water temperature in July, °F
Show year:
2024
2023
2022
The average sea water temperature in July of 2024 was 61.1°F. The highest and lowest sea temperatures during the month were 64.8°F and 57.0°F.
Sea water temperature in September, °F
Show year:
2024
2023
2022
The average sea water temperature in September of 2024 was 61.2°F. The highest and lowest sea temperatures during the month were 64.9°F and 58.6°F.
current
weather
weather
| Portsmouth |
weather in
December
December
| Portsmouth |
Best time for vacation in Portsmouth
Portsmouth on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Portsmouth
Local time: 22:43
December 22, sunday
0000
18°F
SE
13 mph
13 mph
0300
14°F
SE
13 mph
13 mph
0600
12°F
SE
12 mph
12 mph
0900
12°F
SE
9 mph
9 mph
1200
19°F
SE
8 mph
8 mph
1500
23°F
SE
7 mph
7 mph
1800
23°F
SE
6 mph
6 mph
2100
18°F
SE
6 mph
6 mph
