Current sea water temperature:
+42.1°F
| Minimum sea water temperature in December: | 55.0°F |
| Maximum sea water temperature in December: | 40.8°F |
| Average sea water temperature in December: | 47.0°F |
| more information | |
14 days
forecast
forecast
| Jamestown |
monthly
weather
weather
| Jamestown |
Sea water temperature for the last 10 days:
| December 26 | 42.1°F | December 21 | 41.9°F |
| December 25 | 42.4°F | December 20 | 43.3°F |
| December 24 | 42.6°F | December 19 | 41.9°F |
| December 23 | 42.6°F | December 18 | 43.0°F |
| December 22 | 43.3°F | December 17 | 43.9°F |
Monthly sea water temperature, °F
When is the warmest sea in Jamestown?
Based on the data about daily sea water temperature for the last three years the warmest sea in Jamestown was noticed in August, July and September.
Monthly Sea Temperatures in Jamestown, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 70.7°F. The highest and lowest sea temperatures during the month were 74.1°F and 67.1°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 71.0°F. The highest and lowest sea temperatures during the month were 73.9°F and 67.3°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 68.7°F. The highest and lowest sea temperatures during the month were 70.0°F and 67.6°F.
current
weather
weather
| Jamestown |
weather in
December
December
| Jamestown |
Best time for vacation in Jamestown
Jamestown on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Jamestown
Local time: 22:38
December 27, saturday
0000
21°F
SW
9 mph
9 mph
0300
21°F
SW
12 mph
12 mph
0600
21°F
SW
11 mph
11 mph
0900
25°F
SW
11 mph
11 mph
1200
30°F
SW
12 mph
12 mph
1500
32°F
S
11 mph
11 mph
1800
32°F
S
6 mph
6 mph
2100
28°F
S
4 mph
4 mph
