Current sea water temperature:
+44.6°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: | 47.3°F |
| more information | |
14 days
forecast
forecast
| Jamestown |
monthly
weather
weather
| Jamestown |
Sea water temperature for the last 10 days:
| December 14 | 44.6°F | December 9 | 45.9°F |
| December 13 | 45.0°F | December 8 | 45.9°F |
| December 12 | 45.9°F | December 7 | 47.5°F |
| December 11 | 45.7°F | December 6 | 47.8°F |
| December 10 | 46.0°F | December 5 | 48.2°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: 01:40
December 15, monday
0300
16°F
SE
17 mph
17 mph
0600
14°F
SE
17 mph
17 mph
0900
18°F
SE
16 mph
16 mph
1200
27°F
SE
15 mph
15 mph
1500
28°F
SE
16 mph
16 mph
1800
28°F
E
14 mph
14 mph
2100
28°F
E
9 mph
9 mph
December 16, tuesday
0000
28°F
E
11 mph
11 mph
