25.12
thu
thu
Day
41°F
NE 19 mph
Precip.
0%
0%
Night
25°F
S 17 mph
Precip.
0%
0%
26.12
fri
fri
Day
21°F
S 9 mph
Precip.
0%
0%
Night
23°F
S 7 mph
Precip.
0%
0%
27.12
sat
sat
Day
32°F
S 14 mph
Precip.
0%
0%
Night
21°F
S 7 mph
Precip.
0%
0%
28.12
sun
sun
Day
32°F
E 7 mph
Precip.
0%
0%
Night
36°F
NE 12 mph
Precip.
0%
0%
29.12
mon
mon
Day
41°F
E 17 mph
Precip.
100%
100%
Night
25°F
E 22 mph
Precip.
28%
28%
30.12
tue
tue
Day
27°F
E 20 mph
Precip.
0%
0%
Night
25°F
E 17 mph
Precip.
0%
0%
31.12
wed
wed
Day
30°F
E 13 mph
Precip.
0%
0%
Night
34°F
E 14 mph
Precip.
0%
0%
sea water
temperature
temperature
| Jamestown |
monthly
weather
weather
| Jamestown |
current
weather
weather
| Jamestown |
14 days
forecast
forecast
| Jamestown |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 45.3°F. The highest and lowest sea temperatures during the month were 49.5°F and 41.9°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 41.1°F. The highest and lowest sea temperatures during the month were 46.6°F and 37.8°F.
Air temperature in Jamestown, °F
Precipitation total in Jamestown, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Jamestown
Jamestown on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Jamestown
Local time: 11:44
December 25, thursday
1200
41°F
NE
19 mph
19 mph
1500
43°F
E
14 mph
14 mph
1800
37°F
SE
15 mph
15 mph
2100
30°F
SE
19 mph
19 mph
December 26, friday
0000
25°F
S
17 mph
17 mph
0300
21°F
S
17 mph
17 mph
0600
18°F
S
16 mph
16 mph
0900
19°F
S
14 mph
14 mph
