Current sea water temperature:
+55.8°F
| Minimum sea water temperature in May: | 62.8°F |
| Maximum sea water temperature in May: | 46.6°F |
| Average sea water temperature in May: | 54.5°F |
| more information | |
14 days
forecast
forecast
| Jamestown |
monthly
weather
weather
| Jamestown |
Sea water temperature for the last 10 days:
| May 22 | 55.8°F | May 17 | 52.5°F |
| May 21 | 57.2°F | May 16 | 52.2°F |
| May 20 | 55.9°F | May 15 | 51.6°F |
| May 19 | 55.4°F | May 14 | 51.3°F |
| May 18 | 54.0°F | May 13 | 52.0°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
May
May
| Jamestown |
Best time for vacation in Jamestown
Jamestown on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Jamestown
Local time: 23:06
May 23, saturday
0000
50°F
NW
5 mph
5 mph
0300
48°F
SW
3 mph
3 mph
0600
50°F
SW
6 mph
6 mph
0900
55°F
W
9 mph
9 mph
1200
59°F
W
10 mph
10 mph
1500
57°F
NW
8 mph
8 mph
1800
54°F
NW
6 mph
6 mph
2100
52°F
NW
6 mph
6 mph
