World Resorts USA Jamestown Weather

Jamestown sea water temperature

Current sea water temperature:
+34.9°F
Minimum sea water temperature in February: 43.9°F
Maximum sea water temperature in February: 34.9°F
Average sea water temperature in February: 39.7°F

Sea water temperature for the last 10 days:

February 5 34.9°F January 31 36.0°F
February 4 36.1°F January 30 36.9°F
February 3 35.6°F January 29 36.9°F
February 2 36.0°F January 28 36.5°F
February 1 36.0°F January 27 37.0°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.

Best time for vacation in Jamestown

Sunniest months:
November 17 days
September 14 days
October 14 days
Warmest months:
July 79.1 °F
August 77.9 °F
June 73.0 °F
Warmest sea temp:
August 73.0 °F
July 72.4 °F
September 69.7 °F
Coldest months:
January 36.2 °F
February 37.9 °F
December 40.9 °F
Rainiest months:
March 3 days
October 3 days
April 3 days
Windiest months:
January 10.0 mph
December 10.0 mph
March 9.7 mph

Jamestown on a weather map

Jamestown
+18°F
S 6 mph
Feels like: +9°F
Precip.: 0%
Places in USA:
Name
°F
+19°F
+77°F
+77°F
+73°F
+75°F
+52°F
+55°F
+72°F
+16°F
+63°F
+66°F
+50°F
+46°F
+54°F
+27°F
24 Hours Forecast
Jamestown
Local time: 20:58
February 05, thursday
2100
18°F
S
6 mph
February 06, friday
0000
14°F
S
7 mph
0300
10°F
S
8 mph
0600
16°F
S
9 mph
0900
23°F
S
9 mph
1200
28°F
SW
6 mph
1500
30°F
W
4 mph
1800
30°F
W
3 mph
Units of measurement: °C / °F