World Resorts USA Plymouth Weather

Plymouth sea water temperature

Current sea water temperature:
+34.0°F
Minimum sea water temperature in February: 42.4°F
Maximum sea water temperature in February: 32.5°F
Average sea water temperature in February: 37.4°F

Sea water temperature for the last 10 days:

February 26 34.0°F February 21 34.0°F
February 25 34.5°F February 20 34.9°F
February 24 34.5°F February 19 33.8°F
February 23 34.3°F February 18 33.8°F
February 22 34.0°F February 17 33.6°F

When is the warmest sea in Plymouth?

Based on the data about daily sea water temperature for the last three years the warmest sea in Plymouth was noticed in August, July and September.

Monthly Sea Temperatures in Plymouth, °F

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 67.4°F. The highest and lowest sea temperatures during the month were 70.9°F and 64.9°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 66.9°F. The highest and lowest sea temperatures during the month were 72.3°F and 63.5°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 64.5°F. The highest and lowest sea temperatures during the month were 68.0°F and 61.9°F.

Best time for vacation in Plymouth

Sunniest months:
November 15 days
September 13 days
October 13 days
Warmest months:
July 78.9 °F
August 77.3 °F
June 73.1 °F
Warmest sea temp:
August 67.8 °F
July 67.5 °F
September 65.2 °F
Coldest months:
January 35.7 °F
February 37.4 °F
December 40.6 °F
Rainiest months:
October 4 days
April 3 days
July 2 days
Windiest months:
March 11.1 mph
January 10.7 mph
February 10.6 mph

Plymouth on a weather map

Plymouth
+39°F
E 7 mph
Feels like: +34°F
Precip.: 0%
Places in USA:
Name
°F
+52°F
+70°F
+70°F
+63°F
+61°F
+73°F
+75°F
+66°F
+43°F
+63°F
+55°F
+68°F
+68°F
+73°F
+34°F
24 Hours Forecast
Plymouth
Local time: 13:29
February 26, thursday
1500
43°F
E
6 mph
1800
39°F
E
2 mph
2100
32°F
SE
4 mph
February 27, friday
0000
30°F
SE
6 mph
0300
30°F
SE
5 mph
0600
27°F
SE
5 mph
0900
30°F
SE
5 mph
1200
37°F
NE
4 mph
Units of measurement: °C / °F