World Resorts USA Plymouth Weather

Plymouth sea water temperature

Current sea water temperature:
+55.2°F
Minimum sea water temperature in October: 63.9°F
Maximum sea water temperature in October: 54.7°F
Average sea water temperature in October: 59.4°F

Sea water temperature for the last 10 days:

October 28 55.2°F October 23 55.9°F
October 27 55.4°F October 22 56.3°F
October 26 55.0°F October 21 56.5°F
October 25 55.2°F October 20 56.7°F
October 24 55.6°F October 19 57.4°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:
2026
2025
2024

The average sea water temperature in August of 2026 was 68.3°F. The highest and lowest sea temperatures during the month were 70.9°F and 65.5°F.

Sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 67.0°F. The highest and lowest sea temperatures during the month were 69.8°F and 63.1°F.

Sea water temperature in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 64.4°F. The highest and lowest sea temperatures during the month were 68.2°F and 60.1°F.

Best time for vacation in Plymouth

Sunniest months:
November 15 days
December 13 days
June 13 days
Warmest months:
July 79.3 °F
August 78.0 °F
June 73.9 °F
Warmest sea temp:
August 67.9 °F
July 67.4 °F
September 65.1 °F
Coldest months:
January 35.7 °F
February 36.7 °F
December 40.6 °F
Rainiest months:
April 3 days
October 3 days
July 2 days
Windiest months:
March 11.0 mph
January 10.7 mph
December 10.5 mph

Plymouth on a weather map

Plymouth
+64°F
NE 12 mph
Feels like: +64°F
Precip.: 3%
Places in USA:
Name
°F
+63°F
+66°F
+77°F
+66°F
+68°F
+84°F
+70°F
+64°F
+68°F
+59°F
+68°F
+82°F
+82°F
+81°F
+66°F
24 Hours Forecast
Plymouth
Local time: 12:48
October 29, thursday
1500
66°F
NE
13 mph
1800
59°F
NE
12 mph
2100
55°F
NE
12 mph
October 30, friday
0000
55°F
NE
11 mph
0300
55°F
NE
11 mph
0600
55°F
NE
9 mph
0900
59°F
E
9 mph
1200
66°F
E
13 mph
Units of measurement: °C / °F