World Resorts United Kingdom Plymouth Weather

Plymouth sea water temperature

Current sea water temperature:
+63.5°F
Minimum sea water temperature in June: 63.9°F
Maximum sea water temperature in June: 52.5°F
Average sea water temperature in June: 57.4°F

Sea water temperature for the last 10 days:

June 26 63.5°F June 21 58.5°F
June 25 63.9°F June 20 58.8°F
June 24 63.5°F June 19 58.1°F
June 23 61.9°F June 18 57.7°F
June 22 60.4°F June 17 58.3°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, September and July.

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 63.3°F. The highest and lowest sea temperatures during the month were 64.4°F and 61.3°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 61.5°F. The highest and lowest sea temperatures during the month were 63.7°F and 59.2°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 62.3°F. The highest and lowest sea temperatures during the month were 63.9°F and 59.7°F.

Best time for vacation in Plymouth

Sunniest months:
June 9 days
July 9 days
April 9 days
Warmest months:
July 65.9 °F
August 65.7 °F
September 62.6 °F
Warmest sea temp:
August 61.7 °F
September 61.3 °F
July 60.7 °F
Coldest months:
January 47.0 °F
February 47.6 °F
December 49.5 °F
Rainiest months:
December 7 days
October 7 days
January 7 days
Windiest months:
December 16.6 mph
February 16.4 mph
January 15.6 mph

Plymouth on a weather map

Plymouth
+63°F
NE 3 mph
Feels like: +63°F
Precip.: 14%
Places in United Kingdom:
Name
°F
+66°F
+64°F
+66°F
+68°F
+66°F
+79°F
+57°F
+72°F
+68°F
+84°F
+63°F
+63°F
+63°F
+63°F
+57°F
24 Hours Forecast
Plymouth
Local time: 20:48
June 26, friday
2100
63°F
NE
3 mph
June 27, saturday
0000
61°F
N
5 mph
0300
61°F
N
9 mph
0600
63°F
N
7 mph
0900
66°F
NE
11 mph
1200
68°F
NE
11 mph
1500
68°F
NE
11 mph
1800
68°F
NE
12 mph
Units of measurement: °C / °F