World Resorts United Kingdom Plymouth Weather

Plymouth sea water temperature

Current sea water temperature:
+51.3°F
Minimum sea water temperature in April: 53.6°F
Maximum sea water temperature in April: 45.3°F
Average sea water temperature in April: 50.3°F

Sea water temperature for the last 10 days:

April 6 51.3°F April 1 50.7°F
April 5 52.0°F March 31 50.0°F
April 4 51.4°F March 30 50.2°F
April 3 51.4°F March 29 50.7°F
April 2 50.9°F March 28 50.2°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
+52°F
W 17 mph
Feels like: +46°F
Precip.: 0%
Places in United Kingdom:
Name
°F
+54°F
+50°F
+52°F
+50°F
+54°F
+57°F
+50°F
+54°F
+55°F
+55°F
+52°F
+52°F
+50°F
+50°F
+52°F
24 Hours Forecast
Plymouth
Local time: 18:16
April 06, monday
2100
48°F
W
19 mph
April 07, tuesday
0000
50°F
W
18 mph
0300
50°F
W
20 mph
0600
50°F
W
20 mph
0900
54°F
W
22 mph
1200
57°F
W
22 mph
1500
57°F
W
21 mph
1800
55°F
W
19 mph
Units of measurement: °C / °F