Measurements:
°C
°F
Bristol
74°F
E 15 mph
Feels like: 74°F
Precip: 1%
World Resorts United Kingdom Bristol Weather

Bristol Sea Water Temperature

Current Sea Water Temperature:
+70.2°F
Maximum Sea Water Temperature in August: 72.6°F
Minimum Sea Water Temperature in August: 62.6°F
Average water temperature in August: 67.3°F

Sea Water Temperature for the Last 10 Days:

August 19 70.2°F August 14 72.4°F
August 18 70.0°F August 13 72.6°F
August 17 71.8°F August 12 70.6°F
August 16 72.6°F August 11 71.4°F
August 15 72.6°F August 10 70.4°F

When is the Warmest Sea for Bristol?

According to our data for the last three years for Bristol the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Bristol was 71.6°F. The maximum and minimum values were 70.0°F and 72.6°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Bristol was 71.5°F. The maximum and minimum values were 66.8°F and 74.2°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Bristol was 62.9°F. The maximum and minimum values were 59.2°F and 67.0°F respectively.

Best Time to Visit Bristol
The most sunny months:
July 9 days
April 8 days
March 7 days
The most warm months:
July 71.9 °F
August 70.6 °F
June 67.3 °F
Warmest sea temperature:
August 67.2 °F
July 66.8 °F
September 63.8 °F
The most cold months:
January 44.2 °F
February 46.4 °F
December 47.0 °F
The most rainy months:
November 5 days
December 5 days
March 4 days
The most windy months:
February 12 mph
December 12 mph
January 11 mph

Bristol on the Weather Map

United Kingdom Resorts:
NAME
Bath +74
Belfast +62
Bournemouth +74
Brighton +64
Bristol +74
Edinburgh +64
Gibraltar +84
Glasgow +62
Liverpool +66
London +76
Middlesbrough +68
Plymouth +72
Scarborough +70
Torquay +70
York +70
24 Hours Weather Forecast
Bristol
Local time: 14:29
19 aug, wednesday
1500 74°F
E
15 mph
1800 68°F
E
16 mph
2100 60°F
E
10 mph
20 aug, thursday
0000 58°F
NE
8 mph
0300 56°F
NE
7 mph
0600 54°F
NE
5 mph
0900 64°F
E
9 mph
1200 70°F
E
11 mph