Measurements:
°C
°F
Bristol
58°F
SW 12 mph
Feels like: 56°F
Precip: 22%
World Resorts United Kingdom Bristol Weather

Bristol Sea Water Temperature

Current Sea Water Temperature:
+74.2°F
Maximum Sea Water Temperature in July: 74.2°F
Minimum Sea Water Temperature in July: 59.4°F
Average water temperature in July: 66.6°F

Sea Water Temperature for the Last 10 Days:

July 13 74.2°F July 08 70.2°F
July 12 72.8°F July 07 70.0°F
July 11 73.4°F July 06 69.4°F
July 10 71.2°F July 05 69.2°F
July 09 71.4°F July 04 69.4°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: 2025 2024 2023

The average sea surface temperature in August 2025 for Bristol was 69.1°F. The maximum and minimum values were 67.0°F and 70.4°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Bristol was 69.7°F. The maximum and minimum values were 66.6°F and 71.8°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 8 days
April 8 days
March 7 days
The most warm months:
July 71.3 °F
August 70.6 °F
June 67.3 °F
Warmest sea temperature:
August 67.2 °F
July 66.5 °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 +58
Belfast +50
Bournemouth +62
Brighton +62
Bristol +58
Edinburgh +48
Gibraltar +74
Glasgow +46
Liverpool +56
London +62
Middlesbrough +56
Plymouth +68
Scarborough +58
Torquay +60
York +50
24 Hours Weather Forecast
Bristol
Local time: 03:48
14 jul, tuesday
0600 56°F
SW
12 mph
0900 68°F
SW
16 mph
1200 84°F
SW
14 mph
1500 90°F
SW
12 mph
1800 90°F
SW
11 mph
2100 80°F
SW
15 mph
15 jul, wednesday
0000 70°F
SW
12 mph
0300 62°F
SW
8 mph