Measurements:
°C
°F
Bristol
54°F
NE 10 mph
Feels like: 50°F
Precip: 100%
World Resorts United Kingdom Bristol Weather

Bristol Sea Water Temperature

Current Sea Water Temperature:
+55.8°F
Maximum Sea Water Temperature in May: 63.4°F
Minimum Sea Water Temperature in May: 49.8°F
Average water temperature in May: 56.0°F

Sea Water Temperature for the Last 10 Days:

May 18 55.8°F May 13 55.6°F
May 17 55.4°F May 12 55.8°F
May 16 55.6°F May 11 55.8°F
May 15 55.8°F May 10 56.6°F
May 14 55.8°F May 09 55.4°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 67.2 °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 +54
Belfast +54
Bournemouth +56
Brighton +52
Bristol +54
Edinburgh +52
Gibraltar +68
Glasgow +52
Liverpool +56
London +56
Middlesbrough +52
Plymouth +52
Scarborough +52
Torquay +52
York +56
24 Hours Weather Forecast
Bristol
Local time: 13:06
18 may, monday
1500 56°F
NE
12 mph
1800 54°F
NE
11 mph
2100 48°F
N
11 mph
19 may, tuesday
0000 48°F
N
10 mph
0300 50°F
NW
14 mph
0600 52°F
NW
16 mph
0900 54°F
NE
13 mph
1200 56°F
NE
13 mph