Measurements:
°C
°F
Bristol
42°F
N 7 mph
Feels like: 36°F
Precip: 0%
World Resorts United Kingdom Bristol Weather

Bristol Sea Water Temperature

Current Sea Water Temperature:
+47.8°F
Maximum Sea Water Temperature in December: 52.4°F
Minimum Sea Water Temperature in December: 41.6°F
Average water temperature in December: 47.5°F

Sea Water Temperature for the Last 10 Days:

December 05 47.8°F November 30 48.6°F
December 04 48.0°F November 29 48.8°F
December 03 48.2°F November 28 48.4°F
December 02 48.6°F November 27 49.4°F
December 01 48.6°F November 26 49.4°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 44.3 °F
February 46.3 °F
December 47.1 °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 +40
Belfast +38
Bournemouth +48
Brighton +46
Bristol +42
Edinburgh +40
Gibraltar +56
Glasgow +36
Liverpool +40
London +38
Middlesbrough +40
Plymouth +48
Scarborough +38
Torquay +42
York +38
24 Hours Weather Forecast
Bristol
Local time: 08:04
05 dec, friday
0900 42°F
N
7 mph
1200 48°F
N
16 mph
1500 44°F
NW
26 mph
1800 50°F
N
21 mph
2100 48°F
NE
19 mph
06 dec, saturday
0000 48°F
NE
19 mph
0300 48°F
NE
21 mph
0600 48°F
NE
23 mph