Skip to content
seatemperatures.net

Bailiwick of Guernsey Sea Temperature in July

Channel Islands

June Bailiwick of Guernsey year-round → August

Average sea temperature for Bailiwick of Guernsey, Channel Islands across July, based on 10 years of daily readings.

Average

15.9° C

High

17.59° C

Low

13.74° C

At this temperature, water will feel cold compared to a swimming pool, but with a bit of experience and practice most people will find the water relatively comfortable to swim in.

July is the 4th warmest of 12 months at Bailiwick of Guernsey. On average the water sits 2.5° than the year-round mean of 13.44° C.

Compared to June, July is 2.0° warmer than (13.92° C in June). By August the water is usually 17.13° C.

Bailiwick of Guernsey Day-by-Day Water Temperature in July

10-year low, average and high

13.0° C
14.4° C
15.8° C
17.1° C
18.5° C
1
5
10
15
20
25
31
Day-by-day low and high band with the 10-year daily average through July. Range Average

Each vertical bar above is one day of July. The shaded band covers the range the water has reached on that day across the last 10 years — the lowest reading at the bottom, the highest at the top. The line running through the bars is the daily average over those 10 years, so you can see the typical shape of the month at Bailiwick of Guernsey.

A narrow band means the temperature on that day has stayed close to the average year on year. A taller band means it has swung more, often because of changeable weather around that time of year. Hovering a day pulls up its low, average, and high.

July Water Temperature Table for Bailiwick of Guernsey

10-year daily averages

Day Average Low High
July 1 14.86° C 13.76° C 16.36° C
July 2 14.85° C 13.9° C 16.34° C
July 3 14.88° C 13.74° C 16.42° C
July 4 15.19° C 14.01° C 16.43° C
July 5 15.32° C 14.28° C 16.5° C
July 6 15.39° C 14.16° C 16.8° C
July 7 15.52° C 14.38° C 16.69° C
July 8 15.66° C 14.46° C 16.67° C
July 9 15.71° C 14.6° C 16.63° C
July 10 15.61° C 14.39° C 16.92° C
July 11 15.68° C 14.47° C 16.95° C
July 12 15.71° C 14.11° C 16.88° C
July 13 15.71° C 14.09° C 16.83° C
July 14 15.67° C 14.14° C 16.61° C
July 15 15.77° C 14.4° C 16.53° C
July 16 15.84° C 14.63° C 16.62° C
July 17 16.04° C 14.91° C 16.6° C
July 18 16.27° C 15.1° C 16.63° C
July 19 16.3° C 15.9° C 16.78° C
July 20 16.29° C 15.73° C 16.63° C
July 21 16.33° C 15.23° C 16.82° C
July 22 16.34° C 15.2° C 16.74° C
July 23 16.4° C 15.48° C 17.13° C
July 24 16.4° C 15.31° C 17.59° C
July 25 16.29° C 14.5° C 17.38° C
July 26 16.3° C 14.84° C 17.23° C
July 27 16.36° C 15.02° C 17.1° C
July 28 16.45° C 15.04° C 17.16° C
July 29 16.53° C 15.15° C 17.18° C
July 30 16.53° C 15.39° C 17.09° C
July 31 16.61° C 15.39° C 17.25° C

Where July Sits in the Year

July highlighted

7.0° C
10.3° C
13.5° C
16.8° C
20.0° C
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
11.11° C
10.24° C
9.94° C
10.53° C
11.84° C
13.92° C
15.9° C
17.13° C
17.21° C
16.36° C
14.56° C
12.58° C
10-year monthly history for Bailiwick of Guernsey. Bars span historical low to high; the line marks the monthly average. Range Average
January → February → March → April → May → June → July → August → September → October → November → December →

Nearby Locations in July

Compare other Channel Islands water for the same month

Bailiwick of Guernsey Location

49.4467, -2.3424

49.44667, -2.34238 View on OpenStreetMap →

Bailiwick of Guernsey sits at 49.4467°N, 2.3424°W, on the coast of Channel Islands. The marker on the map shows the spot the readings on this page come from. It usually sits a short distance from the town centre, out on the open water itself, so the numbers stay tied to the coast rather than a generic point inland.

Coastlines bend, headlands focus the water, and the temperature can run noticeably differently between two beaches that look close together on a map. Comparing nearby locations is a quick way to see how local geography is shaping the readings.

Nearest locations to Bailiwick of Guernsey