Swimming in Guernsey in august 2025: Average sea temperature in august and tide times in august 2025
Average sea temperature in Guernsey in august 2025.
In august, according to seasonal norms, the sea temperature in Guernsey is:
Minimum: 61°F
Average: 63°F
Maximum: 65°F
Other useful seasonal weather averages in august:
- Outside temperature: 62°F to 65°F
- Most common weather: "Clear/Sunny"
- The wind blows at 10.6mph
- It rains a total of 3.6in, over 6 day(s).
Should we swim in Guernsey in august?
Yes... and no. The water temperature in Guernsey in august is cool
Swimming in august on the beaches of Guernsey is possible but the sea water is cool. So even though the sea temperature sometimes climbs to 65°F, it can also be as low as 61°F! Note that the average is 63°F.
Note also that in august, the climate is good with an average outside temperature of 63°F, 3.6in of precipitation (over 6 days) and 84.92 % humidity.
Water and normal seasonal temperatures in Guernsey in august
| August | |||
| Average sea temperature | 63°F | ||
| Minimum sea temperature | 61°F | ||
| Maximum sea temperature | 65°F | ||
| Average outside temperature | 65°F | ||
| Maximum outside temperature | 65°F | ||
| Minimum outside temperature | 63°F | ||
| Wind speed | 16.8mph | ||
| Wind temperature | 63°F | ||
| Precipitation | 3.6in | ||
| Number of days of rain | 6 jour(s) (18%) | ||
| Humidity | 85% | ||
| Visibility in kilometers | 9.52km | ||
| Cloud cover | 39% | ||
| Our opinion | cool swimming |
Chart of the tides in august 2025
Tide times in august 2025 in Guernsey
Swim elsewhere in England in august
| City | Average T° | Min. T° | Max. T° | Our opinion | London in august | 63°F | 65°F | cool swimming | Brighton in august | 63°F | 65°F | cold swimming | Bristol in august | 62°F | 63°F | cold swimming | Cornwall in august | 63°F | 66°F | cool swimming | Exmouth in august | 63°F | 64°F | cold swimming | Isle of Wight in august | 63°F | 65°F | cold swimming | Jersey in august | 64°F | 67°F | cool swimming | Liverpool in august | 63°F | 64°F | cold swimming | Plymouth in august | 63°F | 65°F | cool swimming | Skegness in august | 60°F | 63°F | cold swimming | Torquay in august | 63°F | 65°F | cold swimming | Dover in august | 64°F | 66°F | cool swimming | Hull (Kingston-upon-Hull) in august | 60°F | 63°F | cold swimming | Isles of Scilly in august | 63°F | 66°F | cool swimming | Margate in august | 64°F | 66°F | cool swimming | Falmouth in august | 63°F | 65°F | cool swimming | Folkestone in august | 64°F | 67°F | cool swimming | Hunstanton in august | 62°F | 64°F | cold swimming | Lowestoft in august | 64°F | 66°F | cool swimming | Newcastle in august | 60°F | 64°F | cold swimming |