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Guernsey
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Guernsey Weather August

To help you choose the best time to travel, you can find climate data below on the weather in Guernsey in August.

day temperatureaverage daily high+19.8°C
night temperatureaverage daily low+14.1°C
sea temperaturesea temperature+17.8°C
day lengthdaytime14.9 h
sunny hours per daysunny / overcast hours7.4 / 7.5
average monthly precipitationaverage monthly precipitation48 mm

Best time with the soft weather for the sightseeing and long walks in Guernsey are July, August, September.

Best places in August


Temperature in Guernsey

In August the average daily maximum in Guernsey is +19.8°C, and the minimum +14.1°C.

The hottest August day on record is +26°C, and the coldest +10.5°C.

Most booked hotels in Guernsey

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Best beach resorts in August:

Venice
Italy

Barcelona
Spain

Nice
France

Rimini
Italy

Cannes
France

Lisbon
Portugal


Marseille
France

Algarve
Portugal

Marbella
Spain

Lignano
Italy

Naples
Italy

Split
Croatia


Daylight hours

There are 14.9 hours of daylight in Guernsey in August. Out of these, on average 7.4 are sunny, which means it is mostly cloudy.

Most Popular Destinations in the World


Sea temperature

The average monthly temperature in the English Channel on the beaches of Guernsey in August is +17.8°C.

The water is considered very cool, but some hardy people might bathe in it for 10-15 minutes.

Guernsey climate by month


Precipitation

The amount of precipitation in Guernsey in August is usually 48 mm, a negligible amount.