Temperature in Guernsey in August

Daytime highs, nighttime lows and the warmest cities in Guernsey, the United Kingdom this August.

Guernsey, the United Kingdom, a region in the United Kingdom, typically experiences pleasant weather in August, with maximum daytime temperatures around 19°C (66°F) and nighttime temperatures around 16°C (61°F) in St Peter Port. On average, August is the month with the highest temperature of the year in Guernsey, the United Kingdom.

What is the temperature of the different cities in Guernsey, the United Kingdom in August?

Explore the map below to discover average August temperatures at the top destinations in Guernsey. For a deeper dive, simply click on any destination dot.

Select a Month

Check the conditions for any month of the year.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

For a detailed overview over the year and the best time to visit Guernsey, check out our Guernsey's climate page.

See also: Guernsey weather by month.

Best Places to Visit in Guernsey in August

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Guernsey.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in August: blue is cold, red is hot.

See all August weather averages, cities and regions in Guernsey

Guernsey temperatures in August: frequently asked questions

How hot does it get in Guernsey, the United Kingdom in August?

Average daytime highs in Guernsey, the United Kingdom during August reach about 19°C (66°F) in St Peter Port.

How cold does it get at night in Guernsey, the United Kingdom in August?

St Peter Port sees nighttime lows close to 16°C (61°F) in August.

How much sun does Guernsey, the United Kingdom get in August?

St Peter Port usually sees around 232 hours of sunlight, indicating many sunny days.

Interested in more climate information?

We have much more information about the climate in Guernsey.

Weather and climate has detailed information for every country in the world. Are you going to the United Kingdom? Get detailed historical weather averages for many cities in the United Kingdom.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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