Guernsey weather averages for holidays in 2017/2018

Check Guernsey weather averages before you book your next holiday in 2017/2018. Today's maximum temperature in Guernsey is expected to be 18°C, while the average maximum temperature in August is 20°C. The holiday weather guide shown below is for St Peter Port.

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Guernsey weather averages

Check Guernsey weather averages before you book your next holiday. The warmest month in Guernsey is August with an average maximum temperature of 20°C. The sunniest months are May, June and July with on average 8 hours of bright sunshine per day. The month with the least number of days with some rain is July with 10 days. The sea is at its warmest in Guernsey in August and September with an average sea temperature of 17°C. The Guernsey weather averages shown below are for St Peter Port.

Maximum daytime temperature (°C)

Hours of sunshine (daily)

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

Days with some rainfall

Sea temperature (°C)

More weather parameters

Metric (°C / mm)  |  Imperial (°F / inches)

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Guernsey weather today

Here is the weather in Guernsey today, Wednesday 23rd August 2017. Expect overcast skies in Guernsey with a maximum temperature of 18°C and no hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 28 kph from the west. The weather forecast shown below is for St Peter Port.

  • 18
    °C maximum temperature
  • 14
    °C minimum temperature
  • overcast skies
  • 0
    hours of sunshine
  • 0
    mm of rainfall expected
  • 0
    no heat & humidity
  • 28
    kph wind from W

5-day weather forecast

Metric (°C / mm)  |  Imperial (°F / inches)

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Guernsey weather overview

Guernsey has a delightfully warm summer climate and enjoys mild, if rainy, winters. On the long summer days, between May and September, you can bask in an average of 8 hours of sunshine a day but, if you are planning a walk or a visit to the beach, take a cover-up as those sea breezes can be chilly. Rain falls mainly in the autumn and winter but can occur sporadically in the summer months. Winters are cool but rarely very cold.

What to pack for Guernsey weather

Take relatively warm clothing for the cool winter months and, in the summer, supplement beach wear and light clothing with a warm wrap, just in case. Be prepared for rain at any time of year.

Tropical storm risk: Guernsey hurricane season

% of month affected by tropical storms
0
0
0
0
0
0
0
<1%
<1%
<1%
0
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

The Guernsey tropical storm risk chart above shows the hurricane season for St Peter Port, Guernsey.

More about tropical storms

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Guernsey holiday weather averages by month

Check Guernsey holiday weather averages for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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Compare Guernsey weather with the USA

Below the Guernsey weather chart shows maximum daytime temperature for Guernsey (St Peter Port) and the USA (Washington). For more weather parameters or to change the destinations shown visit the comparison weather tool.

Maximum daytime temperature (°C)

Guernsey (St Peter Port)
USA (Washington)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

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