St Peter Port weather

Get the latest coronavirus (Covid-19) updates for Guernsey with current travel advice and statistics on new cases per 100,000 and vaccine.

  • Explore top offers on direct flights from the UK
  • Filter destinations by price, trip type, flight time & more
  • Choose a destination to see cheapest fares & airlines

Recommended for Guernsey

  • Top deals & discounts
  • St Peter Port climate averages by month
  • More destinations
  • Best time to go to St Peter Port
  • St Peter Port 5-day weather forecast
  • St Peter Port weather today - current conditions (last 24-hours)

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

The weather guide for St Peter Port, Guernsey shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by MeteoBlue. Find out more about our data sources.

Which is the hottest month in St Peter Port?

The hottest time of year in St Peter Port is normally August. Expect maximum daytime temperatures to reach 20°C.

Which month has the most rain in St Peter Port?

In terms of rainfall, December is usually the wettest month in St Peter Port with 100mm on average. There are normally 19 days in December with some rain.

When is it sunniest in St Peter Port?

The sunniest time of year in St Peter Port is normally July with bright sunshine on average for 52% of daylight hours; that's 8 hours of sunshine per day.

When is the sea warmest in St Peter Port?

The sea is usually at its warmest in St Peter Port in August when the water temperature reaches 17°C.

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

Back to top

Compare St Peter Port weather with the USA

Below the St Peter Port weather chart shows average maximum daytime temperature for St Peter Port, Guernsey and the USA (Washington).

Maximum daytime temperature (°C)

St Peter Port, Guernsey
USA (Washington)

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

Compare more St Peter Port weather >>

  • Book online & save on TUI holidays in 2021/2022
  • Pay £0 deposits on holidays with direct debit
  • Plus free child places available

TUITUI deal finder

Back to top

Related posts

Popular travel offers

Back to Holiday Weather Top ^

*affiliate links: find out how we are funded and why this helps us remain free to use.