Best time to visit St Peter Port

Find the best time to visit St Peter Port and plan your perfect trip in 2025/2026. Get holiday inspiration, weather guides, travel advice and find great deals.

St Peter Port by month

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

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When is the best time to visit St Peter Port?

The best time to visit St Peter Port is July and August based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]

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Max Day Temperature (°C)

  • 9°C maximum daytime temperature in January in St Peter Port9
    Jan
  • 8°C maximum daytime temperature in February in St Peter Port8
    Feb
  • 10°C maximum daytime temperature in March in St Peter Port10
    Mar
  • 12°C maximum daytime temperature in April in St Peter Port12
    Apr
  • 15°C maximum daytime temperature in May in St Peter Port15
    May
  • 17°C maximum daytime temperature in June in St Peter Port17
    Jun
  • 19°C maximum daytime temperature in July in St Peter Port19
    Jul
  • 20°C maximum daytime temperature in August in St Peter Port20
    Aug
  • 18°C maximum daytime temperature in September in St Peter Port18
    Sep
  • 15°C maximum daytime temperature in October in St Peter Port15
    Oct
  • 12°C maximum daytime temperature in November in St Peter Port12
    Nov
  • 10°C maximum daytime temperature in December in St Peter Port10
    Dec

Hours of Sunshine (daily)

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

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.

Best time to visit

The weather guide for Guernsey, represented by St Peter Port, (St Peter Port) 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.

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

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