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 St Peter Port

Q: 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. Daily hours of sunshine = 10 hours or more.

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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]

Change the criteria to reflect your weather preferences.

0
Jan
0
Feb
0.5
Mar
1.5
Apr
2
May
2.5
Jun
3.5
Jul
3.5
Aug
2
Sep
0.5
Oct
0
Nov
0
Dec

Change criteria

Max Day Temperature (°C)

9
Jan
8
Feb
10
Mar
12
Apr
15
May
17
Jun
19
Jul
20
Aug
18
Sep
15
Oct
12
Nov
10
Dec

Hours of Sunshine (daily)

2
Jan
3
Feb
4
Mar
6
Apr
8
May
8
Jun
8
Jul
7
Aug
6
Sep
4
Oct
2
Nov
2
Dec

Best time to visit

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

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)