Guernsey weather in October 2025

Q: How warm is it in Guernsey in October?

Daytime temperatures usually reach 15°C in St Peter Port, Guernsey in October, falling to 11°C at night.

Q: How sunny is it in Guernsey in October?

There are normally 4 hours of bright sunshine each day in St Peter Port, Guernsey in October - that's 35% of daylight hours.

Q: How warm is the sea around Guernsey in October?

The average sea temperature around St Peter Port, Guernsey in October is 16°C.

Q: Does it rain in Guernsey in October?

There are usually 15 days with some rain in St Peter Port, Guernsey in October and the average monthly rainfall is 81mm.

Expect daytime maximum temperatures of 59°F in Guernsey in October based on long-term weather averages. There are 4 hours of sunshine per day on average with 15 days with some rainfall and typically 3.2 inches of rainfall in the month.

59
59°F max day temperature
4
4 hours of sunshine per day
15
15 days with some rainfall
52
52°F min night temperature
11
11 hours of daylight per day
0
No heat & humidity
3.2
3.2 inches of monthly rainfall
2
2 (Low) UV index
61
61°F sea temperature

More about Guernsey

Guernsey by month

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

Recommended for Guernsey

AirHelp: Claim compensation on delayed flights

Deal

If your flight has been delayed or cancelled
Claim up to £520 compensation per passenger
No win, no fee. All airlines & countries

Go to AirHelp deal >>

The October 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), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C) | Imperial (°F)

How warm is it in Guernsey in October?

Daytime temperatures usually reach 59°F in St Peter Port, Guernsey in October, falling to 52°F at night.

How sunny is it in Guernsey in October?

There are normally 4 hours of bright sunshine each day in St Peter Port, Guernsey in October - that's 35% of daylight hours.

How warm is the sea around Guernsey in October?

The average sea temperature around St Peter Port, Guernsey in October is 61°F.

Does it rain in Guernsey in October?

There are usually 15 days with some rain in St Peter Port, Guernsey in October and the average monthly rainfall is 3.2 inches.

Guernsey October sunrise & sunset times

Browse the sunrise and sunset times for Guernsey in October 2025. Select a month to view Guernsey sunrise and sunset times for the next 12 months. The Guernsey sunrise and sunset times shown below are for St Peter Port.

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

Date	Sunrise times	Sunset times
Wednesday, 1st October 2025	06:10	17:48
Thursday, 16th October 2025	06:33	17:17
Friday, 31st October 2025	06:57	16:50

Be inspired

Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers

We promise not to share your details

Popular travel offers

Guernsey - quick facts
Flight time^✝	1 hours
Time difference	UK +0 hours
Language(s)	English
Currency	Guernsey Pound, British Pound
Electricity	G plug (230V)
Driving side	Left
Why visit?	Beaches
Tourist info	Visit Guernsey