Guernsey weather

Our guide to the weather in Guernsey during October

16

Average high

4

UV Index

140mm

Monthly rainfall

78%

Humidity

We've looked at the most up-to-date weather data for Guernsey, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Guernsey weather in October.

What's the temperature like in Guernsey during October?

The temperature is extremely stable in October with average highs of 16℃ and lows just 2℃ lower at 14℃. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.

Does it rain in Guernsey during October?

On average, there will be 8 rainy days during the month, amounting to 140.3mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. There's a small chance that you'll catch a thunderstorm during your trip.

Is it windy in Guernsey during October?

Expect moderate breeze becoming stronger at times during October, with occasional gusts up to 26mph. With moderate air temperatures, any breeze will feel cool.

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Weather in Guernsey

Our month-by-month guide to the weather and climate in Guernsey

9.6

Guernsey weather in

January
9.1

Guernsey weather in

February
9.8

Guernsey weather in

March
10.8

Guernsey weather in

April
12.5

Guernsey weather in

May
14.8

Guernsey weather in

June
16.9

Guernsey weather in

July
17.5

Guernsey weather in

August
17.0

Guernsey weather in

September
15.5

Guernsey weather in

October
13.0

Guernsey weather in

November
11.1

Guernsey weather in

December