Channel Islands weather

Our guide to the weather in Channel Islands during December

5

Average high

2

UV Index

89mm

Monthly rainfall

92%

Humidity

We've looked at the most up-to-date weather data for Channel Islands, 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 Channel Islands weather in December.

How cold is it in Channel Islands during December?

It's cold in Channel Islands during December. The temperature tops out at around 5℃ during the day, falling away to 0℃ at night. The UV index will be low at this time of year, so not something to worry about. However, if you're going to be outside for long periods it's always a good idea to apply a small amount of sunscreen to exposed skin.

Does it snow in Channel Islands during December?

Yes, although it doesn't snow as much as you might expect. It's worth checking the local forecast a few days before you leave home so that you can pack appropriate footwear and clothing.

Does it rain in Channel Islands during December?

On average, there will be 10 rainy days during the month, amounting to 88.8mm 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. Of course, some of that rain will actually fall as sleet, snow, and possibly freezing rain. There's a small chance that you'll catch a thunderstorm during your trip.

Is it windy in Channel Islands during December?

You're unlikely to experience any strong winds. Expect a gentle breeze that increases to moderate at times during December. With cold air temperatures at this time of year, any breeze will feel very cold.

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Weather in Channel Islands

Our month-by-month guide to the weather and climate in Channel Islands

4.1

Channel Islands weather in

January
5.0

Channel Islands weather in

February
7.5

Channel Islands weather in

March
10.4

Channel Islands weather in

April
12.7

Channel Islands weather in

May
15.6

Channel Islands weather in

June
17.0

Channel Islands weather in

July
16.4

Channel Islands weather in

August
14.5

Channel Islands weather in

September
11.3

Channel Islands weather in

October
7.5

Channel Islands weather in

November
4.8

Channel Islands weather in

December