Guernsey weather
Our guide to the weather in Guernsey during December
Guernsey is a beautiful and diverse island with stunning coastal views and a wealth of activities to explore. December weather can be unpredictable, so it's best to be prepared for all eventualities. 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 December.
What's the temperature like in Guernsey during December?
The temperature is extremely stable in December with average highs of 11℃ and lows just 2℃ lower at 9℃. 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 December?
On average, there will be 10 rainy days during the month, amounting to 167.7mm 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 December?
Expect fresh breeze becoming stronger at times blowing during December, with occasional gusts up to 31mph. With moderate air temperatures, any breeze will feel cool.
Weather in Guernsey
Our month-by-month guide to the weather and climate in Guernsey
Guernsey weather in
JanuaryGuernsey weather in
FebruaryGuernsey weather in
MarchGuernsey weather in
AprilGuernsey weather in
MayGuernsey weather in
JuneGuernsey weather in
JulyGuernsey weather in
AugustGuernsey weather in
SeptemberGuernsey weather in
OctoberGuernsey weather in
NovemberGuernsey weather in
December