Guernsey island Weather in December

Average temperatures, rainfall, sunshine and the best places to visit in Guernsey island, the United Kingdom in December.

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Planning a getaway to Guernsey island, the United Kingdom this December and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in Guernsey island in December

Guernsey island, the United Kingdom is a region in the United Kingdom. December in Guernsey island generally has mild temperatures, with high precipitation.

Temperatures

You can expect mild maximum daytime temperatures of around 12°C (54°F) and nighttime temperatures around 9°C (48°F) in Guernsey.

For specific regional insights in Guernsey island, the United Kingdom, refer to the map provided below.

Precipitation

December is a rainy month with an average rainfall of around 131 mm (5.2 in) in Guernsey. Based on our climate, it is the month with the most precipitation throughout the year in Guernsey.

Average sunshine

Sunshine hours are generally lower in most areas during December. Guernsey experiences about 61 hours of sunlight. If you're looking for brighter destinations, our weather planner can suggest better options.

Explore Guernsey island by month

Pick a month to see the average temperature, rainfall and sunshine in Guernsey island — and find the best time to visit. (based on Guernsey)

Best Places to Visit in Guernsey island in December

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Guernsey island.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Guernsey island

What is the weather like in December for the most popular destinonation in Guernsey island, the United Kingdom?

Guernsey

In December Guernsey generally has moderate temperatures with maximum daytime temperatures around 12°C (54°F), minimum nighttime temperatures around 9°C (48°F) and high monthly rainfall. So on average the conditions are poor that month.

November
December
January
Max temperature
14°C (57°F)
12°C (54°F)
11°C (52°F)
Min temperature
11°C (52°F)
9°C (48°F)
8°C (46°F)
Monthly sun hours
82 hours
61 hours
63 hours
Monthly rainfall
131 mm (5.2 in)
131 mm (5.2 in)
109 mm (4.3 in)
Monthly rainy days
18 days
19 days
20 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Guernsey island, in the United Kingdom.

In our records: the United Kingdom December extremes

Notable December records observed across cities in the United Kingdom in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the coldest December daytime high in the United Kingdom was -10°C (14°F) in Glasgow on December 29, 1995.
  • From our sources, the wettest December day in the United Kingdom brought 301 mm (12 in) in Belfast on December 4, 1982.

Guernsey island weather in December: frequently asked questions

What is the weather like in Guernsey island, the United Kingdom in December?

Guernsey island, the United Kingdom typically experiences poor weather in December, part of the season. Daytime highs in Guernsey average around 12°C (54°F), and temperatures drop to about 9°C (48°F) at night.

What is the average temperature in Guernsey island, the United Kingdom in December?

Average temperatures in Guernsey island, the United Kingdom during December range from a nighttime low near 9°C (48°F) to a daytime high around 12°C (54°F) in Guernsey.

Does Guernsey island, the United Kingdom get a lot of rain in December?

Guernsey island, the United Kingdom sees substantial rainfall in December. Guernsey typically averages about 131 mm (5.2 in), a mix of wet and dry days, but bring an umbrella.

Is December a Good Time to Visit Guernsey island, the United Kingdom?

In our opinion, December may not be the ideal time to visit Guernsey island, the United Kingdom due to the typically poor weather in Guernsey.

Generally speaking, July, August and September provide pleasant weather in Guernsey. In contrast, January and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Guernsey island.

Weather and climate has detailed information for every country in the world. Are you going to the United Kingdom? Get detailed historical weather averages for many cities in the United Kingdom.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.