Guernsey island Weather in January

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

🔎

Planning a journey to Guernsey island, the United Kingdom this January and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What to Expect in Guernsey island in January

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

Temperatures

You can expect cold maximum daytime temperatures of around 11°C (52°F) and nighttime temperatures around 8°C (46°F) in Guernsey.

For a closer look at conditions across Guernsey island, the United Kingdom, refer to the map below.

Precipitation

January is a rainy month with an average rainfall of around 109 mm (4.3 in) in Guernsey.

Average sunshine

Many places experience limited sunshine during this period. Guernsey receives around 63 hours of sunlight. If you prefer more sunny conditions, our weather planner can help you explore other destinations.

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 January

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 January for the most popular destinonation in Guernsey island, the United Kingdom?

Guernsey

In January Guernsey generally has low temperatures with maximum daytime temperatures around 11°C (52°F), minimum nighttime temperatures around 8°C (46°F) and high monthly rainfall. So on average the conditions are poor that month.

December
January
February
Max temperature
12°C (54°F)
11°C (52°F)
11°C (52°F)
Min temperature
9°C (48°F)
8°C (46°F)
7°C (45°F)
Monthly sun hours
61 hours
63 hours
87 hours
Monthly rainfall
131 mm (5.2 in)
109 mm (4.3 in)
92 mm (3.6 in)
Monthly rainy days
19 days
20 days
16 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 January extremes

Notable January 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.

  • Based on our data, the coldest January night in the United Kingdom dropped to -20°C (-4°F) in Birmingham on January 14, 1982.

Guernsey island weather in January: frequently asked questions

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

In January, Guernsey island, the United Kingdom generally has poor weather conditions. Guernsey sees daytime temperatures near 11°C (52°F), with nights cooling to roughly 8°C (46°F).

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

In Guernsey, the average daytime high in January is 11°C (52°F), while nighttime temperatures drop to around 8°C (46°F).

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

Guernsey island, the United Kingdom sees substantial rainfall in January. Guernsey typically averages about 109 mm (4.3 in), a mix of wet and dry days, but bring an umbrella.

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

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

On average, the best time to visit Guernsey island, the United Kingdom is in July, August and September with generally pleasant weather in Guernsey. On the other hand, the weather in January and December tend to be poor.

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.