Mullion Weather in December

In Mullion, December brings low daytime temperatures around 12°C (54°F), with nights cooling to 8°C (46°F). It is the wettest month of the year, so expect more rainfall than usual.

Rainfall in Mullion in December

As the month with the highest rainfall, make sure to have an umbrella to manage the showers. The climate data from previous years indicates about 21 days of rain, averaging 103 mm (4.1 in) for the month. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.

Temperature in Mullion in December

If you're visiting Mullion in December, expect highs of 12°C (54°F) and overnight lows around 8°C (46°F). Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. Nights drop to 8°C (46°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Mullion in December

The city usually sees around 65 hours of sunlight, indicating fewer sunny days.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Mullion. Our weather planner can help you explore destinations with more pleasant weather conditions.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United Kingdom, check out our Mullion's climate page.

Mullion Temperature in December

Min Temperature 8°C (46°F)  

Max Temperature 12°C (54°F)  

Chance of Rain 71%  

Precipitation 103 mm (4.1 in)  

Rainy days 21 days  

Sunshine 65 hours *  

Percentage Sunshine *  

* Data from: Newquay, the United Kingdom (44 KM, 27 Miles).

What to Wear in Mullion in December

The weather can swing between comfortable and chilly in December, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Expect heavy rainfall, so bring good rain protection and waterproof bags. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.

What To Do in Mullion in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

4/10

Cycling

5/10

Walking

5/10

Camping

3/10

Outdoor sports

5/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United Kingdom, check out our Mullion's climate page.

More climate data for Mullion

Temperature Rainfall Sunshine

See the full Mullion climate overview or explore weather in the United Kingdom.