Altarnun Weather in December

Altarnun in December averages 10°C (50°F) during the day and 5°C (41°F) at night. This is the wettest month of the year, and part of the winter season.

Rainfall in Altarnun in December

Given that this is the rainiest month, it's wise to carry an umbrella to stay dry during unexpected showers. Looking at the last 30 years, the data shows about 21 days with rain, averaging 108 mm (4.3 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 Altarnun in December

December in Altarnun brings low temperatures, with highs of 10°C (50°F) and nights around 5°C (41°F). The winter season takes place during December. Even at the warmest part of the day, temperatures stay low. Dressing warmly from the start is the sensible approach. At 5°C (41°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Altarnun in December

The month has fewer sunny days, with around 55 hours of sunshine.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Altarnun. Our weather planner can help you explore destinations with more pleasant weather conditions.

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

Altarnun Temperature in December

Min Temperature 5°C (41°F)  

Max Temperature 10°C (50°F)  

Chance of Rain 70%  

Precipitation 108 mm (4.3 in)  

Rainy days 21 days  

Humidity 86% *  

Sunshine 55 hours *  

Percentage Sunshine *  

* Data from: Plymouth, the United Kingdom (36 KM, 22 Miles).

What to Wear in Altarnun in December

The weather can be unpredictable in December, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.

What To Do in Altarnun 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 Altarnun's climate page.

More climate data for Altarnun

Temperature Rainfall Sunshine Humidity

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