Welwyn Weather in December

December in Welwyn brings low temperatures, with highs of 9°C (48°F) and nights dropping to 3°C (37°F). Expect some rainfall, with around 58 mm (2.3 in) typical for the month.

Rainfall in Welwyn in December

Typically, you can expect about 16 days of rain this month, with 58 mm (2.3 in) on average. Rain falls on many days this month, but usually in relatively small amounts. A light waterproof is more useful than a heavy umbrella.

Temperature in Welwyn in December

In December, expect low temperatures in Welwyn, with highs of 9°C (48°F) and lows of 3°C (37°F) at night. Experience the winter season in December. It stays cool throughout the day, so warm layers are a good idea from morning to evening. At 3°C (37°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Welwyn in December

This month sees fewer sunny days, with about 54 hours of sunshine, perfect for those who enjoy cooler temperatures.

December in Welwyn has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.

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 Welwyn's climate page.

Welwyn Temperature in December

Min Temperature 3°C (37°F)  

Max Temperature 9°C (48°F)  

Chance of Rain 54%  

Precipitation 58 mm (2.3 in)  

Rainy days 16 days  

Humidity 81% *  

Sunshine 54 hours *  

Percentage Sunshine 21% *  

* Data from: London, the United Kingdom (41 KM, 25 Miles).

What to Wear in Welwyn in December

Cold weather calls for smart layering in December. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Rain gear is recommended, you can expect wet weather on multiple days. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.

What To Do in Welwyn in December

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

Swimming

4/10

Cycling

4/10

Walking

4/10

Camping

4/10

Outdoor sports

4/10

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 Welwyn's climate page.

More climate data for Welwyn

Temperature Rainfall Sunshine Humidity

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