Heerlen Weather in December

December in Heerlen brings low temperatures around 7°C (45°F) during the day, dropping to 2°C (36°F) at night, with the most rainfall of the year.

Rainfall in Heerlen in December

It's the month with the heaviest rainfall, so an umbrella is a must to navigate the wet weather. Records from the past 30 years suggest around 19 days of rain, with 85 mm (3.3 in) average for the month. This is a month with many wet days but modest rainfall totals, so showers are generally light and easy to manage.

Temperature in Heerlen in December

December in Heerlen sees highs of 7°C (45°F) and lows of 2°C (36°F) overnight. This month falls in the winter season. It stays cool throughout the day, so warm layers are a good idea from morning to evening. Nights drop to 2°C (36°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Heerlen in December

The area sees fewer sunny days, with a projection of about 55 hours of sunshine. This reduced sunlight makes it ideal for those who prefer overcast conditions over bright sunny days.

Wind Speed in Heerlen in December

December has wind speeds averaging 5 m/s (10 knots). You can expect gentle to moderate winds that move small trees and make flags wave steadily on typical days. Conditions typically range from light breezes to moderate winds.

December in Heerlen 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.