Diekirch Weather in December
Diekirch in December sees low daytime temperatures of 6°C (43°F) and nighttime lows of 0°C (32°F). With the highest rainfall of the year it is wise to pack an umbrella and expect frequent showers.
Rainfall in Diekirch in December
Expect frequent showers this month, so make sure to have an umbrella to keep yourself dry. Typically, about 18 days will experience rainfall, with an average of 92 mm (3.6 in) for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Diekirch in December
Daytime highs in Diekirch in December reach 6°C (43°F), with nights around 0°C (32°F). December is in the winter season. Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. Nights drop to 0°C (32°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Diekirch in December
The month is characterized by fewer sunny days, with roughly 40 hours hours of sunshine. Ideal for those who prefer a cooler, cloudier climate.December in Diekirch 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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Luxembourg, check out our Diekirch's climate page.
Diekirch Temperature in December
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Diekirch typically stay consistent throughout December, with daily highs averaging around 6°C (43°F). Nights are cold, with lows typically ranging from -1°C (30°F) to 1°C (34°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Diekirch in December
Browse day-by-day weather records for Diekirch spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Diekirch historical weather extremes in December
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Diekirch.
- Diekirch recorded its highest December temperature of 15°C (59°F) on December 31, 2022.
- Diekirch experienced its chilliest December day on December 31, 1996, reaching only -9°C (16°F).
- The lowest overnight temperature recorded in December was -15°C (5°F) (December 19, 2009).
Best Places in Luxembourg in December
Find out more about the weather in Luxembourg and which places have the best travel conditions in this month. See all of Luxembourg in December →
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What to Wear in Diekirch in December
Dress warmly and in layers for your trip to Diekirch in December. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Expect heavy rainfall, so bring good rain protection and waterproof bags. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.What To Do in Diekirch in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Luxembourg, check out our Diekirch's climate page.
Temperature Rainfall Sunshine Humidity
See the full Diekirch climate overview or explore weather in Luxembourg.