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Kopstal Weather in December
In Kopstal, December brings low daytime temperatures around 6°C (43°F), with nights cooling to 1°C (34°F). It is the wettest month of the year, so expect more rainfall than usual.
Rainfall in Kopstal in December
As the rainiest month, carrying an umbrella is advisable to manage the frequent rain. Expect around 17 days of rain based on historical data, with 94 mm (3.7 in) average. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Kopstal in December
December in Kopstal brings typical temperatures with highs around 6°C (43°F) and lows of 1°C (34°F). During December, the winter season is in full swing. Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. Nights fall to 1°C (34°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in Kopstal in December
With limited sunshine this month, there are about 40 hours of sun. It's ideal for those who prefer a cooler, cloudier climate.December in Kopstal 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.
Kopstal Temperature in December
Min Temperature
1°C (34°F)
Max Temperature
6°C (43°F)
Chance of Rain
57%
Precipitation
94 mm (3.7 in)
Rainy days
17 days
Humidity
90% *
Sunshine
40 hours *
Percentage Sunshine
16% *
* Data from: Luxembourg, Luxembourg (11 KM, 7 Miles).
Kopstal Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Kopstal - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Kopstal 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 records for Kopstal in December
Browse day-by-day weather records for Kopstal spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Kopstal historical weather extremes in December
Based on weather observations in Kopstal between 1976 and 2025, these are the recorded extremes during December.
- On December 31, 2022, temperatures climbed to 15°C (59°F), marking the warmest December day on record.
- The lowest daytime temperature in December was -9°C (16°F), recorded on December 29, 1976.
- The coldest night in December in Kopstal was on December 20, 2009, with a minimum of -14°C (7°F).
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 →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Kopstal in December
We recommend to layer up for chilly conditions in Kopstal in December. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. 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 Kopstal in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming4/10 -
Cycling3/10 -
Walking3/10 -
Camping4/10 -
Outdoor sports3/10
Kopstal 3-Day Forecast
More climate data for Kopstal
Temperature Rainfall Sunshine Humidity
See the full Kopstal climate overview or explore weather in Luxembourg.
Popular in December
Where to go in December - average daytime high across popular destinations.
Luxembourg
6°C (43°F) Remich6°C (43°F) Mondorf-les-Bains6°C (43°F) Enscherange5°C (41°F) Berdorf6°C (43°F) Vianden6°C (43°F) Echternach6°C (43°F) Clervaux5°C (41°F) Bucket list
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