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Haller Weather in December
December in Haller averages 6°C (43°F) during the day and 0°C (32°F) at night. It is the wettest month of the year, with 89 mm (3.5 in) of rainfall on average, so waterproof gear is a must.
Rainfall in Haller in December
As the month with the most rain, you'll want to have an umbrella with you to manage the frequent showers. Analyzing past climate data, one can expect approximately 17 days of rain, averaging 89 mm (3.5 in). The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Haller in December
Daytime highs in Haller in December reach 6°C (43°F), with nights around 0°C (32°F). December is known for being in the winter season. Expect a cold feel throughout the day, not just in the mornings and evenings. Warm layers are essential. With overnight lows of 0°C (32°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in Haller in December
This month is characterized by fewer sunny days, with about 40 hours of sunshine. It's great for those who appreciate cooler, less sunny days.Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July, August and September typically offer the best weather for Haller.
Haller Temperature in December
Min Temperature
0°C (32°F)
Max Temperature
6°C (43°F)
Chance of Rain
58%
Precipitation
89 mm (3.5 in)
Rainy days
17 days
Humidity
90% *
Sunshine
40 hours *
Percentage Sunshine
16% *
* Data from: Luxembourg, Luxembourg (23 KM, 14 Miles).
Haller Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Haller - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Haller 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 Haller in December
Browse day-by-day weather records for Haller spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Haller historical weather extremes in December
According to our 49 years of weather records for Haller, the following extremes were recorded between 1976 and 2025.
- Haller recorded its highest December temperature of 16°C (61°F) on December 31, 2022.
- The coldest December day was on December 31, 1996, with a maximum of -9°C (16°F).
- Nighttime temperatures dropped to -15°C (5°F) on December 19, 2009, marking the coldest December night on record.
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 Haller 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. Prepare for significant rainfall with proper waterproof clothing and shoes. With limited sunshine expected, sunglasses aren't a priority for packing.
What To Do in Haller 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
Haller 3-Day Forecast
More climate data for Haller
Temperature Rainfall Sunshine Humidity
See the full Haller 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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