Early winter · Weather & things to do
Koblenz in December
Koblenz cools off: highs slip to 41°F (5°C), from 48°F in November, with lows of 32°F (0°C) and about 3.0 in (76 mm) of rain.
With a comfort score of 40/100 (12th of 12), it's one of the toughest months, held back mainly by cool days.
- Avg high
- 41°F (5°C)
- Avg low
- 32°F (0°C)
- Rain
- 3.0 in (76 mm)
- Humidity
- 95%
- Cloud cover
- 81%
- Daylight
- ~7 h 49 min
- Comfort score
- 40/100 · Tough
What December feels like
It's cool, with highs near 41°F (5°C), so a proper jacket stays on most of the day.
Nights cool to an average low of 32°F (0°C).
Some rain is likely, about 3.0 in (76 mm) in the month, so pack for a shower or two.
Skies are often grey, with average cloud cover around 81%.
Daylight is short, roughly 7 h 49 min mid-month, so start sightseeing early.
Plan around December
December is one of the lower-scoring months here; the best are May – September.
- Shortest days of the year, about 7 h 49 min of daylight.
- Comfort slips from 53/100 in November to 40/100.
- Our Cologne, Koblenz & Rüdesheim route is planned for Late Nov – Dec 23, a window set by the holiday season rather than the weather — December is part of it.
What to pack for December
- Insulated jackethighs only 41°F
- Packable rain jacket or umbrellaabout 3.0 in of rain
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Koblenz in December
A mixed month: these picks balance outdoor stops with indoor fallbacks.
Kurfürstliches Schloss
The last Elector of Trier's neoclassical palace from the 1780s, set on lawns along the Rhine promenade.
Deutsches Eck
The headland where the Moselle flows into the Rhine, topped by a giant equestrian statue of Wilhelm I.
Weinhaus Hubertus
Half-timbered wine tavern on the Florinsmarkt serving Moselle and Middle Rhine wines with regional dishes.
Why now A warm sit-down stop when highs sit around 41°F.
Festung Ehrenbreitstein
A 19th-century Prussian fortress on the cliff opposite the Deutsches Eck, with museums and a wide valley view.
Nearby in December
- Rüdesheim in December~30 mi · highs 40°F, 2.7 in rain · similar daytime temperatures, about as wet
- Cologne in December~49 mi · highs 42°F, 3.0 in rain · similar daytime temperatures, about as wet
- Würzburg in December~111 mi · highs 39°F, 2.4 in rain · 1°C (2°F) cooler by day, about as wet
- Strasbourg in December~123 mi · highs 42°F, 2.6 in rain · similar daytime temperatures, about as wet
NASA POWER 2001–2025 monthly averages on a ~50 km grid, temperatures adjusted from the grid cell's ~294 m to Koblenz's ~78 m elevation (standard lapse rate). Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Koblenz in December: quick answers
Is December a good time to visit Koblenz?
It's one of the tougher months here, scoring 40/100, held back mainly by cool days. The best months are May – September. Expect highs of 41°F (5°C) and 3.0 in (76 mm) of rain.
How cold is Koblenz in December?
Average highs are 41°F (5°C) and average lows 32°F (0°C), making it the 2nd-coldest month by daytime highs.
Does it rain a lot in Koblenz in December?
Some: about 3.0 in (76 mm) of rain falls across December on average, the 2nd-wettest month of the year. The annual total is about 30.9 in (786 mm).
What should I pack for Koblenz in December?
Bring insulated jacket (highs only 41°F), packable rain jacket or umbrella (about 3.0 in of rain) and comfortable walking shoes (most places below are best reached on foot or with short walks).
Routes in season in December
- Cologne, Koblenz & Rüdesheim Late Nov – Dec 23
Planning Koblenz in December?
Plan it together in TripsCircle: one itinerary, one shared packing list and costs split as you go.