Karlovy Vary weather in December

December in Karlovy Vary: cold, a little rain, with clean air — one of the weakest months to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Karlovy Vary🇨🇿 Czechia · Central Europe · City44
  1. 40Jan
  2. 51Feb
  3. 64Mar
  4. 75Apr
  5. 80May
  6. 93Jun
  7. 91Jul
  8. 88Aug
  9. 83Sep
  10. 68Oct
  11. 55Nov
  12. 44Dec

#11 of 12 months in Karlovy Vary · #1264 of 1413 destinations to visit in December · comfort 44/100 (tier F)

Days
5°C
Nights
0°C
Wet days
14
Sun
2.7 h
Humidity
91%
Daylight
8 h
Karlovy Vary, Czechia
Photo: Magda Ehlers · Pexels

Traveller notes on Karlovy Vary in December

Notes from nearby Dresden (110 km away)

Karlovy Vary doesn't have its own notes for December yet — these are about Dresden, close enough to share the season.

Forum posters cite a December weekend visit to Dresden with temperatures around -2C, and describe German December more broadly as capable of rain, snow or extended foggy stretches, with a wide range from -5C to +15C depending on the specific year and week. Posters note snow is fairly likely at some point in December, though the exact amount varies considerably year to year, and major weather disruption is rare, happening roughly once a decade. Posters are enthusiastic about the Dresdner Striezelmarkt, one of Germany's oldest Christmas markets (dating to 1434), describing the main market as sprawling enough to take a full hour to walk end to end, with Friday and Saturday nights notably crowded. Posters generally rate December as cold and variable weather-wise, with the Christmas market scene itself the dominant draw regardless of the exact conditions on a given day.
Tripadvisor community · December · 1 month ago · about Dresden · Read more on Tripadvisor ↗

Other months in Karlovy Vary

Forum posters describe January in Karlovy Vary as consistently cold, often with snow on the ground, similar to the conditions typical of December. One visitor specifically cited temperatures around -10C early in the morning on one of the town's bridges, describing the experience as genuinely wintry but still enjoyable with the right gear. Posters describe the funicular area up above the spa town as a real winter-wonderland highlight when snow is on the ground. Posters do flag that some attractions and businesses run reduced hours or close entirely during the quieter January off-season. Posters generally recommend layered clothing and warm, sturdy shoes as essential January packing. Posters generally rate January as cold and snow-capable but atmospheric for a Karlovy Vary visit, with some seasonal closures to plan around.
Tripadvisor community · January · 1 month ago · Read more on Tripadvisor ↗
Forum regulars note that Karlovy Vary runs noticeably cooler than Prague in summer, which is part of why it's popular as a July escape. The spa culture is central to any visit - around a hundred mineral springs feed the colonnades, with water temperatures from 30 to 73C - but posters are split on the paid spa experiences themselves: some recommend booking ahead since the well-known hotels get busy in peak season, while others warn not to build a trip around trying the treatments, calling some options disappointing for the price. Walking the colonnades and sipping from a spa cup remains the free, universally-recommended activity regardless.
Tripadvisor community · July · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Karlovy Vary's card on the map.

Karlovy Vary climate normals — December

Daytime high5°C / 40°F🧥 cold
Nighttime low0°C / 31°F
Feels like (high)1°C / 34°F
Rainfall60 mm / 2.4 in🌦 some rain
Rainy days14 days
Humidity91%💦 very humid
Dew point1°C / 33°F
Sunshine2.7 h/day
Daylight8.1 h
Wind17 km/h / 10 mph
Snowfall18.2 cm / 7.2 in
Air quality (US AQI)31🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Karlovy Vary in December

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

Peak crowdsChristmas in Karlovy Vary, Christmas holidays in Czechia, school holidays in 7 of the markets that fill it(estimated)

JFMAMJJASOND

Peak crowdsBusyShoulder seasonQuiet

Best months for Karlovy Vary's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Toughest weatherKarlovy Vary's weather peaks June–August.

JFMAMJJASOND

Best weatherFair weatherToughest weather

What's on in Karlovy Vary in December

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Holiday

    Christmas in Karlovy Vary

    29 Nov – 1 JanChristmas & New YearCrowded

    Market stalls along the Mlynska colonnade from the end of November, with the hot springs steaming in the cold and the spa hotels full of people not there for the skiing. Source ↗

What's on around the world in December →

Nearby, and something's on

Within 300 km of Karlovy Vary — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Karlovy Vary?

Loading map…

Karlovy Vary in December — FAQ

Is December a good time to visit Karlovy Vary?
December in Karlovy Vary: cold, a little rain, with clean air — one of the weakest months to visit. It ranks #11 of 12 months for Karlovy Vary on SeasonMap's comfort score (44/100).
What is the weather like in Karlovy Vary in December?
In December, Karlovy Vary averages a daily high of 4.5°C and a low of -0.5°C, with about 60 mm of rain over roughly 13.7 rainy days.
What is the air quality in Karlovy Vary in December?
Karlovy Vary has a mean US Air Quality Index of about 31 in December.
Does it snow in Karlovy Vary in December?
Karlovy Vary sees roughly 18.2 cm of snowfall in December.

Within 300 km: Prague's Christmas markets around 28 Nov – 6 Jan, and Nuremberg's Christkindlesmarkt on 27 Nov – 24 Dec.