SeasonMapKarlovy Vary weather in December
Czechia
December in Karlovy Vary: cold, a little rain, with clean air — one of the weakest months to visit.
#11 of 12 months in Karlovy Vary · #1235 of 1383 destinations to visit in December · comfort 42/100 (tier F)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Karlovy Vary in December
Notes from nearby Prague (111 km away)
Karlovy Vary doesn't have its own notes for December yet — these are about Prague, close enough to share the season.
December scores cold and is: 0°C, damp, dark by four. The markets in Old Town Square and the Náměstí Míru one make up for it, and the castle in snow is worth the numb fingers. Ice on the cobbles is the real hazard.
Add your own note from Karlovy Vary's card on the map.
Karlovy Vary climate normals — December
| Daytime high | 4°C / 39°F | 🧥 cold |
|---|---|---|
| Nighttime low | 0°C / 31°F | |
| Rainfall | 65 mm / 2.6 in | 🌦 some rain |
| Rainy days | 14 days | |
| Humidity | 90% | 💦 very humid |
| Dew point | 0°C / 33°F | |
| Sunshine | 2.4 h/day | |
| Daylight | 8.1 h | |
| Wind | 17 km/h / 10 mph | |
| Snowfall | 17.9 cm / 7 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)
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, best around July.
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 YearCrowdedMarket 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 ↗
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?
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 (42/100).
- What is the weather like in Karlovy Vary in December?
- In December, Karlovy Vary averages a daily high of 4°C and a low of -0.4°C, with about 65.1 mm of rain over roughly 14.4 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 17.9 cm of snowfall in December.
Other months in Karlovy Vary
Warmer or cooler than Karlovy Vary in December
Similar destinations in Central Europe — December
Within 300 km: Prague's Christmas markets around 28 Nov – 6 Jan, and Nuremberg's Christkindlesmarkt on 27 Nov – 24 Dec.