City break

Karlovy Vary weather in December

Temperature, rain and sunshine in December: long-term averages from 30 years of weather data, not a forecast.

18

Holiday weather in December

Poor

Best time to visit: May – September

What is the weather like in Karlovy Vary in December?

In December, Karlovy Vary is freezing cold: daytime highs average 3 °C, and nights often drop below freezing (−2 °C). The sun is scarce, with only about 1 hours a day. Precipitation, often as snow, falls on about 10 days, totalling 42 mm. Snow falls on about 4 days. All in all, December is not an ideal month for a holiday in Karlovy Vary.

December compared

How the weather changes from November to January. Tap a month to open it.

NovemberNovDecemberDecJanuaryJan
Score201817
Day7°3°2°
Night2°−2°−3°
Sun1 h1 h1 h
Rain days91010

More details for December

Daylight
8 h 5 min08:01 – 16:06
UV index
0 · lowclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
17 km/haverage daily peakAll months
Cloud cover
84 %on averageAll months
Hot days
0 days30 °C or moreAll months
Snow days
4 days1 cm or more of fresh snowAll months
Time zone
UTC+1Europe/Prague

How the score comes together

  • Temperatureweight 50 %0 %
  • Sunshineweight 20 %0 %
  • Few rainy daysweight 30 %60 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in December

  • Warm jacket
  • Hat, scarf & gloves
  • Rain jacket or umbrella

Karlovy Vary in December: quick answers

Is Karlovy Vary hot in December?

No. In December, Karlovy Vary is freezing cold: daytime highs average 3 °C and nights drop to about −2 °C.

Does it rain much in Karlovy Vary in December?

Rain is frequent, with about 10 rainy days and 42 mm in total.

Karlovy Vary month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences