Cieszyn Weather in December

What's the weather like in Cieszyn (Silesian Voivodeship) in December 2025?

The climate in Cieszyn during December can be summarized as cold and reasonably dry.

December is in the winter in Cieszyn and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a freezing 2°C (35°F), whilst at night -4°C (25°F) is normal.

Cieszyn weather averages (imperial / metric)
Daytime temperature 1.8°C 35.2°F
Nightly temperature -3.8°C 25.3°F
Average temperature -1°C 30.2°F
Daily sunshine 1.5 hrs
Avg rainfall 52 mm 2 ins
Rainy days 16 days
Sea temperature 10°C 50°F
Humidity 86%
Windspeed 14.4kph 9 mph

On average December is the 5th driest month of the year in Cieszyn with around 52mm 2 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.

On the flip side this corresponds to an average of 1.5 hours of sunshine per day.

December temperatures in Cieszyn

Cieszyn average temperature in December

December rainfall

Cieszyn average rain in December

December hourly sunshine

Cieszyn average rain in December

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Cieszyn in December 2025.

Other monthly averages

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UV index Best time to go?

Cieszyn weather stats

Cieszyn weather statistics
Hottest month: July 23.1°C 73.6°F
Driest month: February 43mm 1.7ins
Sunniest month: August 7.1hrs
Coldest month: January 0.2°C 32.4°F
Wettest month: June 116mm 4.6ins
Map showing location of Cieszyn (49.75133, 18.63213) Cieszyn map pin © Google

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