Košťany Weather in December

What's the weather like in Košťany (Ústecký) in December 2025?

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

December is in the winter in Košťany and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cold 2°C (36°F), whilst at night -2°C (28°F) is normal.

Košťany weather averages (imperial / metric)
Daytime temperature 2.4°C 36.2°F
Nightly temperature -2.4°C 27.8°F
Average temperature 0°C 32°F
Daily sunshine 1.6 hrs
Avg rainfall 38 mm 1.5 ins
Rainy days 16 days
Sea temperature 9°C 48.2°F
Humidity 90%
Windspeed 21.2kph 13 mph

On average December is the 6th wettest month of the year in Košťany with around 38mm 1.5 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 1.6 hours of sunshine per day.

December temperatures in Košťany

Košťany average temperature in December

December rainfall

Košťany average rain in December

December hourly sunshine

Košťany 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 Košťany in December 2025.

Other monthly averages

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Košťany weather stats

Košťany weather statistics
Hottest month: July 23.2°C 73.8°F
Driest month: February 28mm 1.1ins
Sunniest month: August 7.6hrs
Coldest month: January 0.6°C 33.1°F
Wettest month: August 61mm 2.4ins
Map showing location of Košťany (50.65507, 13.75554) Košťany map pin © Google

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