December Weather in Bily Kostel nad Nisou, Czech Republic

Last updated: August 23, 2025

In December, the average temperature in Bily Kostel nad Nisou, Czech Republic hovers around 1°C (34°F). While you might experience chilly lows of -13°C (9°F), the highs can reach a comfortable 10°C (50°F). Be prepared for 86 mm (3.4 in) of precipitation over 16 days, with average humidity at a high 92%. Ideal for cozy indoor activities!

December Temperature in Bily Kostel nad Nisou

In December in Bily Kostel nad Nisou, the average temperature is 1°C (34°F). Maximums can reach 10°C (50°F), while minimums can drop as low as -13°C (9°F). Be sure to pack warm clothing if you're planning to visit during this time.

December Weather in Bily Kostel nad Nisou: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Bily Kostel nad Nisou, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bily Kostel nad Nisou, December typically has an average temperature of 1°C (34°F), with highs reaching up to 10°C (50°F) and lows dropping to around -13°C (9°F).

Data source: Temperature data for Bily Kostel nad Nisou generated using information from the Copernicus Climate Change Service.

December Precipitation in Bily Kostel nad Nisou

In Bily Kostel nad Nisou in December, the precipitation amount is 86 mm (3.4 in) over a period of 16 days.

December Precipitation Trends in Bily Kostel nad Nisou

The chart displays monthly precipitation patterns in Bily Kostel nad Nisou, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Bily Kostel nad Nisou, December typically receives around 86 mm (3.4 inches) of precipitation spread over approximately 16 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

December Humidity in Bily Kostel nad Nisou

In Bily Kostel nad Nisou in December humidity is 92%. With average temperature 1°C (34°F), this humidity feels like a cold, damp blanket enveloping you, making travel uncomfortable as the chill seeps into your bones, and the air feels heavy and suffocating, leaving little room for any warmth or comfort.

December Average Humidity in Bily Kostel nad Nisou

This chart illustrates the average monthly humidity levels in Bily Kostel nad Nisou, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Bily Kostel nad Nisou is approximately 92%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Bily Kostel nad Nisou

In Bily Kostel nad Nisou in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Bily Kostel nad Nisou.

Maximum UV Index Levels in Bily Kostel nad Nisou for December

The chart shows the monthly maximum UV Index (UVI) for Bily Kostel nad Nisou in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Bily Kostel nad Nisou typically reaches 1, which falls under the low exposure category.

Data source: Bily Kostel nad Nisou December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How December Weather in Bily Kostel nad Nisou Compares to Other Months

Weather in Bily Kostel nad Nisou varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Bily Kostel nad Nisou, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Bily Kostel nad Nisou, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (31°F)	72 mm (2.9 inches)	90%	low
February Weather	0°C (33°F)	73 mm (2.9 inches)	89%	low
March Weather	3°C (38°F)	68 mm (2.7 inches)	87%	moderate
April Weather	8°C (46°F)	45 mm (1.8 inches)	81%	high
May Weather	12°C (54°F)	92 mm (3.6 inches)	71%	high
June Weather	17°C (64°F)	92 mm (3.6 inches)	75%	very high
July Weather	18°C (64°F)	91 mm (3.6 inches)	74%	very high
August Weather	18°C (65°F)	125 mm (4.9 inches)	76%	high
September Weather	14°C (57°F)	79 mm (3.1 inches)	81%	high
October Weather	9°C (49°F)	94 mm (3.7 inches)	85%	moderate
November Weather	4°C (40°F)	52 mm (2.0 inches)	88%	low
December Weather	1°C (34°F)	86 mm (3.4 inches)	92%	low