January Weather in Decin, Czech Republic

Last updated: August 23, 2025

In January, the average temperature in Decin, Czech Republic hovers around 0°C (31°F), with fluctuations ranging from a chilling -18°C (0°F) to a mild 13°C (55°F). During this month, expect 51 mm (2.0 in) of precipitation spread over approximately 12 days, contributing to a notably high average humidity of 90%. Prepare for a cool and damp atmosphere as you explore!

January Temperature in Decin

In January in Decin, the average temperature hovers around 0°C (31°F). The maximum can reach 13°C (55°F), while the minimum can plunge to as low as -18°C (0°F). Travelers should be prepared for chilly conditions and varying temperatures during this time.

January Weather in Decin: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Decin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Decin, January typically has an average temperature of 0°C (31°F), with highs reaching up to 13°C (55°F) and lows dropping to around -18°C (0°F).

Data source: Temperature data for Decin generated using information from the Copernicus Climate Change Service.

January Precipitation in Decin

In Decin in January, the precipitation amount is 51 mm (2.0 in) spread over 12 days.

January Precipitation Trends in Decin

The chart displays monthly precipitation patterns in Decin, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Decin, January typically receives around 51 mm (2.0 inches) of precipitation spread over approximately 12 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Decin

In Decin in January humidity is 90%. With an average temperature of 0°C (31°F), this humidity feels like traversing through a dense fog, where each step is accompanied by a chill that cuts through the skin, making traveling feel heavy and sluggish as the cold dampness clings to every layer of clothing.

January Average Humidity in Decin

This chart illustrates the average monthly humidity levels in Decin, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Decin is approximately 90%, offering insight into how humid the weather typically is during this month.

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

January UV Index in Decin

In Decin in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Decin, you can visit Hourly UV Index in Decin.

Maximum UV Index Levels in Decin for January

The chart shows the monthly maximum UV Index (UVI) for Decin in January, 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 January, the maximum UV index in Decin typically reaches 2, which falls under the low exposure category.

Data source: Decin January 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 January Weather in Decin Compares to Other Months

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

This table compares monthly weather conditions in Decin, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (31°F)	51 mm (2.0 inches)	90%	low
February Weather	1°C (34°F)	49 mm (1.9 inches)	89%	low
March Weather	4°C (39°F)	52 mm (2.1 inches)	87%	moderate
April Weather	8°C (47°F)	33 mm (1.3 inches)	81%	high
May Weather	12°C (55°F)	73 mm (2.9 inches)	71%	high
June Weather	18°C (65°F)	75 mm (2.9 inches)	75%	very high
July Weather	18°C (65°F)	71 mm (2.8 inches)	74%	very high
August Weather	19°C (66°F)	108 mm (4.2 inches)	76%	high
September Weather	14°C (57°F)	64 mm (2.5 inches)	81%	high
October Weather	10°C (49°F)	64 mm (2.5 inches)	85%	moderate
November Weather	4°C (40°F)	39 mm (1.5 inches)	88%	low
December Weather	1°C (34°F)	59 mm (2.3 inches)	92%	low