January Weather in Caslav, Czech Republic

Last updated: August 23, 2025

In January, the average temperature in Caslav, Czech Republic hovers around 1°C (33°F), with a minimum dipping to -12°C (11°F) and a maximum reaching 13°C (56°F). Expect 43 mm (1.7 in) of precipitation spread across 10 days, contributing to a notably high average humidity of 90%.

January Temperature in Caslav

In January in Caslav, the average temperature is 1°C (33°F). Maximums can reach 13°C (56°F), and minimums can be as low as -12°C (11°F). Travelers should be prepared for cold weather and potential snowfall during this time.

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

The chart illustrates January temperature patterns in Caslav, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Caslav, January typically has an average temperature of 1°C (33°F), with highs reaching up to 13°C (56°F) and lows dropping to around -12°C (11°F).

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

January Precipitation in Caslav

In Caslav in January, the precipitation amount is 43 mm (1.7 in) over a span of 10 days.

January Precipitation Trends in Caslav

The chart displays monthly precipitation patterns in Caslav, 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 Caslav, January typically receives around 43 mm (1.7 inches) of precipitation spread over approximately 10 days.

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

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Millimeters (mm) Inches (in)

January Humidity in Caslav

In Caslav in January humidity is 90%. With an average temperature of 1°C (33°F), this humidity feels like a bone-chilling dampness that seeps into your clothes, making every step outside feel heavy and uncomfortable for traveling.

January Average Humidity in Caslav

This chart illustrates the average monthly humidity levels in Caslav, 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 Caslav 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 Caslav

In Caslav 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 Caslav, you can visit Hourly UV Index in Caslav.

Maximum UV Index Levels in Caslav for January

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

Data source: Caslav 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 Caslav Compares to Other Months

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

This table compares monthly weather conditions in Caslav, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	1°C (33°F)	43 mm (1.7 inches)	90%	low
February Weather	2°C (36°F)	52 mm (2.0 inches)	87%	low
March Weather	5°C (41°F)	51 mm (2.0 inches)	85%	moderate
April Weather	9°C (49°F)	40 mm (1.6 inches)	78%	high
May Weather	14°C (57°F)	86 mm (3.4 inches)	73%	high
June Weather	19°C (67°F)	79 mm (3.1 inches)	77%	very high
July Weather	20°C (68°F)	78 mm (3.1 inches)	76%	very high
August Weather	20°C (69°F)	89 mm (3.5 inches)	76%	high
September Weather	15°C (60°F)	77 mm (3.0 inches)	75%	high
October Weather	11°C (51°F)	71 mm (2.8 inches)	85%	moderate
November Weather	6°C (43°F)	43 mm (1.7 inches)	90%	low
December Weather	2°C (36°F)	56 mm (2.2 inches)	91%	low