April Weather in Caslav, Czech Republic

Last updated: August 23, 2025

In April, the average temperature in Caslav, Czech Republic is a cool 9°C (49°F), with fluctuations ranging from a minimum of -6°C (21°F) to a warm maximum of 27°C (81°F). During this time, expect around 40 mm (1.6 in) of precipitation over 9 days, coupled with an average humidity level of 78%.

April Temperature in Caslav

In April in Caslav, the average temperature is 9°C (49°F). The maximum can reach 27°C (81°F), and the minimum can be as low as -6°C (21°F). Travelers should be prepared for a wide range of temperatures, making layering clothing essential for comfort during their visit.

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

The chart illustrates April 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, April typically has an average temperature of 9°C (49°F), with highs reaching up to 27°C (81°F) and lows dropping to around -6°C (21°F).

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

April Precipitation in Caslav

In Caslav in April, the precipitation amount is 40 mm (1.6 in) over the course of 9 days.

April Precipitation Trends in Caslav

The chart displays monthly precipitation patterns in Caslav, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Caslav, April typically receives around 40 mm (1.6 inches) of precipitation spread over approximately 9 days.

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

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Millimeters (mm) Inches (in)

April Humidity in Caslav

In Caslav in April, humidity is 78%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that clings to your skin, making it essential to dress in layers while traveling, as the cool air combines with the moisture to create a brisk and invigorating atmosphere.

April Average Humidity in Caslav

This chart illustrates the average monthly humidity levels in Caslav, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Caslav is approximately 78%, offering insight into how humid the weather typically is during this month.

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

April UV Index in Caslav

In Caslav in April, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Caslav, you can refer to this Hourly UV Index in Caslav.

Maximum UV Index Levels in Caslav for April

The chart shows the monthly maximum UV Index (UVI) for Caslav in April, 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 April, the maximum UV index in Caslav typically reaches 6, which falls under the high exposure category.

Data source: Caslav April 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 April 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 April’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 April’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