April Weather in Osek, Czech Republic

Last updated: August 23, 2025

In April, the average temperature in Osek, Czech Republic is a comfortable 9°C (48°F). However, be prepared for temperature fluctuations, with a minimum of -5°C (23°F) and a maximum reaching up to 26°C (80°F). Expect some rain, as precipitation averages 28 mm (1.1 in) over 8 days, and don't forget to account for the high humidity levels, which sit around 81%.

April Temperature in Osek

In April in Osek, the average temperature is 9°C (48°F). Maximum temperatures can reach 26°C (80°F), while minimums can dip as low as -5°C (23°F). This means travelers should be prepared for a range of weather conditions, making it a good idea to pack both warm clothing and lighter layers.

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

The chart illustrates April temperature patterns in Osek, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Osek, April typically has an average temperature of 9°C (48°F), with highs reaching up to 26°C (80°F) and lows dropping to around -5°C (23°F).

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

April Precipitation in Osek

In Osek in April, the total precipitation amount is 28 mm (1.1 in) spread over 8 days.

April Precipitation Trends in Osek

The chart displays monthly precipitation patterns in Osek, 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 Osek, April typically receives around 28 mm (1.1 inches) of precipitation spread over approximately 8 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

April Humidity in Osek

In Osek in April, humidity is 81%. With an average temperature of 9°C (48°F), this humidity feels like a chilly, damp embrace that can make outdoor activities less enjoyable and may require extra layers to stay comfortable while traveling.

April Average Humidity in Osek

This chart illustrates the average monthly humidity levels in Osek, 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 Osek is approximately 81%, 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 Osek

In Osek in April, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Osek.

Maximum UV Index Levels in Osek for April

The chart shows the monthly maximum UV Index (UVI) for Osek 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 Osek typically reaches 5, which falls under the moderate exposure category.

Data source: Osek 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 Osek Compares to Other Months

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

This table compares monthly weather conditions in Osek, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (33°F)	41 mm (1.6 inches)	90%	low
February Weather	1°C (35°F)	40 mm (1.6 inches)	89%	low
March Weather	4°C (40°F)	41 mm (1.6 inches)	87%	moderate
April Weather	9°C (48°F)	28 mm (1.1 inches)	81%	moderate
May Weather	13°C (56°F)	57 mm (2.3 inches)	71%	very high
June Weather	19°C (67°F)	53 mm (2.1 inches)	75%	very high
July Weather	20°C (68°F)	53 mm (2.1 inches)	74%	very high
August Weather	20°C (68°F)	79 mm (3.1 inches)	76%	high
September Weather	15°C (59°F)	52 mm (2.1 inches)	81%	high
October Weather	10°C (50°F)	52 mm (2.0 inches)	85%	moderate
November Weather	4°C (40°F)	35 mm (1.4 inches)	88%	low
December Weather	2°C (35°F)	47 mm (1.8 inches)	92%	low