April Weather in Osek, Czech Republic

Last updated: August 23, 2025

In Osek, Czech Republic, the average temperature in April hovers around 9°C (48°F). While you may experience chilly days with a minimum of -5°C (22°F), warm spells can reach up to 26°C (79°F). Expect 36 mm (1.4 in) of precipitation over 8 days, contributing to an average humidity of 82%.

April Temperature in Osek

In April in Osek, the average temperature is 9°C (48°F), with maximums reaching 26°C (79°F) and minimums dropping as low as -5°C (22°F). This makes it a perfect time for travelers to enjoy a mix of mild and cooler weather, so be sure to pack accordingly!

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 (79°F) and lows dropping to around -5°C (22°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 precipitation amount is 36 mm (1.4 in) over a period of 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 36 mm (1.4 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 82%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that seeps into your bones, making it essential to dress in layers for your travels while keeping an umbrella handy for unexpected drizzles.

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 82%, 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 is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Osek, you can refer to this 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 6, which falls under the high 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 (32°F)	42 mm (1.6 inches)	91%	low
February Weather	1°C (35°F)	45 mm (1.8 inches)	89%	moderate
March Weather	4°C (40°F)	49 mm (1.9 inches)	87%	moderate
April Weather	9°C (48°F)	36 mm (1.4 inches)	82%	high
May Weather	13°C (55°F)	84 mm (3.3 inches)	76%	very high
June Weather	18°C (65°F)	77 mm (3.0 inches)	80%	very high
July Weather	19°C (66°F)	66 mm (2.6 inches)	80%	very high
August Weather	19°C (67°F)	74 mm (2.9 inches)	82%	high
September Weather	14°C (58°F)	56 mm (2.2 inches)	82%	high
October Weather	10°C (50°F)	50 mm (2.0 inches)	87%	moderate
November Weather	4°C (40°F)	35 mm (1.4 inches)	89%	low
December Weather	1°C (35°F)	55 mm (2.2 inches)	92%	low