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April Weather in Osek, Czech Republic

Last updated: August 23, 2025

In Osek, Czech Republic, the average temperature in April is a cool 8°C (48°F). However, temperatures can vary significantly, with a minimum of -5°C (23°F) and a maximum of 26°C (79°F). You can expect about 43 mm (1.7 in) of precipitation over 9 days, contributing to an average humidity of 82%.

April Temperature in Osek

In April in Osek, the average temperature is 8°C (48°F). Maximums can reach 26°C (79°F), while minimums can drop as low as -5°C (23°F). This varied climate makes Osek a perfect destination for travelers who enjoy experiencing both mild and cooler weather.

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 8°C (48°F), with highs reaching up to 26°C (79°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec313539475565656657493935
Data source: Temperature data for Osek generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Osek

In Osek in April, the precipitation amount reaches 43 mm (1.7 in) over the course of 9 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 43 mm (1.7 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec444747439595829265504155
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Osek

In Osek in April, humidity is 82%. With an average temperature of 8°C (48°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration feel less invigorating and more like a constant struggle against the cold and moisture.

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.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%82%76%80%80%82%82%87%89%92%
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.
JanFebMarAprMayJunJulAugSepOctNovDec235689986421
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.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)44 mm (1.7 inches)91%low
February Weather1°C (35°F)47 mm (1.9 inches)89%moderate
March Weather4°C (40°F)47 mm (1.8 inches)87%moderate
April Weather8°C (48°F)43 mm (1.7 inches)82%high
May Weather13°C (55°F)95 mm (3.8 inches)76%very high
June Weather18°C (65°F)95 mm (3.7 inches)80%very high
July Weather19°C (66°F)82 mm (3.2 inches)80%very high
August Weather19°C (66°F)92 mm (3.6 inches)82%very high
September Weather14°C (58°F)65 mm (2.5 inches)82%high
October Weather10°C (50°F)50 mm (2.0 inches)87%moderate
November Weather4°C (40°F)41 mm (1.6 inches)89%low
December Weather1°C (35°F)55 mm (2.2 inches)92%low

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