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December Weather in Osek, Czech Republic

Last updated: August 23, 2025

In December, the average temperature in Osek, Czech Republic hovers around 1°C (35°F). Expect chilly conditions, with minimums plunging to -9°C (15°F) and maximums reaching up to 11°C (52°F). The region experiences approximately 57 mm (2.2 in) of precipitation over 12 days, contributing to a high average humidity of 92%. Prepare for a brisk and damp month ahead!

December Temperature in Osek

In December in Osek, the average temperature is 1°C (35°F). The maximum can reach 11°C (52°F), and the minimum can be as low as -9°C (15°F). Visitors should be prepared for chilly weather and bring warm clothing for their trip.

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

The chart illustrates December 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, December typically has an average temperature of 1°C (35°F), with highs reaching up to 11°C (52°F) and lows dropping to around -9°C (15°F).
JanFebMarAprMayJunJulAugSepOctNovDec313439475564656657493934
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.

December Precipitation in Osek

In Osek in December, the precipitation amount is 57 mm (2.2 in) over a span of 12 days.

December Precipitation Trends in Osek

The chart displays monthly precipitation patterns in Osek, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Osek, December typically receives around 57 mm (2.2 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec454853409790778763553757
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Osek

In Osek in December, humidity is 92%. With an average temperature of 1°C (35°F), this humidity feels like a chilly dampness that seeps into your bones, making traveling uncomfortable and requiring extra layers to stay warm and dry.

December Average Humidity in Osek

This chart illustrates the average monthly humidity levels in Osek, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Osek is approximately 92%, 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 December generated using information from the Copernicus Climate Change Service.

December UV Index in Osek

In Osek in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Osek.

Maximum UV Index Levels in Osek for December

The chart shows the monthly maximum UV Index (UVI) for Osek in December, 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 December, the maximum UV index in Osek typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235688876421
Data source: Osek December 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 December 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 December’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 December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)45 mm (1.8 inches)91%low
February Weather1°C (34°F)48 mm (1.9 inches)89%moderate
March Weather4°C (39°F)53 mm (2.1 inches)87%moderate
April Weather8°C (47°F)40 mm (1.6 inches)82%high
May Weather13°C (55°F)96 mm (3.8 inches)76%very high
June Weather18°C (65°F)90 mm (3.5 inches)80%very high
July Weather19°C (66°F)77 mm (3.0 inches)80%very high
August Weather19°C (66°F)87 mm (3.4 inches)82%high
September Weather14°C (58°F)63 mm (2.5 inches)82%high
October Weather10°C (49°F)55 mm (2.2 inches)87%moderate
November Weather4°C (40°F)37 mm (1.5 inches)89%low
December Weather1°C (35°F)57 mm (2.2 inches)92%low

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