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December Weather in Heralec, Czech Republic

Last updated: August 23, 2025

In December, the average temperature in Heralec, Czech Republic is a brisk 1°C (34°F). Expect to experience minimums as low as -12°C (11°F) and maximums peaking at 11°C (52°F). During this time, 64 mm (2.5 in) of precipitation is typical, spread across about 13 days. Additionally, the average humidity lingers at a high 91%, making the air feel even cooler.

December Temperature in Heralec

In December in Heralec, the average temperature is 1°C (34°F), with maximums reaching 11°C (52°F) and minimums dropping as low as -12°C (11°F). Be sure to pack warm clothing if you're planning to travel during this chilly month!

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

The chart illustrates December temperature patterns in Heralec, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Heralec, December typically has an average temperature of 1°C (34°F), with highs reaching up to 11°C (52°F) and lows dropping to around -12°C (11°F).
JanFebMarAprMayJunJulAugSepOctNovDec293338465464656657494033
Data source: Temperature data for Heralec 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 Heralec

In Heralec in December, the precipitation amount is 64 mm (2.5 in) spread over 13 days.

December Precipitation Trends in Heralec

The chart displays monthly precipitation patterns in Heralec, 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 Heralec, December typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec495250459683918593754464
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Heralec

In Heralec in December, humidity is 91%. With an average temperature of 1°C (34°F), this humidity feels like an icy embrace, making traveling quite challenging as the air feels heavy and damp, leaving everything damp and cold, and requiring extra layers for comfort.

December Average Humidity in Heralec

This chart illustrates the average monthly humidity levels in Heralec, 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 Heralec is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%87%85%78%74%77%76%76%75%85%90%91%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Heralec

In Heralec 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 Heralec.

Maximum UV Index Levels in Heralec for December

The chart shows the monthly maximum UV Index (UVI) for Heralec 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 Heralec typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689876421
Data source: Heralec 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 Heralec Compares to Other Months

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

This table compares monthly weather conditions in Heralec, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)49 mm (1.9 inches)90%low
February Weather1°C (33°F)52 mm (2.0 inches)87%moderate
March Weather3°C (38°F)50 mm (2.0 inches)85%moderate
April Weather8°C (47°F)45 mm (1.8 inches)78%high
May Weather12°C (54°F)96 mm (3.8 inches)73%very high
June Weather18°C (64°F)83 mm (3.3 inches)77%very high
July Weather18°C (65°F)91 mm (3.6 inches)76%very high
August Weather19°C (66°F)85 mm (3.3 inches)76%high
September Weather14°C (57°F)93 mm (3.6 inches)75%high
October Weather9°C (49°F)75 mm (3.0 inches)85%moderate
November Weather4°C (40°F)44 mm (1.7 inches)90%low
December Weather1°C (34°F)64 mm (2.5 inches)91%low

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