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December Weather in Svaty Jan, Czech Republic

Last updated: August 23, 2025

In December, the average temperature in Svaty Jan, Czech Republic hovers around 2°C (35°F), with minimums plunging to -9°C (16°F) and maximums reaching up to 11°C (52°F). Expect 52 mm (2.1 in) of precipitation over 12 days, accompanied by a high average humidity level of 92%. Stay prepared for a chilly and damp month!

December Temperature in Svaty Jan

In December in Svaty Jan, the average temperature is 2°C (35°F), with maximums reaching 11°C (52°F) and minimums dropping as low as -9°C (16°F). Travelers should be prepared for chilly conditions and pack accordingly to stay warm during their visit.

December Weather in Svaty Jan: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Svaty Jan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Svaty Jan, December typically has an average temperature of 2°C (35°F), with highs reaching up to 11°C (52°F) and lows dropping to around -9°C (16°F).
JanFebMarAprMayJunJulAugSepOctNovDec323540485565666758504035
Data source: Temperature data for Svaty Jan 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 Svaty Jan

In Svaty Jan in December, the precipitation amount is 52 mm (2.1 in) occurring over a span of 12 days.

December Precipitation Trends in Svaty Jan

The chart displays monthly precipitation patterns in Svaty Jan, 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 Svaty Jan, December typically receives around 52 mm (2.1 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec424649399391728461563852
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Svaty Jan

In Svaty Jan in December humidity is 92%. With an average temperature of 2°C (35°F), this humidity feels like a damp, chilling fog that clings to your skin, making outdoor activities uncomfortable and travel challenging as you navigate through the heavy, cold air.

December Average Humidity in Svaty Jan

This chart illustrates the average monthly humidity levels in Svaty Jan, 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 Svaty Jan 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 Svaty Jan

In Svaty Jan 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 Svaty Jan.

Maximum UV Index Levels in Svaty Jan for December

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

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

This table compares monthly weather conditions in Svaty Jan, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)42 mm (1.7 inches)91%low
February Weather1°C (35°F)46 mm (1.8 inches)89%moderate
March Weather4°C (40°F)49 mm (1.9 inches)87%moderate
April Weather9°C (48°F)39 mm (1.5 inches)82%high
May Weather13°C (56°F)93 mm (3.6 inches)76%very high
June Weather18°C (65°F)91 mm (3.6 inches)80%very high
July Weather19°C (66°F)72 mm (2.8 inches)80%very high
August Weather19°C (67°F)84 mm (3.3 inches)82%high
September Weather14°C (58°F)61 mm (2.4 inches)82%high
October Weather10°C (50°F)56 mm (2.2 inches)87%moderate
November Weather5°C (41°F)38 mm (1.5 inches)89%low
December Weather2°C (35°F)52 mm (2.1 inches)92%low

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