December Weather in Byst, Czech Republic

Last updated: August 23, 2025

In December, the average temperature in Byst, Czech Republic hovers around 2°C (35°F). Be prepared for chilly days as the minimum drops to -11°C (12°F), while the maximum can reach 11°C (52°F). Expect about 59 mm (2.3 in) of precipitation spread over 13 days, contributing to an average humidity of 91%.

December Temperature in Byst

In December in Byst, the average temperature is 2°C (35°F). Maximums can reach 11°C (52°F) and minimums can be as low as -11°C (12°F). Travelers should be prepared for chilly weather and dress in layers to stay comfortable during their visit.

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

The chart illustrates December temperature patterns in Byst, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Byst, 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 -11°C (12°F).
JanFebMarAprMayJunJulAugSepOctNovDec323539485666666759504235
Data source: Temperature data for Byst 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 Byst

In Byst in December, the precipitation amount is 59 mm (2.3 in) spread over 13 days.

December Precipitation Trends in Byst

The chart displays monthly precipitation patterns in Byst, 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 Byst, December typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec455150388374738178674259
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Byst

In Byst in December, humidity is 91%. With an average temperature of 2°C (35°F), this humidity feels like a heavy blanket enveloping you, making travel rather uncomfortable and potentially discouraging for outdoor activities.

December Average Humidity in Byst

This chart illustrates the average monthly humidity levels in Byst, 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 Byst is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%87%84%78%63%63%61%65%72%80%87%91%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Byst

In Byst 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 Byst.

Maximum UV Index Levels in Byst for December

The chart shows the monthly maximum UV Index (UVI) for Byst 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 Byst typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234678876421
Data source: Byst 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 Byst Compares to Other Months

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

This table compares monthly weather conditions in Byst, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)45 mm (1.8 inches)89%low
February Weather1°C (35°F)51 mm (2.0 inches)87%moderate
March Weather4°C (40°F)50 mm (2.0 inches)84%moderate
April Weather9°C (48°F)38 mm (1.5 inches)78%high
May Weather13°C (56°F)83 mm (3.2 inches)63%high
June Weather19°C (66°F)74 mm (2.9 inches)63%very high
July Weather19°C (67°F)73 mm (2.9 inches)61%very high
August Weather20°C (68°F)81 mm (3.2 inches)65%high
September Weather15°C (59°F)78 mm (3.1 inches)72%high
October Weather10°C (51°F)67 mm (2.7 inches)80%moderate
November Weather5°C (42°F)42 mm (1.7 inches)87%low
December Weather2°C (35°F)59 mm (2.3 inches)91%low

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