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December Weather in Crnomelj, Slovenia

Last updated: August 27, 2025

In December, the average temperature in Crnomelj, Slovenia hovers around 3°C (38°F), with extremes ranging from a chilly -14°C (7°F) to a mild 17°C (63°F). Expect 117 mm (4.6 in) of precipitation spread over 11 days, contributing to a high average humidity of 88%. Embrace the unique climate that this month brings!

December Temperature in Crnomelj

In December in Crnomelj, the average temperature is 3°C (38°F). Maximum temperatures can reach 17°C (63°F), while minimums can dip as low as -14°C (7°F). Be prepared for a wide range of temperatures if you plan to travel during this time.

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

The chart illustrates December temperature patterns in Crnomelj, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Crnomelj, December typically has an average temperature of 3°C (38°F), with highs reaching up to 17°C (63°F) and lows dropping to around -14°C (7°F).
JanFebMarAprMayJunJulAugSepOctNovDec343943515968707161534537
Data source: Temperature data for Crnomelj 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 Crnomelj

In Crnomelj in December, the total precipitation amount reaches 117 mm (4.6 in) over the course of 11 days.

December Precipitation Trends in Crnomelj

The chart displays monthly precipitation patterns in Crnomelj, 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 Crnomelj, December typically receives around 117 mm (4.6 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec629267891538310698138112118117
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Crnomelj

In Crnomelj in December, humidity is 88%. With an average temperature of 3°C (38°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and requiring extra layers to stay comfortable while traveling.

December Average Humidity in Crnomelj

This chart illustrates the average monthly humidity levels in Crnomelj, 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 Crnomelj is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%83%75%72%70%69%64%51%62%81%87%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Crnomelj

In Crnomelj in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Crnomelj, you can visit Hourly UV Index in Crnomelj.

Maximum UV Index Levels in Crnomelj for December

The chart shows the monthly maximum UV Index (UVI) for Crnomelj 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 Crnomelj typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986532
Data source: Crnomelj 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 Crnomelj Compares to Other Months

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

This table compares monthly weather conditions in Crnomelj, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)62 mm (2.4 inches)89%low
February Weather4°C (40°F)92 mm (3.6 inches)83%moderate
March Weather6°C (44°F)67 mm (2.6 inches)75%moderate
April Weather11°C (51°F)89 mm (3.5 inches)72%high
May Weather15°C (59°F)153 mm (6.0 inches)70%very high
June Weather20°C (69°F)83 mm (3.3 inches)69%very high
July Weather21°C (71°F)106 mm (4.2 inches)64%very high
August Weather21°C (71°F)98 mm (3.9 inches)51%very high
September Weather16°C (61°F)138 mm (5.4 inches)62%high
October Weather12°C (53°F)112 mm (4.4 inches)81%moderate
November Weather7°C (45°F)118 mm (4.6 inches)87%moderate
December Weather3°C (38°F)117 mm (4.6 inches)88%low

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