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December Weather in Osilnica, Slovenia

Last updated: August 27, 2025

In December, the average temperature in Osilnica, Slovenia hovers around 2°C (36°F), with minima reaching -15°C (6°F) and maxima soaring to 13°C (56°F). Expect 171 mm (6.7 in) of precipitation spread over 13 days, contributing to a high average humidity of 88%.

December Temperature in Osilnica

In December in Osilnica, the average temperature is 2°C (36°F). The maximum can reach 13°C (56°F), while the minimum can be as low as -15°C (6°F). Travelers should be prepared for chilly conditions and pack warm clothing to enjoy their visit fully.

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

The chart illustrates December temperature patterns in Osilnica, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Osilnica, December typically has an average temperature of 2°C (36°F), with highs reaching up to 13°C (56°F) and lows dropping to around -15°C (6°F).
JanFebMarAprMayJunJulAugSepOctNovDec323741485666686859514336
Data source: Temperature data for Osilnica 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 Osilnica

In Osilnica in December, the precipitation amount is 171 mm (6.7 in) over a period of 13 days.

December Precipitation Trends in Osilnica

The chart displays monthly precipitation patterns in Osilnica, 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 Osilnica, December typically receives around 171 mm (6.7 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec8113610211119010612498172137154171
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Osilnica

In Osilnica in December, humidity is 88%. With an average temperature of 2°C (36°F), this humidity feels like a cold, damp blanket wrapping around you, making traveling uncomfortable and energy-draining as every step through the chill seems heavier in the thick air.

December Average Humidity in Osilnica

This chart illustrates the average monthly humidity levels in Osilnica, 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 Osilnica is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%82%73%73%70%69%63%51%64%83%89%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Osilnica

In Osilnica 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 Osilnica, you can visit Hourly UV Index in Osilnica.

Maximum UV Index Levels in Osilnica for December

The chart shows the monthly maximum UV Index (UVI) for Osilnica 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 Osilnica typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235789987532
Data source: Osilnica 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 Osilnica Compares to Other Months

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

This table compares monthly weather conditions in Osilnica, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)81 mm (3.2 inches)88%low
February Weather3°C (38°F)136 mm (5.4 inches)82%moderate
March Weather5°C (41°F)102 mm (4.0 inches)73%moderate
April Weather9°C (49°F)111 mm (4.4 inches)73%high
May Weather13°C (56°F)190 mm (7.5 inches)70%very high
June Weather19°C (66°F)106 mm (4.2 inches)69%very high
July Weather20°C (68°F)124 mm (4.9 inches)63%very high
August Weather20°C (69°F)98 mm (3.9 inches)51%very high
September Weather15°C (59°F)172 mm (6.8 inches)64%high
October Weather11°C (51°F)137 mm (5.4 inches)83%moderate
November Weather6°C (43°F)154 mm (6.1 inches)89%moderate
December Weather2°C (36°F)171 mm (6.7 inches)88%low

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