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December Weather in Vrtojba, Slovenia

Last updated: August 27, 2025

In December, the average temperature in Vrtojba, Slovenia is a chilly 3°C (37°F), with temperatures dipping as low as -8°C (19°F) and rising to a maximum of 12°C (54°F). Expect 186 mm (7.3 in) of precipitation spread over 11 days, contributing to a humid atmosphere with an average humidity of 88%. Be prepared for a mix of cool temperatures and wet conditions!

December Temperature in Vrtojba

In December in Vrtojba, the average temperature is 3°C (37°F). Maximums can reach 12°C (54°F) and minimums can be as low as -8°C (19°F). It's advisable to pack warm clothing and be prepared for chilly conditions while exploring the area.

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

The chart illustrates December temperature patterns in Vrtojba, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vrtojba, December typically has an average temperature of 3°C (37°F), with highs reaching up to 12°C (54°F) and lows dropping to around -8°C (19°F).
JanFebMarAprMayJunJulAugSepOctNovDec343943515868707161534537
Data source: Temperature data for Vrtojba 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 Vrtojba

In Vrtojba in December, the total precipitation amount reaches 186 mm (7.3 in) over a span of 11 days.

December Precipitation Trends in Vrtojba

The chart displays monthly precipitation patterns in Vrtojba, 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 Vrtojba, December typically receives around 186 mm (7.3 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec73142111149233134129123188151209186
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Vrtojba

In Vrtojba in December, humidity is 88%. With an average temperature of 3°C (37°F), this humidity feels like a chilling fog that clings to your skin, making every step outside a damp and brisk challenge for travelers.

December Average Humidity in Vrtojba

This chart illustrates the average monthly humidity levels in Vrtojba, 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 Vrtojba 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 Vrtojba

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

Maximum UV Index Levels in Vrtojba for December

The chart shows the monthly maximum UV Index (UVI) for Vrtojba 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 Vrtojba typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987432
Data source: Vrtojba 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 Vrtojba Compares to Other Months

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

This table compares monthly weather conditions in Vrtojba, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (35°F)73 mm (2.9 inches)88%low
February Weather4°C (39°F)142 mm (5.6 inches)82%moderate
March Weather6°C (43°F)111 mm (4.4 inches)73%moderate
April Weather10°C (51°F)149 mm (5.9 inches)73%high
May Weather14°C (58°F)233 mm (9.2 inches)70%very high
June Weather20°C (68°F)134 mm (5.3 inches)69%very high
July Weather21°C (70°F)129 mm (5.1 inches)63%very high
August Weather21°C (71°F)123 mm (4.8 inches)51%very high
September Weather16°C (62°F)188 mm (7.4 inches)64%high
October Weather12°C (53°F)151 mm (6.0 inches)83%moderate
November Weather7°C (45°F)209 mm (8.2 inches)89%moderate
December Weather3°C (37°F)186 mm (7.3 inches)88%low

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