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December Weather in Hrpelje, Slovenia

Last updated: August 27, 2025

In Hrpelje, Slovenia, the average temperature in December hovers around 4°C (40°F), with a minimum of -6°C (22°F) and a comfortable maximum of 15°C (59°F). Expect 153 mm (6.0 in) of precipitation spread across 11 days, accompanied by a high average humidity of 88%. Prepare for a cool, damp month!

December Temperature in Hrpelje

In December in Hrpelje, the average temperature is 4°C (40°F), with maximums reaching 15°C (59°F) and minimums dropping as low as -6°C (22°F). It's advisable to pack warm clothing and prepare for chilly conditions if you're planning to visit.

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

The chart illustrates December temperature patterns in Hrpelje, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hrpelje, December typically has an average temperature of 4°C (40°F), with highs reaching up to 15°C (59°F) and lows dropping to around -6°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec364145536070727364554739
Data source: Temperature data for Hrpelje 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 Hrpelje

In Hrpelje in December, the total precipitation amount is 153 mm (6.0 in) over the course of 11 days.

December Precipitation Trends in Hrpelje

The chart displays monthly precipitation patterns in Hrpelje, 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 Hrpelje, December typically receives around 153 mm (6.0 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec6112383108172969092171109164153
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Hrpelje

In Hrpelje in December, humidity is 88%. With an average temperature of 4°C (40°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration less enjoyable and prompting you to seek cozy indoor activities instead.

December Average Humidity in Hrpelje

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

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

Maximum UV Index Levels in Hrpelje for December

The chart shows the monthly maximum UV Index (UVI) for Hrpelje 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 Hrpelje typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987532
Data source: Hrpelje 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 Hrpelje Compares to Other Months

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

This table compares monthly weather conditions in Hrpelje, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)61 mm (2.4 inches)88%low
February Weather5°C (41°F)123 mm (4.9 inches)82%moderate
March Weather7°C (45°F)83 mm (3.3 inches)73%moderate
April Weather11°C (53°F)108 mm (4.2 inches)73%high
May Weather16°C (60°F)172 mm (6.8 inches)70%very high
June Weather21°C (70°F)96 mm (3.8 inches)69%very high
July Weather22°C (73°F)90 mm (3.5 inches)63%very high
August Weather23°C (74°F)92 mm (3.6 inches)51%very high
September Weather18°C (64°F)171 mm (6.7 inches)64%high
October Weather13°C (55°F)109 mm (4.3 inches)83%moderate
November Weather8°C (48°F)163 mm (6.4 inches)89%moderate
December Weather4°C (40°F)153 mm (6.0 inches)88%low

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