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December Weather in Serdica, Slovenia

Last updated: August 27, 2025

In Serdica, Slovenia, the average temperature in December hovers around 2°C (36°F). During this time, temperatures can dip to a chilling -7°C (20°F) or rise to a pleasant 17°C (62°F). Expect 58 mm (2.3 in) of precipitation spread over 8 days, and prepare for a notably high average humidity of 89%.

December Temperature in Serdica

In December in Serdica, the average temperature is 2°C (36°F), with maximums reaching 17°C (62°F) and minimums dropping as low as -7°C (20°F). It's advisable to pack layers and be prepared for a mix of chilly and mild weather.

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

The chart illustrates December temperature patterns in Serdica, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Serdica, December typically has an average temperature of 2°C (36°F), with highs reaching up to 17°C (62°F) and lows dropping to around -7°C (20°F).
JanFebMarAprMayJunJulAugSepOctNovDec333944536070727262534436
Data source: Temperature data for Serdica 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 Serdica

In Serdica in December, the precipitation amount is 58 mm (2.3 in) over a span of 8 days.

December Precipitation Trends in Serdica

The chart displays monthly precipitation patterns in Serdica, 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 Serdica, December typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec26433649115908490110557258
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Serdica

In Serdica in December, humidity is 89%. With an average temperature of 2°C (36°F), this humidity feels like an uncomfortable chill that clings to your skin, making outdoor activities feel even colder and less inviting for traveling.

December Average Humidity in Serdica

This chart illustrates the average monthly humidity levels in Serdica, 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 Serdica is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%84%78%73%71%73%70%60%65%84%89%89%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Serdica

In Serdica 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 Serdica.

Maximum UV Index Levels in Serdica for December

The chart shows the monthly maximum UV Index (UVI) for Serdica 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 Serdica typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986421
Data source: Serdica 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 Serdica Compares to Other Months

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

This table compares monthly weather conditions in Serdica, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)26 mm (1.0 inches)90%low
February Weather4°C (39°F)43 mm (1.7 inches)84%moderate
March Weather7°C (44°F)36 mm (1.4 inches)78%moderate
April Weather12°C (53°F)49 mm (1.9 inches)73%high
May Weather16°C (60°F)115 mm (4.5 inches)71%very high
June Weather21°C (70°F)90 mm (3.5 inches)73%very high
July Weather22°C (72°F)84 mm (3.3 inches)70%very high
August Weather22°C (72°F)90 mm (3.5 inches)60%very high
September Weather17°C (63°F)110 mm (4.3 inches)65%high
October Weather12°C (54°F)55 mm (2.1 inches)84%moderate
November Weather7°C (44°F)72 mm (2.8 inches)89%low
December Weather2°C (36°F)58 mm (2.3 inches)89%low

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