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December Weather in Petrila, Romania

Last updated: August 27, 2025

In December, the average temperature in Petrila, Romania hovers around -2°C (29°F). Expect chilly days with minimum temperatures dipping to -17°C (1°F) and a pleasant maximum of 11°C (53°F). Be prepared for a fair share of rain, with 103 mm (4.1 in) of precipitation over 17 days, accompanied by high humidity levels of 90%.

December Temperature in Petrila

In December in Petrila, the average temperature is -2°C (29°F). The maximum can reach 11°C (53°F), while the minimum can drop as low as -17°C (1°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for chilly conditions.

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

The chart illustrates December temperature patterns in Petrila, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Petrila, December typically has an average temperature of -2°C (29°F), with highs reaching up to 11°C (53°F) and lows dropping to around -17°C (1°F).
JanFebMarAprMayJunJulAugSepOctNovDec232933415058616254463829
Data source: Temperature data for Petrila 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 Petrila

In Petrila in December, the precipitation amount is 103 mm (4.1 in) over the course of 17 days.

December Precipitation Trends in Petrila

The chart displays monthly precipitation patterns in Petrila, 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 Petrila, December typically receives around 103 mm (4.1 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec59688187194212158133626568103
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Petrila

In Petrila in December, humidity is 90%. With an average temperature of -2°C (29°F), this humidity feels like an icy breath enveloping you, making every step outdoors feel even colder and more biting, while also creating a heavy, wet atmosphere that can dampen your spirits for traveling.

December Average Humidity in Petrila

This chart illustrates the average monthly humidity levels in Petrila, 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 Petrila is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%86%83%74%70%67%65%51%58%80%88%90%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Petrila

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

Maximum UV Index Levels in Petrila for December

The chart shows the monthly maximum UV Index (UVI) for Petrila 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 Petrila typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2467810997532
Data source: Petrila 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 Petrila Compares to Other Months

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

This table compares monthly weather conditions in Petrila, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (24°F)59 mm (2.3 inches)91%low
February Weather-2°C (29°F)68 mm (2.7 inches)86%moderate
March Weather1°C (34°F)81 mm (3.2 inches)83%high
April Weather5°C (42°F)87 mm (3.4 inches)74%high
May Weather10°C (51°F)194 mm (7.7 inches)70%very high
June Weather14°C (58°F)212 mm (8.4 inches)67%very high
July Weather16°C (61°F)158 mm (6.2 inches)65%very high
August Weather17°C (62°F)133 mm (5.2 inches)51%very high
September Weather12°C (54°F)62 mm (2.5 inches)58%high
October Weather8°C (46°F)65 mm (2.6 inches)80%moderate
November Weather3°C (38°F)68 mm (2.7 inches)88%moderate
December Weather-2°C (29°F)103 mm (4.1 inches)90%low

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