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December Weather in Helegiu, Romania

Last updated: August 27, 2025

In December, the average temperature in Helegiu, Romania hovers around 1°C (34°F). Temperatures can dip as low as -13°C (8°F) and rise up to 16°C (60°F). Expect about 59 mm (2.3 in) of precipitation over approximately 10 days, accompanied by a high average humidity of 90%.

December Temperature in Helegiu

In December in Helegiu, the average temperature is 1°C (34°F), with maximums reaching 16°C (60°F) and minimums dropping as low as -13°C (8°F). Be prepared for a mix of chilly and milder weather while exploring the beautiful landscapes of Helegiu.

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

The chart illustrates December temperature patterns in Helegiu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Helegiu, December typically has an average temperature of 1°C (34°F), with highs reaching up to 16°C (60°F) and lows dropping to around -13°C (8°F).
JanFebMarAprMayJunJulAugSepOctNovDec293439495966687061514134
Data source: Temperature data for Helegiu 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 Helegiu

In Helegiu in December, the precipitation amount is 59 mm (2.3 in) over the course of 10 days.

December Precipitation Trends in Helegiu

The chart displays monthly precipitation patterns in Helegiu, 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 Helegiu, December typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec3141485067134905235403860
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Helegiu

In Helegiu in December, humidity is 90%. With an average temperature of 1°C (34°F), this humidity feels like you're wrapped in a cold, damp blanket, making travel uncomfortable and requiring extra layers to combat the chill.

December Average Humidity in Helegiu

This chart illustrates the average monthly humidity levels in Helegiu, 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 Helegiu is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%88%86%79%73%73%69%56%62%81%89%90%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Helegiu

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

Maximum UV Index Levels in Helegiu for December

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

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

This table compares monthly weather conditions in Helegiu, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)31 mm (1.2 inches)92%low
February Weather1°C (34°F)41 mm (1.6 inches)88%moderate
March Weather4°C (40°F)47 mm (1.9 inches)86%moderate
April Weather9°C (49°F)50 mm (2.0 inches)79%high
May Weather15°C (59°F)67 mm (2.6 inches)73%very high
June Weather19°C (67°F)134 mm (5.3 inches)73%very high
July Weather20°C (69°F)89 mm (3.5 inches)68%very high
August Weather21°C (70°F)52 mm (2.0 inches)56%very high
September Weather16°C (61°F)35 mm (1.4 inches)62%high
October Weather11°C (51°F)40 mm (1.6 inches)80%moderate
November Weather5°C (41°F)38 mm (1.5 inches)89%moderate
December Weather1°C (34°F)59 mm (2.3 inches)90%low

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