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December Weather in Vieru, Romania

Last updated: August 27, 2025

In December, the average temperature in Vieru, Romania hovers around 3°C (38°F), with fluctuations that can range from a chilly -12°C (11°F) to a mild 18°C (64°F). During this time, expect around 61 mm (2.4 in) of precipitation over approximately 11 days, and a notable average humidity of 87%, making the air feel quite damp.

December Temperature in Vieru

In December in Vieru, the average temperature is 3°C (38°F). Maximums can reach 18°C (64°F) and minimums can be as low as -12°C (11°F). Travelers should be prepared for chilly weather and pack accordingly for both warm daytime activities and cold evenings.

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

The chart illustrates December temperature patterns in Vieru, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vieru, December typically has an average temperature of 3°C (38°F), with highs reaching up to 18°C (64°F) and lows dropping to around -12°C (11°F).
JanFebMarAprMayJunJulAugSepOctNovDec323845546472767869574637
Data source: Temperature data for Vieru 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 Vieru

In Vieru in December, the total precipitation amount is 61 mm (2.4 in) over the course of 11 days.

December Precipitation Trends in Vieru

The chart displays monthly precipitation patterns in Vieru, 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 Vieru, December typically receives around 61 mm (2.4 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec4144643864110822720634361
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Vieru

In Vieru in December humidity is 87%. With an average temperature of 3°C (38°F), this humidity feels like a chilly blanket wrapped around you, making travel quite uncomfortable as the cold dampness seeps into your clothes and lingers in the air, often leaving you shivering and longing for warmer, drier conditions.

December Average Humidity in Vieru

This chart illustrates the average monthly humidity levels in Vieru, 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 Vieru is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%84%81%70%72%66%62%48%58%78%85%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Vieru

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

Maximum UV Index Levels in Vieru for December

The chart shows the monthly maximum UV Index (UVI) for Vieru 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 Vieru typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec236789987532
Data source: Vieru 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 Vieru Compares to Other Months

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

This table compares monthly weather conditions in Vieru, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)41 mm (1.6 inches)88%low
February Weather3°C (38°F)44 mm (1.7 inches)84%moderate
March Weather7°C (45°F)64 mm (2.5 inches)81%high
April Weather12°C (55°F)38 mm (1.5 inches)70%high
May Weather18°C (64°F)64 mm (2.5 inches)72%very high
June Weather22°C (72°F)110 mm (4.3 inches)66%very high
July Weather24°C (76°F)82 mm (3.2 inches)62%very high
August Weather25°C (78°F)27 mm (1.1 inches)48%very high
September Weather20°C (69°F)20 mm (0.8 inches)58%high
October Weather14°C (57°F)63 mm (2.5 inches)78%moderate
November Weather8°C (47°F)43 mm (1.7 inches)85%moderate
December Weather3°C (38°F)61 mm (2.4 inches)87%low

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