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December Weather in Cabanas de Viriato, Portugal

Last updated: August 27, 2025

The average temperature in Cabanas de Viriato, Portugal during December hovers around 9°C (49°F), making for a brisk climate. Expect temperatures to dip as low as -3°C (27°F) and rise to a mild 18°C (64°F). Be prepared for some wet days, as the region sees an average precipitation of 142 mm (5.6 in) over 13 days, accompanied by high humidity levels of 87%.

December Temperature in Cabanas de Viriato

In December in Cabanas de Viriato, the average temperature is 9°C (49°F). Maximums can reach 18°C (64°F), and minimums can be as low as -3°C (27°F). Be prepared for a mix of cool and mild weather while traveling, and ensure you pack layers to stay comfortable during your visit.

December Weather in Cabanas de Viriato: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Cabanas de Viriato, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cabanas de Viriato, December typically has an average temperature of 9°C (49°F), with highs reaching up to 18°C (64°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec455052556165707167615248
Data source: Temperature data for Cabanas de Viriato 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 Cabanas de Viriato

In Cabanas de Viriato in December, the precipitation amount is 142 mm (5.6 in) spread over 13 days.

December Precipitation Trends in Cabanas de Viriato

The chart displays monthly precipitation patterns in Cabanas de Viriato, 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 Cabanas de Viriato, December typically receives around 142 mm (5.6 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec73112136126533610133794133142
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Cabanas de Viriato

In Cabanas de Viriato in December humidity is 87%. With an average temperature of 9°C (49°F), this humidity feels like a damp blanket wrapping around you, making travel uncomfortable and leaving you yearning for a dry breeze to refresh your spirit.

December Average Humidity in Cabanas de Viriato

This chart illustrates the average monthly humidity levels in Cabanas de Viriato, 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 Cabanas de Viriato is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%81%78%79%78%71%63%64%71%79%86%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Cabanas de Viriato

In Cabanas de Viriato in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Cabanas de Viriato, you can check the information here.

Maximum UV Index Levels in Cabanas de Viriato for December

The chart shows the monthly maximum UV Index (UVI) for Cabanas de Viriato 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 Cabanas de Viriato typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346910111098643
Data source: Cabanas de Viriato 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 Cabanas de Viriato Compares to Other Months

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

This table compares monthly weather conditions in Cabanas de Viriato, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (46°F)73 mm (2.9 inches)87%moderate
February Weather10°C (50°F)112 mm (4.4 inches)81%moderate
March Weather11°C (52°F)136 mm (5.4 inches)78%high
April Weather13°C (56°F)126 mm (5.0 inches)79%very high
May Weather16°C (62°F)53 mm (2.1 inches)78%very high
June Weather18°C (65°F)36 mm (1.4 inches)71%extreme
July Weather21°C (70°F)10 mm (0.4 inches)63%very high
August Weather21°C (71°F)13 mm (0.5 inches)64%very high
September Weather20°C (68°F)37 mm (1.5 inches)71%very high
October Weather16°C (61°F)94 mm (3.7 inches)79%high
November Weather11°C (52°F)133 mm (5.2 inches)86%moderate
December Weather9°C (49°F)142 mm (5.6 inches)87%moderate

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