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December Weather in Vilaca, Portugal

Last updated: August 27, 2025

In December, the average temperature in Vilaca, Portugal hovers around 10°C (51°F). Expect chilly nights with minimums dipping to -1°C (31°F), while daytime highs can reach up to 19°C (66°F). Rain is frequent, with an average precipitation of 218 mm (8.6 in) spread across 17 days. Additionally, brace yourself for a high humidity level of 87%, making it a moist month overall.

December Temperature in Vilaca

In December in Vilaca, the average temperature is 10°C (51°F). Maximum temperatures can reach 19°C (66°F), while the minimum can drop as low as -1°C (31°F). Be prepared for a mix of mild days and chilly nights during your travels.

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

The chart illustrates December temperature patterns in Vilaca, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vilaca, December typically has an average temperature of 10°C (51°F), with highs reaching up to 19°C (66°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec475153576265707067615351
Data source: Temperature data for Vilaca 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 Vilaca

In Vilaca in December, the total precipitation amount is 218 mm (8.6 in) over the course of 17 days.

December Precipitation Trends in Vilaca

The chart displays monthly precipitation patterns in Vilaca, 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 Vilaca, December typically receives around 218 mm (8.6 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec1161691711629554252444143189218
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Vilaca

In Vilaca in December humidity is 87%. With an average temperature of 10°C (51°F), this humidity feels like a heavy blanket enveloping you, making outdoor activities uncomfortable and sticky, and often requiring frequent breaks to stay hydrated and cool.

December Average Humidity in Vilaca

This chart illustrates the average monthly humidity levels in Vilaca, 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 Vilaca 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 Vilaca

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

Maximum UV Index Levels in Vilaca for December

The chart shows the monthly maximum UV Index (UVI) for Vilaca 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 Vilaca typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24689111098642
Data source: Vilaca 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 Vilaca Compares to Other Months

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

This table compares monthly weather conditions in Vilaca, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)116 mm (4.5 inches)87%low
February Weather11°C (51°F)169 mm (6.7 inches)81%moderate
March Weather12°C (53°F)171 mm (6.7 inches)78%high
April Weather14°C (57°F)162 mm (6.4 inches)79%very high
May Weather17°C (62°F)95 mm (3.8 inches)78%very high
June Weather18°C (65°F)54 mm (2.1 inches)71%extreme
July Weather21°C (70°F)24 mm (1.0 inches)63%very high
August Weather21°C (70°F)24 mm (1.0 inches)64%very high
September Weather20°C (68°F)44 mm (1.7 inches)71%very high
October Weather16°C (61°F)143 mm (5.6 inches)79%high
November Weather12°C (54°F)189 mm (7.4 inches)86%moderate
December Weather10°C (51°F)218 mm (8.6 inches)87%low

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