December Weather in Vila de Rei, Portugal

Last updated: August 27, 2025

In December, the average temperature in Vila de Rei, Portugal is a mild 10°C (51°F). Expect conditions to vary, with minimum temperatures dipping to -1°C (31°F) and reaching a comfortable maximum of 19°C (66°F). This month also brings 102 mm (4.0 in) of precipitation over about 10 days, resulting in an average humidity level of 85%.

December Temperature in Vila de Rei

In December in Vila de Rei, 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 Vila de Rei: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Vila de Rei, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vila de Rei, 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).
JanFebMarAprMayJunJulAugSepOctNovDec475153576366717269635450
Data source: Temperature data for Vila de Rei 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 Vila de Rei

In Vila de Rei in December, the total precipitation amount is 102 mm (4.0 in) falling over the course of 10 days.

December Precipitation Trends in Vila de Rei

The chart displays monthly precipitation patterns in Vila de Rei, 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 Vila de Rei, December typically receives around 102 mm (4.0 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec56801221145724793881119102
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Vila de Rei

In Vila de Rei in December, humidity is 85%. With an average temperature of 10°C (51°F), this humidity feels like a damp chill enveloping you, making travel quite uncomfortable as your clothes cling to your skin and the air feels heavy, often leaving you longing for a dry, warmer environment.

December Average Humidity in Vila de Rei

This chart illustrates the average monthly humidity levels in Vila de Rei, 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 Vila de Rei is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%75%72%70%70%63%60%60%68%74%83%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Vila de Rei

In Vila de Rei 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 Vila de Rei, you can check the information here.

Maximum UV Index Levels in Vila de Rei for December

The chart shows the monthly maximum UV Index (UVI) for Vila de Rei 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 Vila de Rei typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346810111098643
Data source: Vila de Rei 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 Vila de Rei Compares to Other Months

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

This table compares monthly weather conditions in Vila de Rei, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)56 mm (2.2 inches)85%moderate
February Weather11°C (52°F)80 mm (3.1 inches)75%moderate
March Weather12°C (54°F)122 mm (4.8 inches)72%high
April Weather14°C (57°F)114 mm (4.5 inches)70%very high
May Weather17°C (63°F)57 mm (2.2 inches)70%very high
June Weather19°C (67°F)24 mm (1.0 inches)63%extreme
July Weather22°C (71°F)6 mm (0.3 inches)60%very high
August Weather22°C (72°F)9 mm (0.4 inches)60%very high
September Weather21°C (70°F)38 mm (1.5 inches)67%very high
October Weather17°C (63°F)81 mm (3.2 inches)74%high
November Weather12°C (54°F)119 mm (4.7 inches)83%moderate
December Weather10°C (51°F)102 mm (4.0 inches)85%moderate

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