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December Weather in Vale da Amoreira, Portugal

Last updated: August 27, 2025

In December, the average temperature in Vale da Amoreira, Portugal hovers around 11°C (52°F). This month can see temperatures ranging from a chilly -1°C (31°F) to a pleasant 20°C (68°F). Expect about 63 mm (2.5 in) of precipitation over approximately 9 days, with an average humidity of 85%, creating a refreshing yet damp atmosphere.

December Temperature in Vale da Amoreira

In December in Vale da Amoreira, the average temperature is 11°C (52°F), with maximums reaching up to 20°C (68°F) and minimums dropping as low as -1°C (31°F). It's a time to pack layers and enjoy the mild weather while exploring the beauty of Vale da Amoreira.

December Weather in Vale da Amoreira: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Vale da Amoreira, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vale da Amoreira, December typically has an average temperature of 11°C (52°F), with highs reaching up to 20°C (68°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec485355596670757673655552
Data source: Temperature data for Vale da Amoreira 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 Vale da Amoreira

In Vale da Amoreira in December, the total precipitation amount is 63 mm (2.5 in) spread over a duration of 9 days.

December Precipitation Trends in Vale da Amoreira

The chart displays monthly precipitation patterns in Vale da Amoreira, 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 Vale da Amoreira, December typically receives around 63 mm (2.5 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec3447827733134524436963
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Vale da Amoreira

In Vale da Amoreira in December, humidity is 85%. With an average temperature of 11°C (52°F), this humidity feels like a damp blanket wrapping around you, making travel quite uncomfortable as the air feels heavy and can sap your energy.

December Average Humidity in Vale da Amoreira

This chart illustrates the average monthly humidity levels in Vale da Amoreira, 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 Vale da Amoreira 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 Vale da Amoreira

In Vale da Amoreira 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 Vale da Amoreira, you can check the information here.

Maximum UV Index Levels in Vale da Amoreira for December

The chart shows the monthly maximum UV Index (UVI) for Vale da Amoreira 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 Vale da Amoreira typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3469101110108643
Data source: Vale da Amoreira 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 Vale da Amoreira Compares to Other Months

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

This table compares monthly weather conditions in Vale da Amoreira, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (48°F)34 mm (1.3 inches)85%moderate
February Weather11°C (53°F)47 mm (1.9 inches)75%moderate
March Weather13°C (55°F)82 mm (3.2 inches)72%high
April Weather15°C (59°F)77 mm (3.0 inches)70%very high
May Weather19°C (66°F)33 mm (1.3 inches)70%very high
June Weather21°C (70°F)13 mm (0.5 inches)63%extreme
July Weather24°C (75°F)4 mm (0.2 inches)60%very high
August Weather25°C (76°F)4 mm (0.2 inches)60%very high
September Weather23°C (73°F)24 mm (0.9 inches)67%very high
October Weather18°C (65°F)43 mm (1.7 inches)74%high
November Weather13°C (56°F)69 mm (2.7 inches)83%moderate
December Weather11°C (52°F)63 mm (2.5 inches)85%moderate

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