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December Weather in Sao Bras de Alportel, Portugal

Last updated: August 27, 2025

In December, the average temperature in Sao Bras de Alportel, Portugal hovers around 12°C (53°F), with minimums dipping to 0°C (32°F) and maximums reaching 21°C (70°F). Expect some rain, as precipitation amounts to approximately 45 mm (1.8 in) over about 6 days. The average humidity sits at a comfortable 81%, making for a refreshing climate.

December Temperature in Sao Bras de Alportel

In December in Sao Bras de Alportel, the average temperature is 12°C (53°F). Maximums can reach 21°C (70°F), while minimums can drop as low as 0°C (32°F). It's a great time to explore Sao Bras de Alportel, so pack for both mild days and cooler evenings!

December Weather in Sao Bras de Alportel: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Sao Bras de Alportel, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sao Bras de Alportel, December typically has an average temperature of 12°C (53°F), with highs reaching up to 21°C (70°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec495355596670767873665753
Data source: Temperature data for Sao Bras de Alportel 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 Sao Bras de Alportel

In Sao Bras de Alportel in December, the precipitation amount is 45 mm (1.8 in) over the course of 6 days.

December Precipitation Trends in Sao Bras de Alportel

The chart displays monthly precipitation patterns in Sao Bras de Alportel, 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 Sao Bras de Alportel, December typically receives around 45 mm (1.8 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec234879712583115325645
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sao Bras de Alportel

In Sao Bras de Alportel in December, humidity is 81%. With an average temperature of 12°C (53°F), this humidity feels like a chilly dampness enveloping you, making outdoor activities uncomfortable and requiring layers to stay warm while you explore.

December Average Humidity in Sao Bras de Alportel

This chart illustrates the average monthly humidity levels in Sao Bras de Alportel, 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 Sao Bras de Alportel is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%74%71%69%69%67%69%68%71%75%78%81%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sao Bras de Alportel

In Sao Bras de Alportel 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 Sao Bras de Alportel, you can check the information here.

Maximum UV Index Levels in Sao Bras de Alportel for December

The chart shows the monthly maximum UV Index (UVI) for Sao Bras de Alportel 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 Sao Bras de Alportel typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101110109743
Data source: Sao Bras de Alportel 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 Sao Bras de Alportel Compares to Other Months

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

This table compares monthly weather conditions in Sao Bras de Alportel, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (49°F)23 mm (0.9 inches)80%moderate
February Weather12°C (54°F)48 mm (1.9 inches)73%moderate
March Weather13°C (56°F)79 mm (3.1 inches)71%high
April Weather15°C (59°F)71 mm (2.8 inches)69%very high
May Weather19°C (67°F)25 mm (1.0 inches)69%very high
June Weather21°C (71°F)8 mm (0.3 inches)67%extreme
July Weather24°C (76°F)3 mm (0.1 inches)69%very high
August Weather25°C (78°F)1 mm (0.0 inches)68%very high
September Weather23°C (74°F)15 mm (0.6 inches)71%very high
October Weather19°C (66°F)32 mm (1.3 inches)75%high
November Weather14°C (57°F)56 mm (2.2 inches)78%moderate
December Weather12°C (53°F)45 mm (1.8 inches)81%moderate

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