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December Weather in Almargem, Portugal

Last updated: August 27, 2025

In December, the average temperature in Almargem, Portugal is a cool 13°C (56°F), with a minimum of 6°C (43°F) and a maximum reaching up to 18°C (65°F). Expect 62 mm (2.4 in) of precipitation over 8 days, contributing to an average humidity of 85%. Prepare for a refreshing month!

December Temperature in Almargem

In December in Almargem, the average temperature is 13°C (56°F), with maximums reaching up to 18°C (65°F) and minimums dipping as low as 6°C (43°F). This mild climate makes Almargem a great destination for travelers looking to explore comfortably.

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

The chart illustrates December temperature patterns in Almargem, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Almargem, December typically has an average temperature of 13°C (56°F), with highs reaching up to 18°C (65°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec535556586365686968655956
Data source: Temperature data for Almargem 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 Almargem

In Almargem in December, the precipitation amount is 62 mm (2.4 in) over the course of 8 days.

December Precipitation Trends in Almargem

The chart displays monthly precipitation patterns in Almargem, 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 Almargem, December typically receives around 62 mm (2.4 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec3753667336115327468062
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Almargem

In Almargem in December humidity is 85%. With an average temperature of 13°C (56°F), this humidity feels like a damp chill that wraps around you, making outdoor activities feel heavier and less enjoyable, as layers of clothing cling to the skin and breath becomes visible in the moist air.

December Average Humidity in Almargem

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

In Almargem 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 Almargem, you can check the information here.

Maximum UV Index Levels in Almargem for December

The chart shows the monthly maximum UV Index (UVI) for Almargem 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 Almargem typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910111098643
Data source: Almargem 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 Almargem Compares to Other Months

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

This table compares monthly weather conditions in Almargem, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (53°F)37 mm (1.5 inches)85%moderate
February Weather13°C (55°F)53 mm (2.1 inches)75%moderate
March Weather14°C (57°F)66 mm (2.6 inches)72%high
April Weather15°C (59°F)73 mm (2.9 inches)70%very high
May Weather17°C (63°F)36 mm (1.4 inches)70%very high
June Weather18°C (66°F)11 mm (0.4 inches)63%extreme
July Weather20°C (68°F)5 mm (0.2 inches)60%very high
August Weather20°C (69°F)3 mm (0.1 inches)60%very high
September Weather20°C (68°F)27 mm (1.1 inches)67%very high
October Weather18°C (65°F)46 mm (1.8 inches)74%high
November Weather15°C (59°F)80 mm (3.2 inches)83%moderate
December Weather13°C (56°F)62 mm (2.4 inches)85%moderate

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