December Weather in Alegrete, Portugal

Last updated: August 27, 2025

In December, the average temperature in Alegrete, Portugal hovers around 10°C (50°F), with daytime highs reaching up to 19°C (66°F) and nighttime lows dipping as low as -2°C (29°F). Expect approximately 69 mm (2.7 in) of precipitation over 8 days, contributing to an average humidity of 87%—perfect for cozy indoor activities or exploring the local sights!

December Temperature in Alegrete

In December in Alegrete, the average temperature is 10°C (50°F), with maximums reaching 19°C (66°F) and minimums dropping as low as -2°C (29°F). It's a time when travelers can enjoy moderate weather, but it's wise to pack layers to accommodate the temperature fluctuations.

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

The chart illustrates December temperature patterns in Alegrete, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alegrete, December typically has an average temperature of 10°C (50°F), with highs reaching up to 19°C (66°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec465154576671777873645450
Data source: Temperature data for Alegrete 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 Alegrete

In Alegrete in December, the precipitation amount is 69 mm (2.7 in) that falls over a period of 8 days.

December Precipitation Trends in Alegrete

The chart displays monthly precipitation patterns in Alegrete, 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 Alegrete, December typically receives around 69 mm (2.7 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec3247878141134731527269
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Alegrete

In Alegrete in December humidity is 87%. With an average temperature of 10°C (50°F), this humidity feels like a heavy cloak wrapping around you, making every step feel laborious and the air thick with moisture, challenging your comfort while traveling.

December Average Humidity in Alegrete

This chart illustrates the average monthly humidity levels in Alegrete, 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 Alegrete is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%76%68%64%62%47%46%42%54%69%85%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Alegrete

In Alegrete 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 Alegrete, you can check the information here.

Maximum UV Index Levels in Alegrete for December

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

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

This table compares monthly weather conditions in Alegrete, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)32 mm (1.3 inches)87%moderate
February Weather11°C (51°F)47 mm (1.9 inches)76%moderate
March Weather12°C (54°F)87 mm (3.4 inches)68%high
April Weather14°C (58°F)81 mm (3.2 inches)64%very high
May Weather19°C (66°F)41 mm (1.6 inches)62%very high
June Weather22°C (71°F)13 mm (0.5 inches)47%extreme
July Weather25°C (77°F)4 mm (0.2 inches)46%very high
August Weather25°C (78°F)7 mm (0.3 inches)42%very high
September Weather23°C (73°F)31 mm (1.2 inches)53%very high
October Weather18°C (65°F)51 mm (2.0 inches)69%high
November Weather12°C (54°F)72 mm (2.9 inches)85%moderate
December Weather10°C (50°F)69 mm (2.7 inches)87%moderate

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