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December Weather in Montargil, Portugal

Last updated: August 27, 2025

In Montargil, Portugal, the average temperature in December hovers around 11°C (53°F), with a minimum dipping down to -1°C (30°F) and a comfortable maximum reaching 20°C (69°F). Expect precipitation of about 57 mm (2.2 in) spread over 8 days, while the air maintains a high average humidity of 85%.

December Temperature in Montargil

In December in Montargil, the average temperature is 11°C (53°F). The maximum can reach 20°C (69°F), and the minimum can be as low as -1°C (30°F). Be prepared for a range of weather conditions when traveling, as you may experience both mild days and chilly nights.

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

The chart illustrates December temperature patterns in Montargil, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Montargil, December typically has an average temperature of 11°C (53°F), with highs reaching up to 20°C (69°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec495456596770747572665652
Data source: Temperature data for Montargil 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 Montargil

In Montargil in December, the precipitation amount is 57 mm (2.2 in) over the course of 8 days.

December Precipitation Trends in Montargil

The chart displays monthly precipitation patterns in Montargil, 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 Montargil, December typically receives around 57 mm (2.2 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec3550808139155728437357
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Montargil

In Montargil in December humidity is 85%. With an average temperature of 11°C (53°F), this humidity feels like a thick blanket wrapping around you, making every step feel heavier and creating a dampness in the air that can be exhausting for travelers.

December Average Humidity in Montargil

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

In Montargil 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 Montargil, you can check the information here.

Maximum UV Index Levels in Montargil for December

The chart shows the monthly maximum UV Index (UVI) for Montargil 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 Montargil typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35689111098643
Data source: Montargil 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 Montargil Compares to Other Months

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

This table compares monthly weather conditions in Montargil, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (49°F)35 mm (1.4 inches)85%moderate
February Weather12°C (54°F)50 mm (2.0 inches)75%moderate
March Weather13°C (56°F)80 mm (3.1 inches)72%high
April Weather15°C (60°F)81 mm (3.2 inches)70%very high
May Weather19°C (67°F)39 mm (1.5 inches)70%very high
June Weather21°C (70°F)15 mm (0.6 inches)63%extreme
July Weather23°C (74°F)5 mm (0.2 inches)60%very high
August Weather24°C (75°F)6 mm (0.3 inches)60%very high
September Weather22°C (72°F)28 mm (1.1 inches)67%very high
October Weather19°C (66°F)43 mm (1.7 inches)74%high
November Weather13°C (56°F)73 mm (2.9 inches)83%moderate
December Weather11°C (53°F)57 mm (2.2 inches)85%moderate

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