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December Weather in Montalegre, Portugal

Last updated: August 27, 2025

In December, the average temperature in Montalegre, Portugal hovers around 7°C (44°F). Residents can expect a chilly minimum of -3°C (27°F) and a pleasant maximum of 15°C (59°F). Don't forget your umbrella! With approximately 170 mm (6.7 in) of precipitation spread over 15 days, the air remains quite humid, averaging around 87%.

December Temperature in Montalegre

In December in Montalegre, the average temperature is 7°C (44°F), with maximums reaching 15°C (59°F) and minimums dropping as low as -3°C (27°F). Travelers should be prepared for a mix of chilly and mild weather during this time.

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

The chart illustrates December temperature patterns in Montalegre, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Montalegre, December typically has an average temperature of 7°C (44°F), with highs reaching up to 15°C (59°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec414547515761666662564744
Data source: Temperature data for Montalegre 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 Montalegre

In Montalegre in December, the total precipitation amount is 170 mm (6.7 in) over the course of 15 days.

December Precipitation Trends in Montalegre

The chart displays monthly precipitation patterns in Montalegre, 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 Montalegre, December typically receives around 170 mm (6.7 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec761271351197554272342104130170
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Montalegre

In Montalegre in December, humidity is 87%. With an average temperature of 7°C (44°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and requiring travelers to layer up to stay warm and dry.

December Average Humidity in Montalegre

This chart illustrates the average monthly humidity levels in Montalegre, 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 Montalegre is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%81%78%79%78%71%63%64%71%79%86%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Montalegre

In Montalegre in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Montalegre, you can visit Hourly UV Index in Montalegre.

Maximum UV Index Levels in Montalegre for December

The chart shows the monthly maximum UV Index (UVI) for Montalegre 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 Montalegre typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec246910111098642
Data source: Montalegre 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 Montalegre Compares to Other Months

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

This table compares monthly weather conditions in Montalegre, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)75 mm (3.0 inches)87%low
February Weather7°C (45°F)127 mm (5.0 inches)81%moderate
March Weather8°C (47°F)135 mm (5.3 inches)78%high
April Weather10°C (51°F)119 mm (4.7 inches)79%very high
May Weather14°C (58°F)75 mm (3.0 inches)78%very high
June Weather16°C (62°F)54 mm (2.1 inches)71%extreme
July Weather19°C (67°F)27 mm (1.0 inches)63%very high
August Weather19°C (67°F)23 mm (0.9 inches)64%very high
September Weather17°C (63°F)42 mm (1.7 inches)71%very high
October Weather13°C (56°F)104 mm (4.1 inches)79%high
November Weather8°C (47°F)130 mm (5.1 inches)86%moderate
December Weather7°C (44°F)170 mm (6.7 inches)87%low

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