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December Weather in Manteigas, Portugal

Last updated: August 27, 2025

In December, the average temperature in Manteigas, Portugal hovers around 7°C (45°F). Expect a chilly minimum of -2°C (28°F), while the mercury can rise to a comfortable 16°C (60°F). Rain is likely, with 106 mm (4.2 in) of precipitation spread across 11 days. Overall, you'll experience a high average humidity of 87%, contributing to that brisk atmosphere.

December Temperature in Manteigas

In December in Manteigas, the average temperature is 7°C (45°F). The maximum can reach 16°C (60°F) and the minimum can be as low as -2°C (28°F). Travelers should be prepared for a mix of mild and chilly weather, making it essential to pack layered clothing.

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

The chart illustrates December temperature patterns in Manteigas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Manteigas, December typically has an average temperature of 7°C (45°F), with highs reaching up to 16°C (60°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec424649536065717166594845
Data source: Temperature data for Manteigas 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 Manteigas

In Manteigas in December, the precipitation amount is 106 mm (4.2 in) spread over a duration of 11 days.

December Precipitation Trends in Manteigas

The chart displays monthly precipitation patterns in Manteigas, 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 Manteigas, December typically receives around 106 mm (4.2 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec5084106105473713144377110106
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Manteigas

In Manteigas in December, humidity is 87%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that seeps into your bones, making outdoor adventures somewhat uncomfortable and urging travelers to seek refuge in cozy cafes or warm indoor activities.

December Average Humidity in Manteigas

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

In Manteigas 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 Manteigas, you can check the information here.

Maximum UV Index Levels in Manteigas for December

The chart shows the monthly maximum UV Index (UVI) for Manteigas 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 Manteigas typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346910111098643
Data source: Manteigas 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 Manteigas Compares to Other Months

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

This table compares monthly weather conditions in Manteigas, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)50 mm (2.0 inches)87%moderate
February Weather8°C (47°F)84 mm (3.3 inches)81%moderate
March Weather9°C (49°F)106 mm (4.2 inches)78%high
April Weather12°C (53°F)105 mm (4.1 inches)79%very high
May Weather16°C (60°F)47 mm (1.8 inches)78%very high
June Weather18°C (65°F)37 mm (1.4 inches)71%extreme
July Weather21°C (71°F)13 mm (0.5 inches)63%very high
August Weather22°C (71°F)14 mm (0.6 inches)64%very high
September Weather19°C (66°F)43 mm (1.7 inches)71%very high
October Weather15°C (59°F)77 mm (3.0 inches)79%high
November Weather9°C (49°F)110 mm (4.3 inches)86%moderate
December Weather7°C (45°F)106 mm (4.2 inches)87%moderate

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