December Weather in Milheiros, Portugal

Last updated: August 27, 2025

In December, the average temperature in Milheiros, Portugal is a cool 11°C (52°F). Expect temperatures to dip as low as 1°C (35°F) at night and rise to a pleasant 18°C (65°F) during the day. However, be prepared for significant rainfall, with an average of 187 mm (7.4 in) over 15 days. The humidity is quite high at 87%, adding to the overall chill of the season.

December Temperature in Milheiros

In December in Milheiros, the average temperature is 11°C (52°F). Maximums can reach 18°C (65°F), while minimums can drop as low as 1°C (35°F). It's a great time to visit if you enjoy cool weather and want to explore the area comfortably.

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

The chart illustrates December temperature patterns in Milheiros, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Milheiros, December typically has an average temperature of 11°C (52°F), with highs reaching up to 18°C (65°F) and lows dropping to around 1°C (35°F).

Data source: Temperature data for Milheiros generated using information from the Copernicus Climate Change Service.

December Precipitation in Milheiros

In Milheiros in December, the precipitation amount is 187 mm (7.4 in) over a span of 15 days.

December Precipitation Trends in Milheiros

The chart displays monthly precipitation patterns in Milheiros, 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 Milheiros, December typically receives around 187 mm (7.4 inches) of precipitation spread over approximately 15 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

December Humidity in Milheiros

In Milheiros in December, humidity is 87%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that can make your clothes cling uncomfortably, leaving you feeling slightly weighed down while exploring the area.

December Average Humidity in Milheiros

This chart illustrates the average monthly humidity levels in Milheiros, 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 Milheiros is approximately 87%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Milheiros

In Milheiros 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 Milheiros, you can visit Hourly UV Index in Milheiros.

Maximum UV Index Levels in Milheiros for December

The chart shows the monthly maximum UV Index (UVI) for Milheiros 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 Milheiros typically reaches 2, which falls under the low exposure category.

Data source: Milheiros 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 Milheiros Compares to Other Months

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

This table compares monthly weather conditions in Milheiros, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (49°F)	91 mm (3.6 inches)	87%	low
February Weather	11°C (52°F)	138 mm (5.4 inches)	81%	moderate
March Weather	12°C (54°F)	141 mm (5.6 inches)	78%	high
April Weather	14°C (58°F)	146 mm (5.7 inches)	79%	very high
May Weather	17°C (63°F)	81 mm (3.2 inches)	78%	very high
June Weather	18°C (66°F)	50 mm (2.0 inches)	71%	extreme
July Weather	21°C (70°F)	23 mm (0.9 inches)	63%	very high
August Weather	21°C (70°F)	19 mm (0.7 inches)	64%	very high
September Weather	20°C (68°F)	39 mm (1.5 inches)	71%	very high
October Weather	17°C (62°F)	121 mm (4.8 inches)	79%	high
November Weather	13°C (55°F)	156 mm (6.1 inches)	86%	moderate
December Weather	11°C (52°F)	187 mm (7.4 inches)	87%	low