December Weather in Aver-o-Mar, Portugal

Last updated: August 27, 2025

The average temperature in Aver-o-Mar, Portugal during December hovers around 12°C (53°F). Expect a minimum of 3°C (38°F) and a maximum of 18°C (66°F). Be prepared for 190 mm (7.5 in) of precipitation spread over 16 days, with an average humidity of a cozy 87%.

December Temperature in Aver-o-Mar

In December in Aver-o-Mar, the average temperature is 12°C (53°F). Maximums can reach 18°C (66°F) and minimums can be as low as 3°C (38°F). This mild climate makes Aver-o-Mar an enjoyable destination for travelers seeking a comfortable getaway.

December Weather in Aver-o-Mar: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Aver-o-Mar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Aver-o-Mar, December typically has an average temperature of 12°C (53°F), with highs reaching up to 18°C (66°F) and lows dropping to around 3°C (38°F).

Data source: Temperature data for Aver-o-Mar generated using information from the Copernicus Climate Change Service.

December Precipitation in Aver-o-Mar

In Aver-o-Mar in December, the precipitation amount is 190 mm (7.5 in) over a span of 16 days.

December Precipitation Trends in Aver-o-Mar

The chart displays monthly precipitation patterns in Aver-o-Mar, 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 Aver-o-Mar, December typically receives around 190 mm (7.5 inches) of precipitation spread over approximately 16 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 Aver-o-Mar

In Aver-o-Mar in December, humidity is 87%. With an average temperature of 12°C (53°F), this humidity feels like a damp blanket enveloping you, making travel uncomfortable and stifling, as the air thickens and clings to your skin, sapping your energy as you navigate the sights.

December Average Humidity in Aver-o-Mar

This chart illustrates the average monthly humidity levels in Aver-o-Mar, 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 Aver-o-Mar 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 Aver-o-Mar

In Aver-o-Mar 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 Aver-o-Mar, you can visit Hourly UV Index in Aver-o-Mar.

Maximum UV Index Levels in Aver-o-Mar for December

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

Data source: Aver-o-Mar 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 Aver-o-Mar Compares to Other Months

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

This table compares monthly weather conditions in Aver-o-Mar, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (50°F)	103 mm (4.0 inches)	87%	low
February Weather	11°C (53°F)	142 mm (5.6 inches)	81%	moderate
March Weather	12°C (54°F)	150 mm (5.9 inches)	78%	high
April Weather	14°C (57°F)	147 mm (5.8 inches)	79%	very high
May Weather	16°C (62°F)	85 mm (3.4 inches)	78%	very high
June Weather	18°C (64°F)	44 mm (1.7 inches)	71%	very high
July Weather	20°C (68°F)	19 mm (0.7 inches)	63%	very high
August Weather	20°C (68°F)	21 mm (0.8 inches)	64%	very high
September Weather	19°C (67°F)	39 mm (1.5 inches)	71%	high
October Weather	16°C (62°F)	131 mm (5.2 inches)	79%	high
November Weather	13°C (56°F)	175 mm (6.9 inches)	86%	moderate
December Weather	12°C (53°F)	190 mm (7.5 inches)	87%	low