December Weather in Maia, Portugal

Last updated: August 27, 2025

In December, the average temperature in Maia, Portugal hovers around 16°C (61°F). Expect a minimum of 10°C (51°F) and a maximum reaching up to 20°C (68°F). With an average precipitation of 129 mm (5.1 in) spread over 14 days, the atmosphere tends to be quite humid, with an average humidity level of 84%.

December Temperature in Maia

In December in Maia, the average temperature is 16°C (61°F). The maximum can reach 20°C (68°F), while the minimum can dip as low as 10°C (51°F). This mild weather makes it an ideal time for exploring the sights and enjoying outdoor activities.

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

The chart illustrates December temperature patterns in Maia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Maia, December typically has an average temperature of 16°C (61°F), with highs reaching up to 20°C (68°F) and lows dropping to around 10°C (51°F).

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

December Precipitation in Maia

In Maia in December, the precipitation amount is 129 mm (5.1 in) over the course of 14 days.

December Precipitation Trends in Maia

The chart displays monthly precipitation patterns in Maia, 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 Maia, December typically receives around 129 mm (5.1 inches) of precipitation spread over approximately 14 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 Maia

In Maia in December, humidity is 84%. With an average temperature of 16°C (61°F), this humidity feels like a blanket of warmth, making travel slightly sticky but overall comfortable, as long as you stay hydrated and take breaks in the shade.

December Average Humidity in Maia

This chart illustrates the average monthly humidity levels in Maia, 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 Maia is approximately 84%, 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 Maia

In Maia 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 Maia, you can check the information here.

Maximum UV Index Levels in Maia for December

The chart shows the monthly maximum UV Index (UVI) for Maia 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 Maia typically reaches 3, which falls under the moderate exposure category.

Data source: Maia 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 Maia Compares to Other Months

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

This table compares monthly weather conditions in Maia, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	15°C (59°F)	73 mm (2.9 inches)	82%	moderate
February Weather	14°C (58°F)	98 mm (3.9 inches)	80%	moderate
March Weather	14°C (58°F)	65 mm (2.5 inches)	82%	high
April Weather	15°C (59°F)	87 mm (3.4 inches)	83%	very high
May Weather	17°C (62°F)	68 mm (2.7 inches)	81%	very high
June Weather	19°C (66°F)	44 mm (1.7 inches)	82%	extreme
July Weather	21°C (70°F)	23 mm (0.9 inches)	83%	very high
August Weather	22°C (72°F)	49 mm (1.9 inches)	81%	very high
September Weather	22°C (71°F)	67 mm (2.6 inches)	81%	very high
October Weather	20°C (68°F)	109 mm (4.3 inches)	79%	high
November Weather	17°C (64°F)	96 mm (3.8 inches)	79%	moderate
December Weather	16°C (61°F)	129 mm (5.1 inches)	84%	moderate