December Weather in Mombeja, Portugal

Last updated: August 27, 2025

In Mombeja, Portugal, the average temperature in December hovers around 12°C (53°F). You can expect a minimum of 0°C (32°F) and a maximum of 21°C (70°F). During this month, the region sees about 44 mm (1.8 in) of precipitation spread over 7 days, and the air is usually quite humid, with an average humidity of 81%.

December Temperature in Mombeja

In December in Mombeja, the average temperature is 12°C (53°F). Maximums can reach 21°C (70°F), while minimums can drop as low as 0°C (32°F). It's a great time to explore Mombeja, so pack for both mild days and cooler evenings!

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

The chart illustrates December temperature patterns in Mombeja, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mombeja, December typically has an average temperature of 12°C (53°F), with highs reaching up to 21°C (70°F) and lows dropping to around 0°C (32°F).

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

December Precipitation in Mombeja

In Mombeja in December, the precipitation amount is 44 mm (1.8 in) over the course of 7 days.

December Precipitation Trends in Mombeja

The chart displays monthly precipitation patterns in Mombeja, 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 Mombeja, December typically receives around 44 mm (1.8 inches) of precipitation spread over approximately 7 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 Mombeja

In Mombeja in December, humidity is 81%. With an average temperature of 12°C (53°F), this humidity feels like a chilly dampness enveloping you, making outdoor activities uncomfortable and requiring layers to stay warm while you explore.

December Average Humidity in Mombeja

This chart illustrates the average monthly humidity levels in Mombeja, 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 Mombeja is approximately 81%, 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 Mombeja

In Mombeja 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 Mombeja, you can check the information here.

Maximum UV Index Levels in Mombeja for December

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

Data source: Mombeja 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 Mombeja Compares to Other Months

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

This table compares monthly weather conditions in Mombeja, 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)	25 mm (1.0 inches)	80%	moderate
February Weather	12°C (54°F)	42 mm (1.7 inches)	73%	moderate
March Weather	13°C (56°F)	75 mm (3.0 inches)	71%	high
April Weather	15°C (60°F)	56 mm (2.2 inches)	69%	very high
May Weather	20°C (68°F)	27 mm (1.1 inches)	69%	very high
June Weather	22°C (71°F)	9 mm (0.4 inches)	67%	extreme
July Weather	24°C (75°F)	2 mm (0.1 inches)	69%	extreme
August Weather	25°C (77°F)	1 mm (0.0 inches)	68%	very high
September Weather	23°C (74°F)	14 mm (0.6 inches)	71%	very high
October Weather	19°C (67°F)	43 mm (1.7 inches)	75%	high
November Weather	14°C (57°F)	49 mm (1.9 inches)	78%	moderate
December Weather	12°C (53°F)	44 mm (1.8 inches)	81%	moderate