December Weather in Oliveira do Mondego, Portugal

Last updated: August 27, 2025

In December, the average temperature in Oliveira do Mondego, Portugal is a cool 10°C (50°F), with temperatures ranging from a chilly -2°C (29°F) to a pleasant 19°C (66°F). Expect about 127 mm (5.0 in) of precipitation spread over 13 days, contributing to an average humidity of 87%. Perfect for those who enjoy a refreshing climate!

December Temperature in Oliveira do Mondego

In December in Oliveira do Mondego, the average temperature is 10°C (50°F), with maximums reaching 19°C (66°F) and minimums dropping as low as -2°C (29°F). It's a time when travelers can enjoy moderate weather, but it's wise to pack layers to accommodate the temperature fluctuations.

December Weather in Oliveira do Mondego: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Oliveira do Mondego, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oliveira do Mondego, December typically has an average temperature of 10°C (50°F), with highs reaching up to 19°C (66°F) and lows dropping to around -2°C (29°F).

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

December Precipitation in Oliveira do Mondego

In Oliveira do Mondego in December, the total precipitation amount is 127 mm (5.0 in) spread over 13 days.

December Precipitation Trends in Oliveira do Mondego

The chart displays monthly precipitation patterns in Oliveira do Mondego, 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 Oliveira do Mondego, December typically receives around 127 mm (5.0 inches) of precipitation spread over approximately 13 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 Oliveira do Mondego

In Oliveira do Mondego in December humidity is 87%. With an average temperature of 10°C (50°F), this humidity feels like a heavy cloak wrapping around you, making every step feel laborious and the air thick with moisture, challenging your comfort while traveling.

December Average Humidity in Oliveira do Mondego

This chart illustrates the average monthly humidity levels in Oliveira do Mondego, 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 Oliveira do Mondego 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 Oliveira do Mondego

In Oliveira do Mondego 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 Oliveira do Mondego, you can visit Hourly UV Index in Oliveira do Mondego.

Maximum UV Index Levels in Oliveira do Mondego for December

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

Data source: Oliveira do Mondego 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 Oliveira do Mondego Compares to Other Months

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

This table compares monthly weather conditions in Oliveira do Mondego, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (47°F)	68 mm (2.7 inches)	87%	moderate
February Weather	10°C (51°F)	100 mm (3.9 inches)	81%	moderate
March Weather	12°C (53°F)	138 mm (5.4 inches)	78%	high
April Weather	14°C (57°F)	138 mm (5.4 inches)	79%	very high
May Weather	17°C (63°F)	63 mm (2.5 inches)	78%	very high
June Weather	18°C (66°F)	35 mm (1.4 inches)	71%	extreme
July Weather	21°C (70°F)	10 mm (0.4 inches)	63%	very high
August Weather	21°C (71°F)	10 mm (0.4 inches)	64%	very high
September Weather	20°C (68°F)	40 mm (1.6 inches)	71%	very high
October Weather	16°C (62°F)	97 mm (3.8 inches)	79%	high
November Weather	12°C (53°F)	141 mm (5.6 inches)	86%	moderate
December Weather	10°C (50°F)	127 mm (5.0 inches)	87%	low