December Weather in Arvore, Portugal

Last updated: August 27, 2025

In Arvore, Portugal, the average temperature in December hovers around 12°C (54°F), with a minimum dipping to 5°C (42°F) and a maximum reaching 18°C (64°F). Expect significant precipitation, averaging 161 mm (6.3 in) over 15 days, coupled with a high humidity level of 87%. Stay prepared for a mix of cool and damp weather during your visit!

December Temperature in Arvore

In December in Arvore, the average temperature is 12°C (54°F). Maximum temperatures can reach 18°C (64°F), while the minimum can drop to as low as 5°C (42°F). It's a great time to experience mild weather, making it ideal for outdoor activities and sightseeing.

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

The chart illustrates December temperature patterns in Arvore, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arvore, December typically has an average temperature of 12°C (54°F), with highs reaching up to 18°C (64°F) and lows dropping to around 5°C (42°F).

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

December Precipitation in Arvore

In Arvore in December, the precipitation amount is 161 mm (6.3 in) spread over 15 days.

December Precipitation Trends in Arvore

The chart displays monthly precipitation patterns in Arvore, 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 Arvore, December typically receives around 161 mm (6.3 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 Arvore

In Arvore in December humidity is 87%. With an average temperature of 12°C (54°F), this humidity feels like a damp embrace, making it quite uncomfortable for traveling, as the air feels heavy and can quickly sap your energy as you explore the sights.

December Average Humidity in Arvore

This chart illustrates the average monthly humidity levels in Arvore, 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 Arvore 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 Arvore

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

Maximum UV Index Levels in Arvore for December

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

Data source: Arvore 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 Arvore Compares to Other Months

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

This table compares monthly weather conditions in Arvore, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	11°C (52°F)	81 mm (3.2 inches)	87%	low
February Weather	12°C (54°F)	114 mm (4.5 inches)	81%	moderate
March Weather	13°C (55°F)	121 mm (4.7 inches)	78%	high
April Weather	14°C (58°F)	130 mm (5.1 inches)	79%	very high
May Weather	17°C (63°F)	71 mm (2.8 inches)	78%	very high
June Weather	18°C (65°F)	40 mm (1.6 inches)	71%	very high
July Weather	20°C (68°F)	18 mm (0.7 inches)	63%	very high
August Weather	20°C (68°F)	17 mm (0.7 inches)	64%	very high
September Weather	19°C (67°F)	33 mm (1.3 inches)	71%	very high
October Weather	17°C (63°F)	111 mm (4.4 inches)	79%	high
November Weather	14°C (57°F)	144 mm (5.7 inches)	86%	moderate
December Weather	12°C (54°F)	161 mm (6.3 inches)	87%	low