December Weather in Cela, Portugal

Last updated: August 27, 2025

In December, the average temperature in Cela, Portugal hovers around 12°C (54°F), with a minimum dipping to 2°C (36°F) and a maximum reaching 19°C (66°F). Expect 74 mm (2.9 in) of precipitation over 10 days, contributing to a notably 85% average humidity. Ideal for those who enjoy a refreshing, crisp atmosphere!

December Temperature in Cela

In December, in Cela, the average temperature is 12°C (54°F). Maximum temperatures can reach 19°C (66°F), while minimums can drop as low as 2°C (36°F). It's advisable to pack layers to stay comfortable during your travels.

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

The chart illustrates December temperature patterns in Cela, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cela, December typically has an average temperature of 12°C (54°F), with highs reaching up to 19°C (66°F) and lows dropping to around 2°C (36°F).

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

December Precipitation in Cela

In Cela in December, the precipitation amount is 74 mm (2.9 in) spread over a period of 10 days.

December Precipitation Trends in Cela

The chart displays monthly precipitation patterns in Cela, 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 Cela, December typically receives around 74 mm (2.9 inches) of precipitation spread over approximately 10 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 Cela

In Cela in December, humidity is 85%. With an average temperature of 12°C (54°F), this humidity feels like a heavy blanket wrapping around you, making traveling not only uncomfortable but also exhausting as the damp air clings to your skin and slows your movements.

December Average Humidity in Cela

This chart illustrates the average monthly humidity levels in Cela, 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 Cela is approximately 85%, 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 Cela

In Cela 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 Cela, you can check the information here.

Maximum UV Index Levels in Cela for December

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

Data source: Cela 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 Cela Compares to Other Months

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

This table compares monthly weather conditions in Cela, 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 (51°F)	50 mm (2.0 inches)	85%	moderate
February Weather	12°C (54°F)	58 mm (2.3 inches)	75%	moderate
March Weather	13°C (56°F)	87 mm (3.4 inches)	72%	high
April Weather	14°C (58°F)	95 mm (3.7 inches)	70%	very high
May Weather	17°C (63°F)	47 mm (1.8 inches)	70%	very high
June Weather	18°C (65°F)	25 mm (1.0 inches)	63%	extreme
July Weather	20°C (68°F)	10 mm (0.4 inches)	60%	very high
August Weather	20°C (69°F)	7 mm (0.3 inches)	60%	very high
September Weather	20°C (68°F)	30 mm (1.2 inches)	67%	very high
October Weather	18°C (64°F)	72 mm (2.8 inches)	74%	high
November Weather	14°C (57°F)	97 mm (3.8 inches)	83%	moderate
December Weather	12°C (54°F)	74 mm (2.9 inches)	85%	moderate