December Weather in Riola, Spain

Last updated: August 27, 2025

In December, the average temperature in Riola, Spain hovers around 13°C (56°F). While you might experience a brisk low of 3°C (38°F), there’s the possibility of a warm peak at 24°C (75°F). Expect 25 mm (1.0 in) of rain over about 2 days, and don't forget the high average humidity at 80%—perfect for that lush, green scenery!

December Temperature in Riola

In December in Riola, the average temperature is 13°C (56°F). Maximums can reach 24°C (75°F), while minimums can drop as low as 3°C (38°F). This mild climate makes it a great time for travelers to explore the area comfortably.

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

The chart illustrates December temperature patterns in Riola, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Riola, December typically has an average temperature of 13°C (56°F), with highs reaching up to 24°C (75°F) and lows dropping to around 3°C (38°F).

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

December Precipitation in Riola

In Riola in December, the precipitation amount is 25 mm (1.0 in) over the course of 2 days.

December Precipitation Trends in Riola

The chart displays monthly precipitation patterns in Riola, 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 Riola, December typically receives around 25 mm (1.0 inches) of precipitation spread over approximately 2 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 Riola

In Riola in December humidity is 80%. With average temperature 13°C (56°F) this humidity feels like a damp chill that seeps into your bones, making outdoor exploration more challenging and necessitating layered clothing for comfort.

December Average Humidity in Riola

This chart illustrates the average monthly humidity levels in Riola, 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 Riola is approximately 80%, 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 Riola

In Riola 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 Riola, you can check the information here.

Maximum UV Index Levels in Riola for December

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

Data source: Riola 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 Riola Compares to Other Months

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

This table compares monthly weather conditions in Riola, 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 (53°F)	60 mm (2.4 inches)	78%	moderate
February Weather	13°C (56°F)	21 mm (0.8 inches)	75%	moderate
March Weather	14°C (58°F)	47 mm (1.8 inches)	64%	high
April Weather	16°C (61°F)	56 mm (2.2 inches)	58%	very high
May Weather	20°C (69°F)	19 mm (0.7 inches)	53%	very high
June Weather	24°C (76°F)	20 mm (0.8 inches)	49%	extreme
July Weather	27°C (81°F)	11 mm (0.4 inches)	51%	very high
August Weather	27°C (81°F)	36 mm (1.4 inches)	51%	very high
September Weather	24°C (76°F)	92 mm (3.6 inches)	58%	very high
October Weather	20°C (69°F)	62 mm (2.4 inches)	71%	high
November Weather	16°C (60°F)	67 mm (2.6 inches)	76%	moderate
December Weather	13°C (56°F)	25 mm (1.0 inches)	80%	moderate