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December Weather in Aria, Spain

Last updated: August 27, 2025

In Aria, Spain, the average temperature in December hovers around 6°C (43°F). Expect a range with minimums dipping to -7°C (20°F) and maximums peaking at 17°C (63°F). This month also sees an average precipitation of 162 mm (6.4 in), spread over about 15 days, contributing to a notably high average humidity of 87%.

December Temperature in Aria

In December in Aria, the average temperature is 6°C (43°F). The maximum can reach 17°C (63°F), while the minimum can drop to as low as -7°C (20°F). Be prepared for a range of temperatures if you're traveling during this time!

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

The chart illustrates December temperature patterns in Aria, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Aria, December typically has an average temperature of 6°C (43°F), with highs reaching up to 17°C (63°F) and lows dropping to around -7°C (20°F).
JanFebMarAprMayJunJulAugSepOctNovDec394546505663666662544643
Data source: Temperature data for Aria generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Aria

In Aria in December, the total precipitation amount is 162 mm (6.4 in) spread over 15 days.

December Precipitation Trends in Aria

The chart displays monthly precipitation patterns in Aria, 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 Aria, December typically receives around 162 mm (6.4 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec1119611011812012487868598127162
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Aria

In Aria in December, humidity is 87%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities uncomfortable and necessitating warm, breathable layers for traveling.

December Average Humidity in Aria

This chart illustrates the average monthly humidity levels in Aria, 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 Aria is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%83%81%80%81%80%76%75%81%85%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Aria

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

Maximum UV Index Levels in Aria for December

The chart shows the monthly maximum UV Index (UVI) for Aria 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 Aria typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24579101097532
Data source: Aria 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 Aria Compares to Other Months

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

This table compares monthly weather conditions in Aria, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)111 mm (4.4 inches)86%low
February Weather7°C (45°F)96 mm (3.8 inches)85%moderate
March Weather8°C (47°F)110 mm (4.3 inches)82%moderate
April Weather10°C (51°F)118 mm (4.6 inches)81%high
May Weather14°C (57°F)120 mm (4.7 inches)80%very high
June Weather17°C (63°F)124 mm (4.9 inches)81%very high
July Weather19°C (66°F)87 mm (3.4 inches)80%very high
August Weather19°C (67°F)86 mm (3.4 inches)76%very high
September Weather16°C (62°F)85 mm (3.3 inches)75%high
October Weather12°C (55°F)98 mm (3.8 inches)81%moderate
November Weather8°C (46°F)127 mm (5.0 inches)85%moderate
December Weather6°C (43°F)162 mm (6.4 inches)87%low

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