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December Weather in Riumors, Spain

Last updated: August 27, 2025

In December, the average temperature in Riumors, Spain is a crisp 9°C (49°F), with daily highs reaching up to 19°C (66°F) and lows dipping to 0°C (32°F). Expect 43 mm (1.7 in) of precipitation spread over about 6 days, accompanied by a notable average humidity of 83%. Whether you're bundling up or navigating the occasional shower, this month presents a unique blend of chilly and wet weather!

December Temperature in Riumors

In December in Riumors, the average temperature is 9°C (49°F). Maximums can reach 19°C (66°F), while minimums can drop as low as 0°C (32°F). This makes it a great time for travelers to experience the crisp air and explore outdoor activities.

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

The chart illustrates December temperature patterns in Riumors, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Riumors, December typically has an average temperature of 9°C (49°F), with highs reaching up to 19°C (66°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec465053576472777770635449
Data source: Temperature data for Riumors 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 Riumors

In Riumors in December, the precipitation amount is 43 mm (1.7 in) over a period of 6 days.

December Precipitation Trends in Riumors

The chart displays monthly precipitation patterns in Riumors, 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 Riumors, December typically receives around 43 mm (1.7 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec6849557956341628671167643
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Riumors

In Riumors in December, humidity is 83%. With an average temperature of 9°C (49°F), this humidity feels like a damp blanket wrapping around you, making outdoor activities uncomfortable for traveling and requiring extra layers to stay warm and dry.

December Average Humidity in Riumors

This chart illustrates the average monthly humidity levels in Riumors, 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 Riumors is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%77%73%73%71%67%66%63%70%80%84%83%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Riumors

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

Maximum UV Index Levels in Riumors for December

The chart shows the monthly maximum UV Index (UVI) for Riumors 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 Riumors typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34579101097632
Data source: Riumors 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 Riumors Compares to Other Months

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

This table compares monthly weather conditions in Riumors, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)68 mm (2.7 inches)82%moderate
February Weather10°C (50°F)49 mm (1.9 inches)77%moderate
March Weather12°C (53°F)55 mm (2.1 inches)73%moderate
April Weather14°C (57°F)79 mm (3.1 inches)73%high
May Weather18°C (64°F)56 mm (2.2 inches)71%very high
June Weather22°C (72°F)34 mm (1.4 inches)67%very high
July Weather25°C (78°F)16 mm (0.6 inches)66%very high
August Weather25°C (78°F)28 mm (1.1 inches)63%very high
September Weather21°C (70°F)67 mm (2.6 inches)70%high
October Weather17°C (63°F)116 mm (4.6 inches)80%high
November Weather12°C (54°F)76 mm (3.0 inches)84%moderate
December Weather9°C (49°F)43 mm (1.7 inches)83%low

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