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December Weather in Oion / Oyon, Spain

Last updated: August 27, 2025

In December, the average temperature in Oion / Oyon, Spain hovers around 7°C (45°F). Expect chilly nights with a minimum dipping to -5°C (24°F), while the daytime can warm up to a pleasant 17°C (62°F). Rainfall is a common companion, with 67 mm (2.6 in) of precipitation over approximately 11 days. This time of year also brings a notable average humidity of 85%, making it essential to layer up and stay prepared!

December Temperature in Oion / Oyon

In December in Oion / Oyon, the average temperature is 7°C (45°F). Maximum temperatures can reach 17°C (62°F), while the minimum can drop as low as -5°C (24°F). It's advisable to pack layers to stay comfortable during your travels.

December Weather in Oion / Oyon: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Oion / Oyon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oion / Oyon, December typically has an average temperature of 7°C (45°F), with highs reaching up to 17°C (62°F) and lows dropping to around -5°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec414548525965707065574844
Data source: Temperature data for Oion / Oyon 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 Oion / Oyon

In Oion / Oyon in December, the total precipitation amount is 67 mm (2.6 in) over the course of 11 days.

December Precipitation Trends in Oion / Oyon

The chart displays monthly precipitation patterns in Oion / Oyon, 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 Oion / Oyon, December typically receives around 67 mm (2.6 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec655262795666332633578667
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Oion / Oyon

In Oion / Oyon in December, humidity is 85%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities less enjoyable and requiring extra layers to stay comfortable while traveling.

December Average Humidity in Oion / Oyon

This chart illustrates the average monthly humidity levels in Oion / Oyon, 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 Oion / Oyon is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%83%82%81%81%83%87%82%77%80%83%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Oion / Oyon

In Oion / Oyon 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 Oion / Oyon, you can visit Hourly UV Index in Oion / Oyon.

Maximum UV Index Levels in Oion / Oyon for December

The chart shows the monthly maximum UV Index (UVI) for Oion / Oyon 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 Oion / Oyon typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689111098632
Data source: Oion / Oyon 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 Oion / Oyon Compares to Other Months

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

This table compares monthly weather conditions in Oion / Oyon, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)65 mm (2.5 inches)85%moderate
February Weather7°C (46°F)52 mm (2.0 inches)83%moderate
March Weather9°C (48°F)62 mm (2.4 inches)82%high
April Weather11°C (52°F)79 mm (3.1 inches)81%very high
May Weather15°C (59°F)56 mm (2.2 inches)81%very high
June Weather19°C (66°F)66 mm (2.6 inches)83%extreme
July Weather21°C (70°F)33 mm (1.3 inches)87%very high
August Weather21°C (70°F)26 mm (1.0 inches)82%very high
September Weather18°C (65°F)33 mm (1.3 inches)77%very high
October Weather14°C (57°F)57 mm (2.2 inches)80%high
November Weather9°C (48°F)86 mm (3.4 inches)83%moderate
December Weather7°C (45°F)67 mm (2.6 inches)85%low

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