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December Weather in Olvan, Spain

Last updated: August 27, 2025

In Olvan, Spain, the average temperature in December hovers around 5°C (42°F). Expect a chillier minimum of -4°C (26°F) and a pleasantly mild maximum of 17°C (63°F). With 31 mm (1.2 in) of precipitation spread over 5 days, don't forget your umbrella! The air can feel a bit damp, with an average humidity of 79%.

December Temperature in Olvan

In December in Olvan, the average temperature is 5°C (42°F), with maximums reaching 17°C (63°F) and minimums dropping as low as -4°C (26°F). This weather makes it essential to pack layers for your travels, allowing you to stay comfortable while exploring the area.

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

The chart illustrates December temperature patterns in Olvan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Olvan, December typically has an average temperature of 5°C (42°F), with highs reaching up to 17°C (63°F) and lows dropping to around -4°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec404447515966727164564642
Data source: Temperature data for Olvan 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 Olvan

In Olvan in December, the precipitation amount is 31 mm (1.2 in) spread over 5 days.

December Precipitation Trends in Olvan

The chart displays monthly precipitation patterns in Olvan, 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 Olvan, December typically receives around 31 mm (1.2 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec5369771131221006383961308031
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Olvan

In Olvan in December, humidity is 79%. With an average temperature of 5°C (42°F), this humidity feels like a chilly mist enveloping you, making outdoor activities challenging and travel less appealing, as the dampness clings to your skin and the cold bites through your layers.

December Average Humidity in Olvan

This chart illustrates the average monthly humidity levels in Olvan, 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 Olvan is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%74%71%69%66%65%64%64%68%77%79%79%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Olvan

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

Maximum UV Index Levels in Olvan for December

The chart shows the monthly maximum UV Index (UVI) for Olvan 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 Olvan typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098632
Data source: Olvan 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 Olvan Compares to Other Months

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

This table compares monthly weather conditions in Olvan, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)53 mm (2.1 inches)79%moderate
February Weather7°C (45°F)68 mm (2.7 inches)74%moderate
March Weather8°C (47°F)77 mm (3.0 inches)71%high
April Weather11°C (52°F)113 mm (4.5 inches)69%very high
May Weather15°C (59°F)122 mm (4.8 inches)66%very high
June Weather19°C (66°F)100 mm (3.9 inches)65%very high
July Weather22°C (72°F)63 mm (2.5 inches)64%very high
August Weather22°C (72°F)82 mm (3.2 inches)64%very high
September Weather18°C (64°F)96 mm (3.8 inches)68%very high
October Weather14°C (57°F)130 mm (5.1 inches)77%high
November Weather8°C (47°F)80 mm (3.1 inches)79%moderate
December Weather5°C (42°F)31 mm (1.2 inches)79%low

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