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December Weather in Santiso, Spain

Last updated: August 27, 2025

The average temperature in Santiso, Spain during December is a cool 8°C (47°F). Expect minimums as low as -2°C (28°F) and maximums reaching up to 16°C (60°F). With about 180 mm (7.1 in) of precipitation spread over 17 days, you can anticipate a wet month. Additionally, the average humidity hovers at a cozy 85%, making it a month where layers and umbrellas are essential!

December Temperature in Santiso

In December in Santiso, the average temperature is 8°C (47°F). The maximum can reach 16°C (60°F) and the minimum can be as low as -2°C (28°F). It's advisable to pack layers to stay comfortable while exploring the diverse weather conditions.

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

The chart illustrates December temperature patterns in Santiso, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santiso, December typically has an average temperature of 8°C (47°F), with highs reaching up to 16°C (60°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec434748515760646562564946
Data source: Temperature data for Santiso 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 Santiso

In Santiso in December, the total precipitation amount is 180 mm (7.1 in) spread over 17 days.

December Precipitation Trends in Santiso

The chart displays monthly precipitation patterns in Santiso, 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 Santiso, December typically receives around 180 mm (7.1 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec901331391199378353860117149180
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Santiso

In Santiso in December humidity is 85%. With an average temperature of 8°C (47°F), this humidity feels like a chilly dampness that clings to your skin, making outdoor activities feel less refreshing and more uncomfortable for traveling.

December Average Humidity in Santiso

This chart illustrates the average monthly humidity levels in Santiso, 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 Santiso is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%83%82%83%83%83%82%78%79%82%84%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Santiso

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

Maximum UV Index Levels in Santiso for December

The chart shows the monthly maximum UV Index (UVI) for Santiso 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 Santiso typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24689101097632
Data source: Santiso 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 Santiso Compares to Other Months

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

This table compares monthly weather conditions in Santiso, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (44°F)90 mm (3.5 inches)84%low
February Weather8°C (47°F)133 mm (5.2 inches)83%moderate
March Weather9°C (48°F)139 mm (5.5 inches)82%high
April Weather11°C (52°F)119 mm (4.7 inches)83%very high
May Weather14°C (57°F)93 mm (3.7 inches)83%very high
June Weather16°C (60°F)78 mm (3.1 inches)83%very high
July Weather18°C (65°F)35 mm (1.4 inches)82%very high
August Weather18°C (65°F)38 mm (1.5 inches)78%very high
September Weather17°C (62°F)60 mm (2.4 inches)79%high
October Weather13°C (56°F)117 mm (4.6 inches)82%high
November Weather9°C (49°F)149 mm (5.9 inches)84%moderate
December Weather8°C (47°F)180 mm (7.1 inches)85%low

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