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December Weather in Sisamon, Spain

Last updated: August 27, 2025

In Sisamon, Spain during December, the average temperature is a cool 5°C (42°F). Expect a minimum of -6°C (22°F) and a comfortable maximum of 17°C (63°F). With an average precipitation of 32 mm (1.3 in) falling over 7 days, and a high humidity level at 84%, be prepared for a damp yet crisp atmosphere!

December Temperature in Sisamon

In December in Sisamon, the average temperature is 5°C (42°F), with maximums reaching 17°C (63°F) and minimums dipping as low as -6°C (22°F). Travelers should be prepared for a cool climate and pack accordingly for both mild and chilly weather.

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

The chart illustrates December temperature patterns in Sisamon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sisamon, 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 -6°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec384447516068747365564542
Data source: Temperature data for Sisamon 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 Sisamon

In Sisamon in December, the precipitation amount is 32 mm (1.3 in) over the course of 7 days.

December Precipitation Trends in Sisamon

The chart displays monthly precipitation patterns in Sisamon, 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 Sisamon, December typically receives around 32 mm (1.3 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec343047885755192040345232
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sisamon

In Sisamon in December, humidity is 84%. With an average temperature of 5°C (42°F), this humidity feels like a thick blanket wrapping around you, making every step feel heavier while traveling.

December Average Humidity in Sisamon

This chart illustrates the average monthly humidity levels in Sisamon, 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 Sisamon is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%80%73%69%64%59%58%58%64%76%82%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sisamon

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

Maximum UV Index Levels in Sisamon for December

The chart shows the monthly maximum UV Index (UVI) for Sisamon 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 Sisamon typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3468101111108642
Data source: Sisamon 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 Sisamon Compares to Other Months

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

This table compares monthly weather conditions in Sisamon, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (39°F)34 mm (1.3 inches)85%moderate
February Weather7°C (44°F)29 mm (1.2 inches)80%moderate
March Weather8°C (47°F)47 mm (1.8 inches)73%high
April Weather11°C (51°F)88 mm (3.5 inches)69%very high
May Weather15°C (60°F)57 mm (2.2 inches)64%very high
June Weather20°C (68°F)55 mm (2.2 inches)59%extreme
July Weather23°C (74°F)19 mm (0.8 inches)58%extreme
August Weather23°C (74°F)20 mm (0.8 inches)58%very high
September Weather18°C (65°F)40 mm (1.6 inches)64%very high
October Weather13°C (56°F)34 mm (1.3 inches)76%high
November Weather7°C (46°F)52 mm (2.1 inches)82%moderate
December Weather5°C (42°F)32 mm (1.3 inches)84%low

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