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December Weather in Silleda, Spain

Last updated: August 27, 2025

In Silleda, Spain, the average temperature in December hovers around 9°C (48°F). Expect a cool chill as the minimum temperature can dip to -1°C (31°F), while the maximum reaches a mild 16°C (62°F). This month sees a notable precipitation amount of 181 mm (7.1 in) spread over 17 days, contributing to an average humidity of 85%. Be prepared for wet and brisk conditions!

December Temperature in Silleda

In December in Silleda, the average temperature is 9°C (48°F). The maximum can reach 16°C (62°F) and the minimum can be as low as -1°C (31°F). Be prepared for a cool climate and pack accordingly for your travels.

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

The chart illustrates December temperature patterns in Silleda, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Silleda, December typically has an average temperature of 9°C (48°F), with highs reaching up to 16°C (62°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec454849525761656562575048
Data source: Temperature data for Silleda 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 Silleda

In Silleda in December, the precipitation amount is 181 mm (7.1 in) over a span of 17 days.

December Precipitation Trends in Silleda

The chart displays monthly precipitation patterns in Silleda, 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 Silleda, December typically receives around 181 mm (7.1 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec951321401168671353962114151181
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Silleda

In Silleda in December humidity is 85%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill enveloping you, making outdoor activities less enjoyable and requiring extra layers to stay warm and comfortable while traveling.

December Average Humidity in Silleda

This chart illustrates the average monthly humidity levels in Silleda, 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 Silleda 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 Silleda

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

Maximum UV Index Levels in Silleda for December

The chart shows the monthly maximum UV Index (UVI) for Silleda 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 Silleda typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2468910997632
Data source: Silleda 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 Silleda Compares to Other Months

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

This table compares monthly weather conditions in Silleda, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)95 mm (3.7 inches)84%low
February Weather9°C (48°F)132 mm (5.2 inches)83%moderate
March Weather9°C (49°F)140 mm (5.5 inches)82%high
April Weather11°C (52°F)116 mm (4.6 inches)83%very high
May Weather14°C (58°F)86 mm (3.4 inches)83%very high
June Weather16°C (61°F)71 mm (2.8 inches)83%very high
July Weather18°C (65°F)35 mm (1.4 inches)82%very high
August Weather18°C (65°F)39 mm (1.5 inches)78%very high
September Weather17°C (63°F)62 mm (2.4 inches)79%high
October Weather14°C (57°F)114 mm (4.5 inches)82%high
November Weather10°C (50°F)151 mm (5.9 inches)84%moderate
December Weather9°C (48°F)181 mm (7.1 inches)85%low

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