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December Weather in Millanes, Spain

Last updated: August 27, 2025

In December, the average temperature in Millanes, Spain hovers around 9°C (49°F). Expect cool days, with temperatures dipping to a minimum of -1°C (31°F) and climbing up to a maximum of 19°C (66°F). Be prepared for some rain, as 61 mm (2.4 in) of precipitation is expected over approximately 7 days, combined with a high average humidity of 87%.

December Temperature in Millanes

In December in Millanes, the average temperature is 9°C (49°F), with maximums reaching 19°C (66°F) and minimums dropping as low as -1°C (31°F). This variation makes it essential for travelers to pack layered clothing to comfortably adapt to changing conditions.

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

The chart illustrates December temperature patterns in Millanes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Millanes, December typically has an average temperature of 9°C (49°F), with highs reaching up to 19°C (66°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec455053576674818173635349
Data source: Temperature data for Millanes 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 Millanes

In Millanes in December, the precipitation amount is 61 mm (2.4 in) over the course of 7 days.

December Precipitation Trends in Millanes

The chart displays monthly precipitation patterns in Millanes, 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 Millanes, December typically receives around 61 mm (2.4 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec374683983824122157779961
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Millanes

In Millanes in December humidity is 87%. With an average temperature of 9°C (49°F), this humidity feels like a damp blanket wrapping around you, making travel uncomfortable and leaving you yearning for a dry breeze to refresh your spirit.

December Average Humidity in Millanes

This chart illustrates the average monthly humidity levels in Millanes, 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 Millanes is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%76%68%64%62%47%46%42%54%69%85%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Millanes

In Millanes in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Millanes, you can check the information here.

Maximum UV Index Levels in Millanes for December

The chart shows the monthly maximum UV Index (UVI) for Millanes 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 Millanes typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346910111098643
Data source: Millanes 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 Millanes Compares to Other Months

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

This table compares monthly weather conditions in Millanes, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)37 mm (1.4 inches)87%moderate
February Weather10°C (50°F)46 mm (1.8 inches)76%moderate
March Weather12°C (53°F)83 mm (3.3 inches)68%high
April Weather14°C (58°F)98 mm (3.9 inches)64%very high
May Weather19°C (67°F)38 mm (1.5 inches)62%very high
June Weather23°C (74°F)24 mm (1.0 inches)47%extreme
July Weather27°C (81°F)12 mm (0.5 inches)46%very high
August Weather27°C (81°F)21 mm (0.8 inches)42%very high
September Weather23°C (73°F)57 mm (2.2 inches)53%very high
October Weather17°C (64°F)77 mm (3.0 inches)69%high
November Weather11°C (53°F)99 mm (3.9 inches)85%moderate
December Weather9°C (49°F)61 mm (2.4 inches)87%moderate

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