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December Weather in Boltana, Spain

Last updated: August 27, 2025

In Boltana, Spain, the average temperature in December hovers around 1°C (35°F). Expect chilly days where the minimum can dip to -12°C (11°F), while the maximum peaks at 14°C (57°F). With an average humidity of 88%, it’s a damp month, bringing about 115 mm (4.5 in) of precipitation over approximately 13 days. Make sure to dress warmly and prepare for the moisture!

December Temperature in Boltana

In December in Boltana, the average temperature is 1°C (35°F), with maximums reaching 14°C (57°F) and minimums dropping as low as -12°C (11°F). For travelers, it's essential to prepare for a chilly climate and pack accordingly.

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

The chart illustrates December temperature patterns in Boltana, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Boltana, December typically has an average temperature of 1°C (35°F), with highs reaching up to 14°C (57°F) and lows dropping to around -12°C (11°F).
JanFebMarAprMayJunJulAugSepOctNovDec333739455260656658503934
Data source: Temperature data for Boltana 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 Boltana

In Boltana in December, the precipitation amount is 115 mm (4.5 in) spread over 13 days.

December Precipitation Trends in Boltana

The chart displays monthly precipitation patterns in Boltana, 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 Boltana, December typically receives around 115 mm (4.5 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec646211212211811345716110097115
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Boltana

In Boltana in December, humidity is 88%. With an average temperature of 1°C (35°F), this humidity feels like a chilly embrace, making travel quite uncomfortable as the cold moisture clings to your skin, leaving you feeling damp and frigid.

December Average Humidity in Boltana

This chart illustrates the average monthly humidity levels in Boltana, 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 Boltana is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%83%80%77%75%74%72%70%73%82%87%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Boltana

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

Maximum UV Index Levels in Boltana for December

The chart shows the monthly maximum UV Index (UVI) for Boltana 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 Boltana typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689111198632
Data source: Boltana 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 Boltana Compares to Other Months

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

This table compares monthly weather conditions in Boltana, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)64 mm (2.5 inches)87%moderate
February Weather3°C (37°F)62 mm (2.5 inches)83%moderate
March Weather4°C (39°F)112 mm (4.4 inches)80%high
April Weather7°C (45°F)122 mm (4.8 inches)77%very high
May Weather11°C (53°F)118 mm (4.7 inches)75%very high
June Weather15°C (60°F)113 mm (4.4 inches)74%extreme
July Weather19°C (66°F)45 mm (1.8 inches)72%extreme
August Weather19°C (66°F)71 mm (2.8 inches)70%very high
September Weather14°C (58°F)61 mm (2.4 inches)73%very high
October Weather10°C (50°F)100 mm (3.9 inches)82%high
November Weather4°C (39°F)97 mm (3.8 inches)87%moderate
December Weather1°C (35°F)115 mm (4.5 inches)88%low

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