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December Weather in Rosalejo, Spain

Last updated: August 27, 2025

In December, the average temperature in Rosalejo, Spain hovers around 8°C (46°F). Expect chilly days, with minimum temperatures dipping to -3°C (27°F) and a possible maximum of 18°C (65°F). Be prepared for some rainy weather, as 55 mm (2.2 in) of precipitation can fall over approximately 8 days. Additionally, the air tends to be quite humid, with an average humidity of 87%.

December Temperature in Rosalejo

In December in Rosalejo, the average temperature is 8°C (46°F). The maximum can reach 18°C (65°F), and the minimum can be as low as -3°C (27°F). Be sure to pack layers to stay comfortable while exploring the area, as the weather can vary significantly throughout the day.

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

The chart illustrates December temperature patterns in Rosalejo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rosalejo, December typically has an average temperature of 8°C (46°F), with highs reaching up to 18°C (65°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec434851556573808072625046
Data source: Temperature data for Rosalejo 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 Rosalejo

In Rosalejo in December, the precipitation amount is 55 mm (2.2 in) over the course of 8 days.

December Precipitation Trends in Rosalejo

The chart displays monthly precipitation patterns in Rosalejo, 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 Rosalejo, December typically receives around 55 mm (2.2 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec353981913917121237657555
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Rosalejo

In Rosalejo in December, humidity is 87%. With an average temperature of 8°C (46°F), this humidity feels like a chilly, damp fog clinging to your skin, making outdoor activities a bit uncomfortable and causing even mild exertion to leave you feeling clammy and cold.

December Average Humidity in Rosalejo

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

In Rosalejo 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 Rosalejo, you can check the information here.

Maximum UV Index Levels in Rosalejo for December

The chart shows the monthly maximum UV Index (UVI) for Rosalejo 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 Rosalejo typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346910111198643
Data source: Rosalejo 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 Rosalejo Compares to Other Months

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

This table compares monthly weather conditions in Rosalejo, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)35 mm (1.4 inches)87%moderate
February Weather9°C (48°F)39 mm (1.5 inches)76%moderate
March Weather10°C (51°F)81 mm (3.2 inches)68%high
April Weather13°C (56°F)91 mm (3.6 inches)64%very high
May Weather18°C (65°F)39 mm (1.5 inches)62%very high
June Weather23°C (73°F)17 mm (0.7 inches)47%extreme
July Weather27°C (80°F)12 mm (0.5 inches)46%extreme
August Weather27°C (80°F)12 mm (0.5 inches)42%very high
September Weather22°C (72°F)37 mm (1.5 inches)53%very high
October Weather17°C (63°F)65 mm (2.6 inches)69%high
November Weather10°C (51°F)75 mm (2.9 inches)85%moderate
December Weather8°C (46°F)55 mm (2.2 inches)87%moderate

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