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December Weather in Sant Lluis, Spain

Last updated: August 27, 2025

In Sant Lluis, Spain, the average temperature in December hovers around 15°C (59°F), with a minimum of 8°C (47°F) and a maximum reaching 19°C (66°F). Expect 9 days of rain, accumulating around 59 mm (2.3 in) of precipitation. The average humidity is a comfortable 73%, perfect for enjoying the scenic beauty of the area!

December Temperature in Sant Lluis

In December in Sant Lluis, the average temperature is 15°C (59°F). The maximum can reach 19°C (66°F), while the minimum can drop to as low as 8°C (47°F). Visitors should prepare for mild weather with the possibility of cooler days, making layers a practical choice for travel.

December Weather in Sant Lluis: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Sant Lluis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sant Lluis, December typically has an average temperature of 15°C (59°F), with highs reaching up to 19°C (66°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec555657596471777975706359
Data source: Temperature data for Sant Lluis 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 Sant Lluis

In Sant Lluis in December, the precipitation amount is 59 mm (2.3 in) over the course of 9 days.

December Precipitation Trends in Sant Lluis

The chart displays monthly precipitation patterns in Sant Lluis, 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 Sant Lluis, December typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec70273232271347445912659
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sant Lluis

In Sant Lluis in December humidity is 73%. With an average temperature of 15°C (59°F), this humidity feels like a mild discomfort, making sightseeing a bit sticky and requiring travelers to stay hydrated and take breaks in the shade.

December Average Humidity in Sant Lluis

This chart illustrates the average monthly humidity levels in Sant Lluis, 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 Sant Lluis is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%73%76%79%79%82%84%81%77%78%73%73%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sant Lluis

In Sant Lluis 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 Sant Lluis, you can visit Hourly UV Index in Sant Lluis.

Maximum UV Index Levels in Sant Lluis for December

The chart shows the monthly maximum UV Index (UVI) for Sant Lluis 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 Sant Lluis typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098642
Data source: Sant Lluis 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 Sant Lluis Compares to Other Months

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

This table compares monthly weather conditions in Sant Lluis, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather13°C (56°F)70 mm (2.7 inches)76%moderate
February Weather13°C (56°F)27 mm (1.1 inches)73%moderate
March Weather14°C (57°F)32 mm (1.3 inches)76%high
April Weather15°C (59°F)32 mm (1.3 inches)79%very high
May Weather18°C (65°F)27 mm (1.1 inches)79%very high
June Weather22°C (72°F)13 mm (0.5 inches)82%very high
July Weather25°C (77°F)4 mm (0.2 inches)84%very high
August Weather26°C (79°F)7 mm (0.3 inches)81%very high
September Weather24°C (76°F)44 mm (1.7 inches)77%very high
October Weather21°C (70°F)59 mm (2.3 inches)78%high
November Weather17°C (63°F)126 mm (5.0 inches)73%moderate
December Weather15°C (59°F)59 mm (2.3 inches)73%low

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