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December Weather in Sant Marti Vell, Spain

Last updated: August 27, 2025

In December, the average temperature in Sant Marti Vell, Spain hovers around 10°C (50°F), with a minimum dipping to 1°C (33°F) and a pleasant maximum reaching 19°C (66°F). Expect some rain, with 43 mm (1.7 in) of precipitation over about 7 days. The air feels quite humid, with an average humidity level of 74%.

December Temperature in Sant Marti Vell

In December in Sant Marti Vell, the average temperature is 10°C (50°F). Maximums can reach 19°C (66°F), while minimums can drop as low as 1°C (33°F). This mild weather makes Sant Marti Vell an ideal destination for travelers seeking a comfortable climate for exploration.

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

The chart illustrates December temperature patterns in Sant Marti Vell, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sant Marti Vell, December typically has an average temperature of 10°C (50°F), with highs reaching up to 19°C (66°F) and lows dropping to around 1°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec475053576371767770635450
Data source: Temperature data for Sant Marti Vell 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 Marti Vell

In Sant Marti Vell in December, the total precipitation amount is 43 mm (1.7 in) spread over a period of 7 days.

December Precipitation Trends in Sant Marti Vell

The chart displays monthly precipitation patterns in Sant Marti Vell, 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 Marti Vell, December typically receives around 43 mm (1.7 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec7144497759392830741147943
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sant Marti Vell

In Sant Marti Vell in December humidity is 74%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill that clings to your clothes, making outdoor exploration uncomfortable and requiring travelers to dress in layers to stay warm while navigating the moist air.

December Average Humidity in Sant Marti Vell

This chart illustrates the average monthly humidity levels in Sant Marti Vell, 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 Marti Vell is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%73%75%77%78%77%78%75%73%77%77%74%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sant Marti Vell

In Sant Marti Vell 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 Marti Vell, you can visit Hourly UV Index in Sant Marti Vell.

Maximum UV Index Levels in Sant Marti Vell for December

The chart shows the monthly maximum UV Index (UVI) for Sant Marti Vell 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 Marti Vell typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34579101097632
Data source: Sant Marti Vell 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 Marti Vell Compares to Other Months

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

This table compares monthly weather conditions in Sant Marti Vell, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)71 mm (2.8 inches)77%moderate
February Weather10°C (51°F)44 mm (1.7 inches)73%moderate
March Weather12°C (53°F)49 mm (1.9 inches)75%moderate
April Weather14°C (57°F)77 mm (3.0 inches)77%high
May Weather17°C (64°F)59 mm (2.3 inches)78%very high
June Weather22°C (72°F)38 mm (1.5 inches)77%very high
July Weather25°C (77°F)28 mm (1.1 inches)78%very high
August Weather25°C (77°F)30 mm (1.2 inches)75%very high
September Weather21°C (70°F)74 mm (2.9 inches)73%high
October Weather17°C (63°F)114 mm (4.5 inches)77%high
November Weather12°C (54°F)79 mm (3.1 inches)77%moderate
December Weather10°C (50°F)43 mm (1.7 inches)74%low

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