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December Weather in San Fernando, Spain

Last updated: August 27, 2025

In San Fernando, Spain, the average temperature in December is a mild 14°C (58°F), with lows dipping to 6°C (43°F) and highs reaching up to 21°C (70°F). During this time, residents can expect 54 mm (2.1 in) of precipitation spread over 7 days, coupled with an average humidity of 81%. Embrace the cool, refreshing climate as you explore the unique charm of this destination!

December Temperature in San Fernando

In December, in San Fernando, the average temperature is 14°C (58°F). The maximum can reach 21°C (70°F), while the minimum can be as low as 6°C (43°F). This mild climate makes San Fernando an inviting destination for travelers looking to enjoy comfortable weather.

December Weather in San Fernando: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in San Fernando, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Fernando, December typically has an average temperature of 14°C (58°F), with highs reaching up to 21°C (70°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec545759616771757774696157
Data source: Temperature data for San Fernando 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 San Fernando

In San Fernando in December, the precipitation amount is 54 mm (2.1 in) over a duration of 7 days.

December Precipitation Trends in San Fernando

The chart displays monthly precipitation patterns in San Fernando, 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 San Fernando, December typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec493987662550213499254
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in San Fernando

In San Fernando in December, humidity is 81%. With an average temperature of 14°C (58°F), this humidity feels like a warm blanket wrapping around you, making outdoor adventures sticky and challenging, while also providing a lush, vibrant atmosphere perfect for exploring.

December Average Humidity in San Fernando

This chart illustrates the average monthly humidity levels in San Fernando, 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 San Fernando is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%71%67%60%59%52%54%52%59%68%77%81%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in San Fernando

In San Fernando 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 San Fernando, you can check the information here.

Maximum UV Index Levels in San Fernando for December

The chart shows the monthly maximum UV Index (UVI) for San Fernando 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 San Fernando typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101110108743
Data source: San Fernando 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 San Fernando Compares to Other Months

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

This table compares monthly weather conditions in San Fernando, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (54°F)49 mm (1.9 inches)79%moderate
February Weather14°C (58°F)39 mm (1.5 inches)71%moderate
March Weather15°C (59°F)87 mm (3.4 inches)67%high
April Weather16°C (62°F)66 mm (2.6 inches)60%very high
May Weather20°C (68°F)25 mm (1.0 inches)59%very high
June Weather22°C (71°F)5 mm (0.2 inches)52%extreme
July Weather24°C (75°F)0 mm (0.0 inches)54%very high
August Weather25°C (77°F)2 mm (0.1 inches)51%very high
September Weather24°C (75°F)13 mm (0.5 inches)59%very high
October Weather21°C (69°F)49 mm (1.9 inches)68%high
November Weather16°C (62°F)92 mm (3.6 inches)77%moderate
December Weather14°C (58°F)54 mm (2.1 inches)81%moderate

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