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December Weather in San Javier, Spain

Last updated: August 27, 2025

In December, the average temperature in San Javier, Spain is a mild 14°C (58°F). Expect minimums of 8°C (46°F) and maximums reaching 20°C (69°F). You'll likely experience 20 mm (0.8 in) of precipitation over approximately 2 days, making the atmosphere quite humid with an average humidity rate of 74%.

December Temperature in San Javier

In December in San Javier, the average temperature is 14°C (58°F). Maximums can reach 20°C (69°F), while minimums can dip to as low as 8°C (46°F). Be sure to pack layers to stay comfortable during your travels!

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

The chart illustrates December temperature patterns in San Javier, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Javier, December typically has an average temperature of 14°C (58°F), with highs reaching up to 20°C (69°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec555658606672777976696258
Data source: Temperature data for San Javier 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 Javier

In San Javier in December, the precipitation amount is 20 mm (0.8 in) over the course of 2 days.

December Precipitation Trends in San Javier

The chart displays monthly precipitation patterns in San Javier, 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 Javier, December typically receives around 20 mm (0.8 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec49124948241121263314320
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in San Javier

In San Javier in December humidity is 74%. With an average temperature of 14°C (58°F), this humidity feels like a thick blanket wrapping around you, making outdoor activities slightly uncomfortable and prompting travelers to seek shade or indoor venues more often.

December Average Humidity in San Javier

This chart illustrates the average monthly humidity levels in San Javier, 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 Javier is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%71%69%66%64%65%71%69%70%74%72%74%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in San Javier

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

Maximum UV Index Levels in San Javier for December

The chart shows the monthly maximum UV Index (UVI) for San Javier 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 Javier typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356810111098643
Data source: San Javier 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 Javier Compares to Other Months

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

This table compares monthly weather conditions in San Javier, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather13°C (55°F)49 mm (1.9 inches)72%moderate
February Weather14°C (57°F)12 mm (0.5 inches)71%moderate
March Weather14°C (58°F)49 mm (1.9 inches)69%high
April Weather16°C (60°F)48 mm (1.9 inches)66%very high
May Weather19°C (66°F)24 mm (1.0 inches)64%very high
June Weather22°C (72°F)11 mm (0.4 inches)65%extreme
July Weather25°C (77°F)2 mm (0.1 inches)71%very high
August Weather26°C (79°F)12 mm (0.5 inches)69%very high
September Weather24°C (76°F)63 mm (2.5 inches)70%very high
October Weather21°C (70°F)31 mm (1.2 inches)74%high
November Weather17°C (63°F)43 mm (1.7 inches)72%moderate
December Weather14°C (58°F)20 mm (0.8 inches)74%moderate

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