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December Weather in Sant Joan Despi, Spain

Last updated: August 27, 2025

In December, the average temperature in Sant Joan Despi, Spain is a comfortable 12°C (53°F). Expect minimums dipping to 4°C (40°F) and highs reaching up to 18°C (65°F). This month sees about 30 mm (1.2 in) of precipitation over 4 days, contributing to an average humidity level of 79%. Stay prepared for a mix of mild weather and occasional showers!

December Temperature in Sant Joan Despi

In December in Sant Joan Despi, the average temperature is 12°C (53°F). Maximum temperatures can reach 18°C (65°F), while minimums can dip as low as 4°C (40°F). Be prepared for mild weather and pack accordingly for both warmer and cooler moments during your travels.

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

The chart illustrates December temperature patterns in Sant Joan Despi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sant Joan Despi, December typically has an average temperature of 12°C (53°F), with highs reaching up to 18°C (65°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec505254576370767772665853
Data source: Temperature data for Sant Joan Despi 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 Joan Despi

In Sant Joan Despi in December, the precipitation amount is 30 mm (1.2 in) over the course of 4 days.

December Precipitation Trends in Sant Joan Despi

The chart displays monthly precipitation patterns in Sant Joan Despi, 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 Joan Despi, December typically receives around 30 mm (1.2 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec5947477039312838991098130
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sant Joan Despi

In Sant Joan Despi in December, humidity is 79%. With an average temperature of 12°C (53°F), this humidity feels like a damp blanket enveloping you, making outdoor activities slightly uncomfortable and ideal for cozy indoor explorations rather than extensive sightseeing.

December Average Humidity in Sant Joan Despi

This chart illustrates the average monthly humidity levels in Sant Joan Despi, 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 Joan Despi is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%74%71%69%66%65%64%64%68%77%79%79%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sant Joan Despi

In Sant Joan Despi 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 Joan Despi, you can visit Hourly UV Index in Sant Joan Despi.

Maximum UV Index Levels in Sant Joan Despi for December

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

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

This table compares monthly weather conditions in Sant Joan Despi, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)59 mm (2.3 inches)79%moderate
February Weather11°C (53°F)47 mm (1.9 inches)74%moderate
March Weather12°C (54°F)47 mm (1.9 inches)71%moderate
April Weather14°C (57°F)69 mm (2.7 inches)69%high
May Weather17°C (63°F)39 mm (1.5 inches)66%very high
June Weather21°C (71°F)31 mm (1.2 inches)65%very high
July Weather24°C (76°F)28 mm (1.1 inches)64%very high
August Weather25°C (77°F)38 mm (1.5 inches)64%very high
September Weather22°C (73°F)99 mm (3.9 inches)68%high
October Weather19°C (66°F)109 mm (4.3 inches)77%high
November Weather14°C (58°F)81 mm (3.2 inches)79%moderate
December Weather12°C (53°F)30 mm (1.2 inches)79%low

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