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December Weather in Sant Joan les Fonts, Spain

Last updated: August 27, 2025

In December, the average temperature in Sant Joan les Fonts, Spain hovers around 5°C (42°F), with extremes ranging from a chilly -4°C (25°F) to a mild 18°C (64°F). Expect about 50 mm (2.0 in) of precipitation spread across 8 days, contributing to a high average humidity of 88%. Prepare for a damp, cool atmosphere as you explore!

December Temperature in Sant Joan les Fonts

In December in Sant Joan les Fonts, the average temperature is 5°C (42°F), with maximums reaching 18°C (64°F) and minimums dropping as low as -4°C (25°F). It's a good time for travelers to prepare for a mix of cool days and chilly nights while exploring the area.

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

The chart illustrates December temperature patterns in Sant Joan les Fonts, 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 les Fonts, December typically has an average temperature of 5°C (42°F), with highs reaching up to 18°C (64°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec394446505765696962554541
Data source: Temperature data for Sant Joan les Fonts 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 les Fonts

In Sant Joan les Fonts in December, the total precipitation amount is 50 mm (2.0 in) spread over 8 days.

December Precipitation Trends in Sant Joan les Fonts

The chart displays monthly precipitation patterns in Sant Joan les Fonts, 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 les Fonts, December typically receives around 50 mm (2.0 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec89769613518816714012616117010850
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sant Joan les Fonts

In Sant Joan les Fonts in December humidity is 88%. With an average temperature of 5°C (42°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less appealing and leading you to seek warmth indoors instead.

December Average Humidity in Sant Joan les Fonts

This chart illustrates the average monthly humidity levels in Sant Joan les Fonts, 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 les Fonts is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%83%80%77%75%74%72%70%73%82%87%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sant Joan les Fonts

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

Maximum UV Index Levels in Sant Joan les Fonts for December

The chart shows the monthly maximum UV Index (UVI) for Sant Joan les Fonts 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 les Fonts typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689111198632
Data source: Sant Joan les Fonts 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 les Fonts Compares to Other Months

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

This table compares monthly weather conditions in Sant Joan les Fonts, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)89 mm (3.5 inches)87%moderate
February Weather6°C (44°F)75 mm (3.0 inches)83%moderate
March Weather8°C (46°F)96 mm (3.8 inches)80%high
April Weather10°C (50°F)135 mm (5.3 inches)77%very high
May Weather14°C (58°F)188 mm (7.4 inches)75%very high
June Weather18°C (65°F)167 mm (6.6 inches)74%extreme
July Weather21°C (70°F)140 mm (5.5 inches)72%extreme
August Weather21°C (70°F)126 mm (4.9 inches)70%very high
September Weather17°C (62°F)161 mm (6.3 inches)73%very high
October Weather13°C (56°F)170 mm (6.7 inches)82%high
November Weather7°C (46°F)108 mm (4.2 inches)87%moderate
December Weather5°C (42°F)50 mm (2.0 inches)88%low

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