nomadseason

December Weather in Saint-Jean-de-Fos, France

Last updated: August 23, 2025

The average temperature in Saint-Jean-de-Fos, France during December hovers around a cool 7°C (44°F). Daily highs can reach up to 19°C (66°F), while nights may dip to a chilly -3°C (27°F). Expect about 84 mm (3.3 in) of precipitation spread across 10 days, resulting in an average humidity of 83%. Prepare accordingly!

December Temperature in Saint-Jean-de-Fos

In December in Saint-Jean-de-Fos, the average temperature is 7°C (44°F), with maximums reaching up to 19°C (66°F) and minimums dropping as low as -3°C (27°F). Be sure to pack for a mix of mild days and chilly evenings during your visit!

December Weather in Saint-Jean-de-Fos: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Saint-Jean-de-Fos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint-Jean-de-Fos, December typically has an average temperature of 7°C (44°F), with highs reaching up to 19°C (66°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec424649536068737366574844
Data source: Temperature data for Saint-Jean-de-Fos generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Saint-Jean-de-Fos

In Saint-Jean-de-Fos in December, the precipitation amount is 84 mm (3.3 in) over a span of 10 days.

December Precipitation Trends in Saint-Jean-de-Fos

The chart displays monthly precipitation patterns in Saint-Jean-de-Fos, 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 Saint-Jean-de-Fos, December typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec90791081121037032457619616684
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Saint-Jean-de-Fos

In Saint-Jean-de-Fos in December, humidity is 83%. With an average temperature of 7°C (44°F), this humidity feels like a damp chill that seeps into your bones, making exploring outdoors somewhat uncomfortable and requiring extra layers to stay warm and dry.

December Average Humidity in Saint-Jean-de-Fos

This chart illustrates the average monthly humidity levels in Saint-Jean-de-Fos, 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 Saint-Jean-de-Fos is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%77%73%73%71%67%66%63%70%80%84%83%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Saint-Jean-de-Fos

In Saint-Jean-de-Fos 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 Saint-Jean-de-Fos, you can visit Hourly UV Index in Saint-Jean-de-Fos.

Maximum UV Index Levels in Saint-Jean-de-Fos for December

The chart shows the monthly maximum UV Index (UVI) for Saint-Jean-de-Fos 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 Saint-Jean-de-Fos typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24679101097532
Data source: Saint-Jean-de-Fos 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 Saint-Jean-de-Fos Compares to Other Months

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

This table compares monthly weather conditions in Saint-Jean-de-Fos, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)90 mm (3.6 inches)82%low
February Weather8°C (46°F)79 mm (3.1 inches)77%moderate
March Weather9°C (49°F)107 mm (4.2 inches)73%high
April Weather12°C (53°F)112 mm (4.4 inches)73%high
May Weather16°C (61°F)102 mm (4.0 inches)71%very high
June Weather20°C (69°F)70 mm (2.8 inches)67%very high
July Weather23°C (74°F)32 mm (1.2 inches)66%very high
August Weather23°C (73°F)45 mm (1.8 inches)63%very high
September Weather19°C (66°F)76 mm (3.0 inches)70%high
October Weather14°C (58°F)196 mm (7.7 inches)80%moderate
November Weather9°C (49°F)166 mm (6.5 inches)84%moderate
December Weather7°C (44°F)84 mm (3.3 inches)83%low

Compare Saint-Jean-de-Fos's Climate with Cities Worldwide