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January Weather in Saint-Jean-d'Illac, France

Last updated: August 23, 2025

In January, the average temperature in Saint-Jean-d'Illac, France is a cool 6°C (44°F). Temperatures can vary widely, with a minimum of -7°C (19°F) and a maximum of 20°C (68°F). Expect some rain, as the region receives about 60 mm (2.4 in) of precipitation over approximately 9 days. With an average humidity of 85%, be prepared for a damp and chilly atmosphere!

January Temperature in Saint-Jean-d'Illac

In January in Saint-Jean-d'Illac, the average temperature is 6°C (44°F). Maximum temperatures can reach 20°C (68°F), while minimums can drop as low as -7°C (19°F). It’s advisable to pack accordingly for a variety of weather conditions when traveling during this time.

January Weather in Saint-Jean-d'Illac: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Saint-Jean-d'Illac, 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-d'Illac, January typically has an average temperature of 6°C (44°F), with highs reaching up to 20°C (68°F) and lows dropping to around -7°C (19°F).
JanFebMarAprMayJunJulAugSepOctNovDec434851566268727167595047
Data source: Temperature data for Saint-Jean-d'Illac 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.

January Precipitation in Saint-Jean-d'Illac

In Saint-Jean-d'Illac in January, the total precipitation amount is 60 mm (2.4 in), occurring over a span of 9 days.

January Precipitation Trends in Saint-Jean-d'Illac

The chart displays monthly precipitation patterns in Saint-Jean-d'Illac, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Saint-Jean-d'Illac, January typically receives around 60 mm (2.4 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec60647366125974746587078125
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Saint-Jean-d'Illac

In Saint-Jean-d'Illac in January, humidity is 85%. With an average temperature of 6°C (44°F), this humidity feels like a chilly dampness that seeps into your clothes, making travel uncomfortable and adding an extra layer of chill to the air.

January Average Humidity in Saint-Jean-d'Illac

This chart illustrates the average monthly humidity levels in Saint-Jean-d'Illac, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Saint-Jean-d'Illac is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%83%82%82%82%80%76%73%76%82%83%85%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Saint-Jean-d'Illac

In Saint-Jean-d'Illac in January, 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-d'Illac, you can visit Hourly UV Index in Saint-Jean-d'Illac.

Maximum UV Index Levels in Saint-Jean-d'Illac for January

The chart shows the monthly maximum UV Index (UVI) for Saint-Jean-d'Illac in January, 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 January, the maximum UV index in Saint-Jean-d'Illac typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2367810987532
Data source: Saint-Jean-d'Illac January 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 January Weather in Saint-Jean-d'Illac Compares to Other Months

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

This table compares monthly weather conditions in Saint-Jean-d'Illac, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (44°F)60 mm (2.4 inches)85%low
February Weather9°C (48°F)64 mm (2.5 inches)83%moderate
March Weather11°C (51°F)73 mm (2.9 inches)82%high
April Weather13°C (56°F)66 mm (2.6 inches)82%high
May Weather17°C (62°F)125 mm (4.9 inches)82%very high
June Weather20°C (68°F)97 mm (3.8 inches)80%very high
July Weather22°C (72°F)47 mm (1.8 inches)76%very high
August Weather22°C (71°F)46 mm (1.8 inches)73%very high
September Weather19°C (67°F)58 mm (2.3 inches)76%high
October Weather15°C (59°F)70 mm (2.8 inches)81%moderate
November Weather10°C (50°F)78 mm (3.1 inches)83%moderate
December Weather8°C (47°F)125 mm (4.9 inches)85%low

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