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January Weather in Saint-Julien, France

Last updated: August 23, 2025

In Saint-Julien, France, the average temperature in January hovers around 3°C (38°F). Expect chilly nights with minimums dipping to -10°C (15°F), while daytime highs can reach a mild 15°C (59°F). Be prepared for 75 mm (2.9 in) of precipitation over approximately 11 days, contributing to an average humidity of 91%. Dress accordingly to enjoy this crisp and damp season!

January Temperature in Saint-Julien

In January in Saint-Julien, the average temperature is 3°C (38°F). Maximums can reach 15°C (59°F), while minimums can drop as low as -10°C (15°F). Be prepared for chilly weather and pack accordingly if you're planning to visit during this time!

January Weather in Saint-Julien: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Saint-Julien, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint-Julien, January typically has an average temperature of 3°C (38°F), with highs reaching up to 15°C (59°F) and lows dropping to around -10°C (15°F).
JanFebMarAprMayJunJulAugSepOctNovDec384347536068727164554541
Data source: Temperature data for Saint-Julien 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-Julien

In Saint-Julien in January, the precipitation amount is 75 mm (2.9 in) over the course of 11 days.

January Precipitation Trends in Saint-Julien

The chart displays monthly precipitation patterns in Saint-Julien, 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-Julien, January typically receives around 75 mm (2.9 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec755983541188679817510197134
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Saint-Julien

In Saint-Julien in January humidity is 91%. With an average temperature of 3°C (38°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and necessitating layered clothing to stay warm and dry during your travels.

January Average Humidity in Saint-Julien

This chart illustrates the average monthly humidity levels in Saint-Julien, 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-Julien is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%88%84%81%77%76%68%61%72%88%91%92%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Saint-Julien

In Saint-Julien 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-Julien, you can visit Hourly UV Index in Saint-Julien.

Maximum UV Index Levels in Saint-Julien for January

The chart shows the monthly maximum UV Index (UVI) for Saint-Julien 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-Julien typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986532
Data source: Saint-Julien 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-Julien Compares to Other Months

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

This table compares monthly weather conditions in Saint-Julien, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)75 mm (2.9 inches)91%low
February Weather6°C (43°F)59 mm (2.3 inches)88%moderate
March Weather8°C (47°F)82 mm (3.2 inches)84%moderate
April Weather12°C (54°F)54 mm (2.1 inches)81%high
May Weather15°C (60°F)118 mm (4.6 inches)77%very high
June Weather20°C (69°F)86 mm (3.4 inches)76%very high
July Weather22°C (72°F)79 mm (3.1 inches)68%very high
August Weather22°C (71°F)81 mm (3.2 inches)61%very high
September Weather18°C (64°F)75 mm (2.9 inches)72%high
October Weather13°C (55°F)101 mm (4.0 inches)88%moderate
November Weather7°C (45°F)97 mm (3.8 inches)91%moderate
December Weather5°C (41°F)134 mm (5.3 inches)92%low

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