January Weather in Saint-Germain, France

Last updated: August 23, 2025

In January, the average temperature in Saint-Germain, France hovers around 5°C (41°F), with lows dipping to a chilly -7°C (19°F) and highs reaching a mild 16°C (61°F). Expect 58 mm (2.3 in) of precipitation spread over 10 days, contributing to the region's lush environment. Additionally, the air is notably humid, with an average humidity of 90%.

January Temperature in Saint-Germain

In January in Saint-Germain, the average temperature is 5°C (41°F). The maximum can reach 16°C (61°F), and the minimum can be as low as -7°C (19°F). Be prepared for chilly weather and pack accordingly if you're planning to visit during this month.

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

The chart illustrates January temperature patterns in Saint-Germain, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint-Germain, January typically has an average temperature of 5°C (41°F), with highs reaching up to 16°C (61°F) and lows dropping to around -7°C (19°F).

Data source: Temperature data for Saint-Germain generated using information from the Copernicus Climate Change Service.

January Precipitation in Saint-Germain

In Saint-Germain in January, the total precipitation amount is 58 mm (2.3 in), measured over a span of 10 days.

January Precipitation Trends in Saint-Germain

The chart displays monthly precipitation patterns in Saint-Germain, 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-Germain, January typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 10 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Saint-Germain

In Saint-Germain in January, humidity is 90%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that clings to your skin, making travel feel more strenuous as you navigate the cold air mixed with moisture, potentially leaving you feeling sluggish and uncomfortable.

January Average Humidity in Saint-Germain

This chart illustrates the average monthly humidity levels in Saint-Germain, 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-Germain is approximately 90%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Saint-Germain

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

Maximum UV Index Levels in Saint-Germain for January

The chart shows the monthly maximum UV Index (UVI) for Saint-Germain 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-Germain typically reaches 2, which falls under the low exposure category.

Data source: Saint-Germain 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-Germain Compares to Other Months

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

This table compares monthly weather conditions in Saint-Germain, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (41°F)	58 mm (2.3 inches)	90%	low
February Weather	7°C (45°F)	64 mm (2.5 inches)	88%	moderate
March Weather	9°C (49°F)	74 mm (2.9 inches)	85%	moderate
April Weather	12°C (54°F)	53 mm (2.1 inches)	83%	high
May Weather	15°C (60°F)	83 mm (3.3 inches)	83%	very high
June Weather	19°C (67°F)	73 mm (2.9 inches)	79%	very high
July Weather	22°C (71°F)	36 mm (1.4 inches)	71%	very high
August Weather	21°C (70°F)	25 mm (1.0 inches)	68%	very high
September Weather	18°C (65°F)	39 mm (1.5 inches)	76%	high
October Weather	14°C (57°F)	76 mm (3.0 inches)	87%	moderate
November Weather	8°C (47°F)	70 mm (2.8 inches)	91%	moderate
December Weather	7°C (45°F)	102 mm (4.0 inches)	93%	low