January Weather in Saint-Justin, France

Last updated: August 23, 2025

In January, the average temperature in Saint-Justin, France hovers around 6°C (43°F), with a minimum of -7°C (20°F) and a maximum reaching up to 21°C (70°F). Expect about 61 mm (2.4 in) of precipitation over 9 days, and a relatively high average humidity of 86%.

January Temperature in Saint-Justin

In January in Saint-Justin, the average temperature is 6°C (43°F). Maximum temperatures can reach 21°C (70°F), while the minimum can drop to as low as -7°C (20°F). This diverse range of temperatures makes it essential for travelers to pack layers to accommodate both warm and chilly conditions.

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

The chart illustrates January temperature patterns in Saint-Justin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint-Justin, January typically has an average temperature of 6°C (43°F), with highs reaching up to 21°C (70°F) and lows dropping to around -7°C (20°F).

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

January Precipitation in Saint-Justin

In Saint-Justin in January, the precipitation amount is 61 mm (2.4 in) spread over 9 days.

January Precipitation Trends in Saint-Justin

The chart displays monthly precipitation patterns in Saint-Justin, 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-Justin, January typically receives around 61 mm (2.4 inches) of precipitation spread over approximately 9 days.

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

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Millimeters (mm) Inches (in)

January Humidity in Saint-Justin

In Saint-Justin in January humidity is 86%. With an average temperature of 6°C (43°F), this humidity feels like a chilling blanket enveloping you, making outdoor exploration feel damp and uncomfortable.

January Average Humidity in Saint-Justin

This chart illustrates the average monthly humidity levels in Saint-Justin, 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-Justin is approximately 86%, 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-Justin

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

Maximum UV Index Levels in Saint-Justin for January

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

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

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

This table compares monthly weather conditions in Saint-Justin, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (43°F)	61 mm (2.4 inches)	86%	low
February Weather	9°C (49°F)	57 mm (2.3 inches)	85%	moderate
March Weather	11°C (52°F)	63 mm (2.5 inches)	82%	moderate
April Weather	14°C (57°F)	62 mm (2.4 inches)	81%	high
May Weather	17°C (63°F)	100 mm (3.9 inches)	80%	very high
June Weather	21°C (70°F)	85 mm (3.4 inches)	81%	very high
July Weather	23°C (74°F)	41 mm (1.6 inches)	80%	very high
August Weather	23°C (73°F)	44 mm (1.7 inches)	76%	very high
September Weather	20°C (68°F)	52 mm (2.1 inches)	75%	high
October Weather	15°C (59°F)	67 mm (2.6 inches)	81%	moderate
November Weather	10°C (50°F)	78 mm (3.1 inches)	85%	moderate
December Weather	8°C (47°F)	108 mm (4.3 inches)	87%	low