January Weather in Saint-Constant, France

Last updated: August 23, 2025

In January, the average temperature in Saint-Constant, France hovers around 4°C (39°F), with extremes ranging from a chilly -9°C (15°F) to a mild 17°C (63°F). Prepare for a wet month as you'll likely experience 109 mm (4.3 in) of precipitation over approximately 11 days, accompanied by a high average humidity of 90%.

January Temperature in Saint-Constant

In January in Saint-Constant, the average temperature is 4°C (39°F), with maximums reaching up to 17°C (63°F) and minimums dropping as low as -9°C (15°F). Travelers should prepare for a wide range of temperatures and dress in layers to stay comfortable during their visit.

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

The chart illustrates January temperature patterns in Saint-Constant, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint-Constant, January typically has an average temperature of 4°C (39°F), with highs reaching up to 17°C (63°F) and lows dropping to around -9°C (15°F).

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

January Precipitation in Saint-Constant

In Saint-Constant in January, the precipitation amount is 109 mm (4.3 in), occurring over a span of 11 days.

January Precipitation Trends in Saint-Constant

The chart displays monthly precipitation patterns in Saint-Constant, 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-Constant, January typically receives around 109 mm (4.3 inches) of precipitation spread over approximately 11 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-Constant

In Saint-Constant in January humidity is 90%. With an average temperature of 4°C (39°F), this humidity feels like a damp chill that seeps into your bones, making travel uncomfortable and requiring extra layers to stay warm while navigating the misty streets.

January Average Humidity in Saint-Constant

This chart illustrates the average monthly humidity levels in Saint-Constant, 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-Constant 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-Constant

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

Maximum UV Index Levels in Saint-Constant for January

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

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

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

This table compares monthly weather conditions in Saint-Constant, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (39°F)	109 mm (4.3 inches)	90%	low
February Weather	6°C (44°F)	90 mm (3.5 inches)	87%	moderate
March Weather	8°C (46°F)	115 mm (4.5 inches)	85%	high
April Weather	11°C (52°F)	69 mm (2.7 inches)	84%	high
May Weather	14°C (58°F)	125 mm (4.9 inches)	84%	very high
June Weather	18°C (65°F)	118 mm (4.6 inches)	82%	very high
July Weather	21°C (69°F)	74 mm (2.9 inches)	79%	very high
August Weather	20°C (69°F)	66 mm (2.6 inches)	75%	very high
September Weather	17°C (62°F)	77 mm (3.0 inches)	79%	high
October Weather	12°C (54°F)	96 mm (3.8 inches)	86%	moderate
November Weather	7°C (46°F)	109 mm (4.3 inches)	90%	moderate
December Weather	5°C (42°F)	199 mm (7.8 inches)	92%	low