January Weather in Les Clayes-sous-Bois, France

Last updated: August 23, 2025

In January, the average temperature in Les Clayes-sous-Bois, France hovers around 4°C (40°F). You can expect a minimum temperature of -8°C (18°F) and a maximum reaching up to 14°C (58°F). Be prepared for approximately 56 mm (2.2 in) of precipitation over about 10 days, and with an average humidity of 91%, it's a time when the air feels decidedly crisp and damp.

January Temperature in Les Clayes-sous-Bois

In January in Les Clayes-sous-Bois, the average temperature is 4°C (40°F). Maximum temperatures can reach 14°C (58°F), while minimums can drop as low as -8°C (18°F). It’s advisable to pack warm clothing and be prepared for chilly weather if you plan to visit during this time.

January Weather in Les Clayes-sous-Bois: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Les Clayes-sous-Bois, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Les Clayes-sous-Bois, January typically has an average temperature of 4°C (40°F), with highs reaching up to 14°C (58°F) and lows dropping to around -8°C (18°F).

Data source: Temperature data for Les Clayes-sous-Bois generated using information from the Copernicus Climate Change Service.

January Precipitation in Les Clayes-sous-Bois

In Les Clayes-sous-Bois in January, the precipitation amount is 56 mm (2.2 in) over the course of 10 days.

January Precipitation Trends in Les Clayes-sous-Bois

The chart displays monthly precipitation patterns in Les Clayes-sous-Bois, 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 Les Clayes-sous-Bois, January typically receives around 56 mm (2.2 inches) of precipitation spread over approximately 10 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 Les Clayes-sous-Bois

In Les Clayes-sous-Bois in January, humidity is 91%. With an average temperature of 4°C (40°F), this humidity feels like a chilly dampness that clings to your skin, making outdoor travel uncomfortable and necessitating extra layers for warmth.

January Average Humidity in Les Clayes-sous-Bois

This chart illustrates the average monthly humidity levels in Les Clayes-sous-Bois, 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 Les Clayes-sous-Bois is approximately 91%, 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 Les Clayes-sous-Bois

In Les Clayes-sous-Bois 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 Les Clayes-sous-Bois, you can visit Hourly UV Index in Les Clayes-sous-Bois.

Maximum UV Index Levels in Les Clayes-sous-Bois for January

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

Data source: Les Clayes-sous-Bois 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 Les Clayes-sous-Bois Compares to Other Months

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

This table compares monthly weather conditions in Les Clayes-sous-Bois, 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 (40°F)	56 mm (2.2 inches)	91%	low
February Weather	6°C (43°F)	66 mm (2.6 inches)	89%	moderate
March Weather	8°C (47°F)	76 mm (3.0 inches)	85%	moderate
April Weather	11°C (52°F)	37 mm (1.5 inches)	84%	high
May Weather	14°C (58°F)	80 mm (3.2 inches)	82%	very high
June Weather	18°C (65°F)	80 mm (3.2 inches)	80%	very high
July Weather	20°C (69°F)	50 mm (2.0 inches)	73%	very high
August Weather	20°C (67°F)	62 mm (2.4 inches)	68%	very high
September Weather	16°C (62°F)	50 mm (2.0 inches)	76%	high
October Weather	12°C (55°F)	79 mm (3.1 inches)	88%	moderate
November Weather	8°C (46°F)	65 mm (2.5 inches)	92%	low
December Weather	6°C (43°F)	101 mm (4.0 inches)	93%	low