January Weather in Clairefontaine-en-Yvelines, France

Last updated: August 23, 2025

In January, the average temperature in Clairefontaine-en-Yvelines, France hovers around 4°C (40°F), making it a chillier time of year. Expect temperatures to dip as low as -8°C (17°F), with highs reaching up to 14°C (58°F). During this period, precipitation averages at 53 mm (2.1 in) over 10 days, contributing to an overall humidity level of approximately 91%. Be prepared for a cool and damp climate!

January Temperature in Clairefontaine-en-Yvelines

In January in Clairefontaine-en-Yvelines, the average temperature is 4°C (40°F). Maximum temperatures can reach 14°C (58°F), while the minimum can drop as low as -8°C (17°F). Be sure to pack warm clothing and prepare for chilly weather if you plan to visit during this time.

January Weather in Clairefontaine-en-Yvelines: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Clairefontaine-en-Yvelines, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Clairefontaine-en-Yvelines, 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 (17°F).

Data source: Temperature data for Clairefontaine-en-Yvelines generated using information from the Copernicus Climate Change Service.

January Precipitation in Clairefontaine-en-Yvelines

In Clairefontaine-en-Yvelines in January, the precipitation amount is 53 mm (2.1 in) spread over a duration of 10 days.

January Precipitation Trends in Clairefontaine-en-Yvelines

The chart displays monthly precipitation patterns in Clairefontaine-en-Yvelines, 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 Clairefontaine-en-Yvelines, January typically receives around 53 mm (2.1 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 Clairefontaine-en-Yvelines

In Clairefontaine-en-Yvelines 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 Clairefontaine-en-Yvelines

This chart illustrates the average monthly humidity levels in Clairefontaine-en-Yvelines, 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 Clairefontaine-en-Yvelines 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 Clairefontaine-en-Yvelines

In Clairefontaine-en-Yvelines 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 Clairefontaine-en-Yvelines, you can visit Hourly UV Index in Clairefontaine-en-Yvelines.

Maximum UV Index Levels in Clairefontaine-en-Yvelines for January

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

Data source: Clairefontaine-en-Yvelines 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 Clairefontaine-en-Yvelines Compares to Other Months

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

This table compares monthly weather conditions in Clairefontaine-en-Yvelines, 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)	53 mm (2.1 inches)	91%	low
February Weather	6°C (43°F)	62 mm (2.4 inches)	89%	moderate
March Weather	8°C (47°F)	70 mm (2.8 inches)	85%	moderate
April Weather	11°C (52°F)	31 mm (1.2 inches)	84%	high
May Weather	14°C (58°F)	73 mm (2.9 inches)	82%	very high
June Weather	18°C (66°F)	74 mm (2.9 inches)	80%	very high
July Weather	20°C (69°F)	43 mm (1.7 inches)	73%	very high
August Weather	20°C (68°F)	57 mm (2.3 inches)	68%	very high
September Weather	17°C (62°F)	46 mm (1.8 inches)	76%	high
October Weather	13°C (55°F)	73 mm (2.9 inches)	88%	moderate
November Weather	8°C (46°F)	65 mm (2.5 inches)	92%	low
December Weather	6°C (43°F)	94 mm (3.7 inches)	93%	low