January Weather in Ecouen, France

Last updated: August 23, 2025

In Ecouen, France, the average temperature in January hovers around 4°C (40°F). You'll need to prepare for chilly conditions, as temperatures can dip as low as -7°C (19°F) and reach a maximum of 14°C (58°F). Expect 58 mm (2.3 in) of precipitation spread over approximately 10 days, with an average humidity level of a high 91%, making for a crisp and damp atmosphere.

January Temperature in Ecouen

In January in Ecouen, the average temperature is 4°C (40°F). The maximum can reach 14°C (58°F), and the minimum can be as low as -7°C (19°F). Travelers should prepare for chilly conditions and pack accordingly for both mild days and cold nights.

January Weather in Ecouen: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Ecouen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ecouen, 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 -7°C (19°F).

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

January Precipitation in Ecouen

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

January Precipitation Trends in Ecouen

The chart displays monthly precipitation patterns in Ecouen, 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 Ecouen, 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.

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Millimeters (mm) Inches (in)

January Humidity in Ecouen

In Ecouen 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 Ecouen

This chart illustrates the average monthly humidity levels in Ecouen, 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 Ecouen 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 Ecouen

In Ecouen 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 Ecouen, you can visit Hourly UV Index in Ecouen.

Maximum UV Index Levels in Ecouen for January

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

Data source: Ecouen 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 Ecouen Compares to Other Months

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

This table compares monthly weather conditions in Ecouen, 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)	58 mm (2.3 inches)	91%	low
February Weather	6°C (43°F)	72 mm (2.8 inches)	89%	moderate
March Weather	8°C (47°F)	74 mm (2.9 inches)	85%	moderate
April Weather	11°C (52°F)	32 mm (1.3 inches)	84%	high
May Weather	14°C (58°F)	67 mm (2.7 inches)	82%	very high
June Weather	19°C (66°F)	67 mm (2.6 inches)	80%	very high
July Weather	20°C (69°F)	51 mm (2.0 inches)	73%	very high
August Weather	20°C (68°F)	60 mm (2.4 inches)	68%	very high
September Weather	17°C (62°F)	39 mm (1.5 inches)	76%	high
October Weather	13°C (55°F)	79 mm (3.1 inches)	88%	moderate
November Weather	8°C (46°F)	67 mm (2.6 inches)	92%	low
December Weather	6°C (43°F)	105 mm (4.1 inches)	93%	low