January Weather in Rosnay, France

Last updated: August 23, 2025

In January, the average temperature in Rosnay, France hovers around 5°C (41°F). This month can bring a chill, with minimum temperatures dipping to -7°C (20°F), while maximums can reach a balmy 16°C (61°F). Expect some rain, with an average precipitation of 62 mm (2.4 in) over 11 days. Additionally, you might feel the moisture in the air, as the average humidity sits at a humid 90%.

January Temperature in Rosnay

In January in Rosnay, the average temperature is 5°C (41°F). Maximum temperatures can reach 16°C (61°F), while the minimum can dip as low as -7°C (20°F). Pack accordingly for your travels, as you may experience both chilly and moderately warm weather during this time.

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

The chart illustrates January temperature patterns in Rosnay, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rosnay, January typically has an average temperature of 5°C (41°F), with highs reaching up to 16°C (61°F) and lows dropping to around -7°C (20°F).

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

January Precipitation in Rosnay

In Rosnay in January, the precipitation amount is 62 mm (2.4 in) spread over 11 days.

January Precipitation Trends in Rosnay

The chart displays monthly precipitation patterns in Rosnay, 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 Rosnay, January typically receives around 62 mm (2.4 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 Rosnay

In Rosnay in January, humidity is 90%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that clings to your skin, making travel feel more strenuous as you navigate the cold air mixed with moisture, potentially leaving you feeling sluggish and uncomfortable.

January Average Humidity in Rosnay

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

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

Maximum UV Index Levels in Rosnay for January

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

Data source: Rosnay 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 Rosnay Compares to Other Months

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

This table compares monthly weather conditions in Rosnay, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (41°F)	62 mm (2.4 inches)	90%	low
February Weather	7°C (45°F)	65 mm (2.5 inches)	88%	moderate
March Weather	9°C (49°F)	71 mm (2.8 inches)	85%	moderate
April Weather	12°C (54°F)	47 mm (1.9 inches)	83%	high
May Weather	15°C (60°F)	79 mm (3.1 inches)	83%	very high
June Weather	20°C (68°F)	71 mm (2.8 inches)	79%	very high
July Weather	22°C (71°F)	38 mm (1.5 inches)	71%	very high
August Weather	21°C (70°F)	31 mm (1.2 inches)	68%	very high
September Weather	18°C (65°F)	43 mm (1.7 inches)	76%	high
October Weather	13°C (57°F)	73 mm (2.9 inches)	87%	moderate
November Weather	8°C (47°F)	69 mm (2.7 inches)	91%	low
December Weather	7°C (44°F)	103 mm (4.1 inches)	93%	low