April Weather in Osny, France

Last updated: August 23, 2025

In Osny, France, the average temperature in April hovers around 11°C (52°F), but be prepared for some variability: temperatures can dip as low as -3°C (27°F) or soar to a pleasant 27°C (80°F). Expect a light precipitation of 36 mm (1.4 in) spread over about 7 days, and don't forget your umbrella, as the average humidity sits at a somewhat high 84%.

April Temperature in Osny

In April in Osny, the average temperature is 11°C (52°F), with maximums reaching up to 27°C (80°F) and minimums dropping as low as -3°C (27°F). This wide range makes it essential to pack layers for your travels to Osny during this time.

April Weather in Osny: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Osny, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Osny, April typically has an average temperature of 11°C (52°F), with highs reaching up to 27°C (80°F) and lows dropping to around -3°C (27°F).

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

April Precipitation in Osny

In Osny in April, the total precipitation amount is 36 mm (1.4 in) over a span of 7 days.

April Precipitation Trends in Osny

The chart displays monthly precipitation patterns in Osny, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Osny, April typically receives around 36 mm (1.4 inches) of precipitation spread over approximately 7 days.

Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

April Humidity in Osny

In Osny in April, humidity is 84%. With an average temperature of 11°C (52°F), this humidity feels like a heavy blanket, making it uncomfortable for traveling as the dampness clings to your skin and can leave you feeling sluggish and fatigued.

April Average Humidity in Osny

This chart illustrates the average monthly humidity levels in Osny, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Osny is approximately 84%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Osny

In Osny in April, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Osny, you can refer to this Hourly UV Index in Osny.

Maximum UV Index Levels in Osny for April

The chart shows the monthly maximum UV Index (UVI) for Osny in April, 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 April, the maximum UV index in Osny typically reaches 6, which falls under the high exposure category.

Data source: Osny April 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 April Weather in Osny Compares to Other Months

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

This table compares monthly weather conditions in Osny, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (40°F)	54 mm (2.1 inches)	91%	low
February Weather	6°C (43°F)	67 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)	36 mm (1.4 inches)	84%	high
May Weather	14°C (57°F)	73 mm (2.9 inches)	82%	very high
June Weather	18°C (65°F)	79 mm (3.1 inches)	80%	very high
July Weather	20°C (68°F)	47 mm (1.8 inches)	73%	very high
August Weather	19°C (67°F)	58 mm (2.3 inches)	68%	very high
September Weather	16°C (62°F)	41 mm (1.6 inches)	76%	high
October Weather	13°C (55°F)	77 mm (3.0 inches)	88%	moderate
November Weather	8°C (46°F)	65 mm (2.6 inches)	92%	low
December Weather	6°C (43°F)	101 mm (4.0 inches)	93%	low