May Weather in Osny, France

Last updated: August 23, 2025

In Osny, France, the average temperature in May is a cool 14°C (57°F). Expect fluctuations with minimums dropping to 1°C (33°F) and maximums reaching up to 29°C (84°F). This month typically sees 73 mm (2.9 in) of precipitation spread over 13 days, contributing to a high average humidity of 82%.

May Temperature in Osny

In May in Osny, the average temperature is 14°C (57°F). Maximums can reach up to 29°C (84°F), while minimums can drop as low as 1°C (33°F). Be prepared for a wide range of temperatures during your travels, so pack accordingly!

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

The chart illustrates May 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, May typically has an average temperature of 14°C (57°F), with highs reaching up to 29°C (84°F) and lows dropping to around 1°C (33°F).

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

May Precipitation in Osny

In Osny in May, the precipitation amount is 73 mm (2.9 in) over the course of 13 days.

May Precipitation Trends in Osny

The chart displays monthly precipitation patterns in Osny, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Osny, May typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 13 days.

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

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Millimeters (mm) Inches (in)

May Humidity in Osny

In Osny in May, humidity is 82%. With an average temperature of 14°C (57°F), this humidity feels like a thick blanket enveloping you, making outdoor activities uncomfortable and travel more challenging due to the heavy, damp air.

May Average Humidity in Osny

This chart illustrates the average monthly humidity levels in Osny, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Osny is approximately 82%, offering insight into how humid the weather typically is during this month.

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

May UV Index in Osny

In Osny in May, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Osny.

Maximum UV Index Levels in Osny for May

The chart shows the monthly maximum UV Index (UVI) for Osny in May, 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 May, the maximum UV index in Osny typically reaches 8, which falls under the very high exposure category.

Data source: Osny May 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 May 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 May’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 May’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