Les Ulis Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Les Ulis.
Climate overview of Les Ulis
Les Ulis, Ile de France, France, experiences significant temperature variation throughout the year. Summers bring daytime highs of 26°C (79°F) in August, while winters cool to 8°C (46°F) in February.
The city receives around 737 mm (29 in) of rain/snowfall per year. December is the wettest month and September the driest. The sunniest month is July, with 7.5 hours of sunshine per day on average.
Les Ulis Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Les Ulis — and find the best time to visit.
Monthly Temperature in Les Ulis
Depending on the time of the year, temperatures range from comfortable to chilly in Les Ulis. On average, daytime temperatures range from a comfortable 26°C (79°F) in August to a chilly 8°C (46°F) in February.
Nighttime temperatures range from 14°C (57°F) in August to 2°C (36°F) in February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Les Ulis
Generally, Les Ulis has a moderate amount of precipitation, averaging 737 mm (29 in) of rain/snowfall annually. The wettest period in Les Ulis occurs in December, which receives around 73 mm (2.9 in) of precipitation. During the driest month, September, Les Ulis experiences moderate rainfall, totaling 53 mm (2.1 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate. For more details, please visit our Les Ulis Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Les Ulis
In Les Ulis, summer days are longer and more sunny, with daily sunshine hours peaking at 7.5 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.9 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Les Ulis by Month
The relative humidity is high throughout the year in Les Ulis.
The city experiences its highest humidity in November, reaching 84%. In April, the humidity drops to its lowest level at 69%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Les Ulis
Rainfall during this time ranges from 53 mm (2.1 in) in September to 70 mm (2.8 in) in May. This means you can expect a mix of sunny days and occasional showers. Looking for inspiration on where to travel this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
Frequently asked questions about the climate in Les Ulis
What is the best time to visit Les Ulis?
May, June, July, August and September typically offer the most optimal weather in Les Ulis. In contrast, January, February and December tend to have less optimal conditions.
What temperatures can I expect in Les Ulis?
Daytime highs range from 8°C (46°F) in February to 26°C (79°F) in August. Nighttime lows range from 2°C (36°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does Les Ulis get?
Annual rainfall is around 737 mm (29 in). December is the wettest month with 73 mm (2.9 in), while September is the driest with 53 mm (2.1 in).
How sunny is Les Ulis?
Les Ulis receives around 1,725 hours of sunshine per year. July is the sunniest month with 224 hours, while December is the cloudiest with just 58 hours.
Les Ulis 3-Day Forecast
Les Ulis 3-Day Forecast
Les Ulis on the map
Les Ulis is highlighted — select any city to see its climate.
Popular this month
Where to go in July — average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
The 10 most charming villages in France
Discover France's top 10 beautiful villages. From Normandy to the Côte d'Azur, experience quaint squares and cobbled streets. Which one will you visit this summer?
An alternative way to discover Paris
From street art, vintage shops, vegetarian cafes, to amazing cultural events, Paris has much to offer for the creative traveler. An overview of sights that you must see if you want to visit this city in an alternative way.
Nature is allowed to take its course in the Ardeche
The Ardèche is France at its most beautiful. The authentic villages and breathtaking mountainous landscapes are one of the main reasons. he climate in Ardèche is very pleasant. Temperatures are high during summer and it is often very sunny.
Explore the natural wonders of Corsica
Corsica offers an abundance of incredible natural wonders to explore. This stunning Mediterranean island is a paradise for outdoor enthusiasts and nature lovers alike.