Les Ulis Sunshine Hours by Month

Sunshine is key to understanding how a place experiences its seasons. This page shows the total number of hours of direct sunlight per month and the average hours per day in Les Ulis, Ile de France, France. The figures are based on a 30-year period (1990–2020) to provide a reliable average.

Monthly hours of sunshine

Those who love seasonal contrasts will appreciate Les Ulis. Expect long, bright days with 224 hours in July and darker periods with just 58 hours in December. The total annual amount of sun is 1725 hours.

Daily hours of sunshine

This means the city can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 7.5 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 1.9 hours of sunlight per day.

Average percent of sunshine

On average the sun shines 49% of the time during the day in August, the highest percentage of any month. January has the lowest percentage at 22%.

Les Ulis vs Major Cities: Sunshine Compared

Les Ulis enjoys an average of 1725 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

Seville, Spain, enjoys an impressive 2920 hours of sunshine per year, making it an ideal destination even in winter.

In contrast, Juneau, Alaska, receives only about 1523 hours of sunshine per year and is known for its very short days in winter and frequently overcast conditions.

The climate in San Francisco, USA, includes 3072 hours of sunshine annually, thanks to its mild coastal weather.

Perth, Australia, enjoys 3180 hours of sunshine annually, the highest among major Australian cities.

Related Climate Data for Les Ulis

December, Les Ulis’s wettest month, receives 60 mm (2.4 in) of rainfall and has a maximum daytime temperature of 9°C (48°F). During the driest month September you can expect a temperature of 22°C (72°F).

For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our Les Ulis Precipitation page.