Chartres Sunshine Hours by Month

Sunshine plays a big role in understanding the climate of a city. This page shows the total number of hours of direct sunlight per month and the average hours per day in Chartres, Centre, France. Long-term data from 1990 to 2020 was used to calculate these averages.

Monthly hours of sunshine

Seasonal sunshine in Chartres varies. It peaks at 240 hours in July and drops to 50 hours in December. The total annual amount of sun is 1794 hours.

Daily hours of sunshine

Seasonal changes in sunshine hours are quite obvious in Chartres. While July receives considerable daily sunshine with up to 8.0 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.7 hours of sunlight per day.

Average percent of sunshine

On average the sun shines 50% of the time during the day in July, the highest percentage of any month. December has the lowest percentage at 19%.

Chartres enjoys an average of 1794 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

The city of Rome, Italy, experiences 2470 hours of sunshine annually, adding to its charm as a year-round tourist destination.

In contrast, Reykjavík, Iceland, receives only about 1330 hours of sunshine per year, known for its frequently overcast and rainy skies.

Toronto, Canada, sees around 2071 hours of sunshine each year, with especially long, bright summer days.

In Tokyo, Japan, the average annual sunshine is 1930 hours, with sunny periods between rainy seasons.

May, Chartres’s wettest month, receives 56 mm (2.2 in) of rainfall and has a maximum daytime temperature of 19°C (66°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 Chartres Precipitation page.