Rennes Sunshine Hours by Month

To truly understand a climate, we must look at its sunshine. This page shows the total number of hours of direct sunlight per month and the average hours per day in Rennes, Brittany, France. Long-term data from 1990 to 2020 was used to calculate these averages.

Monthly hours of sunshine

Those who love seasonal contrasts will appreciate Rennes. Expect long, bright days with 217 hours in June and darker periods with just 68 hours in December. The total annual amount of sun is 1724 hours.

Daily hours of sunshine

Seasonal changes in sunshine hours are quite obvious in Rennes. While June receives considerable daily sunshine with up to 7.2 hours, December marks the darkest time of the year, where sunshine is scarce with only 2.3 hours of sunlight per day.

Rennes enjoys an average of 1724 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.

Manchester, UK, experiences just around 1420 hours of sunshine annually.

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.

December, Rennes’s wettest month, receives 53 mm (2.1 in) of rainfall and has a maximum daytime temperature of 10°C (50°F). During the driest month July you can expect a temperature of 25°C (77°F).

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