Siena Sunshine Hours by Month

When exploring climate, sunlight hours tell an important story. This page shows the total number of hours of direct sunlight per month and the average hours per day in Siena, Tuscany, Italy. These values are calculated using 30 years of data (1990–2020) to ensure accuracy.

Monthly hours of sunshine

Sunshine in Siena varies greatly throughout the year. The sunniest month, July, reaches an impressive 350 hours, while November, the darkest month, offers only 100 hours. The total annual amount of sun is 2476 hours.

Daily hours of sunshine

For those who appreciate different seasons, Siena serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 11.7 hours of sunshine daily, and embrace the darker days in November, offering only 3.3 hours of daily sunlight.

Siena enjoys an average of 2476 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, Brussels, Belgium, receives only about 1590 hours of sunshine per year, known for its frequently overcast and rainy skies.

Osaka, Japan, experiences 2010 hours of sunshine annually, with bright, sunny weather in spring and autumn.

Melbourne, Australia, has 2380 hours of sunshine annually, with its famous “four seasons in a day” weather pattern.

November, Siena’s wettest month, receives 41 mm (1.6 in) of rainfall and has a maximum daytime temperature of 15°C (59°F). During the driest month July you can expect a temperature of 30°C (86°F).

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