Average Monthly Sunshine in Siena

The graphs on this page shows the average number of hours per month and per day that Siena receives direct sunlight. The numbers are calculated over a 30-year period to provide a reliable average.

Monthly hours of sunshine

Those who love seasonal contrasts will appreciate Siena. Expect long, bright days with 350 hours in July and darker periods with just 100 hours in November. The total annual amount of sun is 2476 hours.

Daily hours of sunshine

Summer days are longer and more sunny, with daily sunshine hours peaking at 11.7 hours in July. As the darker season arrives, the brightness of the sun becomes less. November sees a soft sun for only 3.3 hours.

Siena’s total hours of sunshine compared to other major cities

Siena enjoys an average of 2476 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

Athens, Greece, enjoys 2769 hours of sunshine each year, making it one of the sunniest destinations in the Mediterranean region.

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.

In Brisbane, Australia, the annual sunshine averages 2999 hours, making it one of Australia’s sunniest cities.

Other climate information

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

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