Castel Gandolfo 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 Castel Gandolfo, Lazio, Italy. The numbers reflect climate data gathered over a 30-year period, from 1990 to 2020.

Monthly hours of sunshine

Sunshine in Castel Gandolfo varies greatly throughout the year. The sunniest month, July, reaches an impressive 332 hours, while December, the darkest month, offers only 112 hours. The total annual amount of sun is 2473 hours.

Daily hours of sunshine

In Castel Gandolfo, summer days are longer and more sunny, with daily sunshine hours peaking at 11.1 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 3.7 hours per day.

Castel Gandolfo vs Major Cities: Sunshine Compared

Castel Gandolfo enjoys an average of 2473 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.

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

Beijing, China, has 2505 hours of sunshine annually, with clear, sunny days in winter.

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

Related Climate Data for Castel Gandolfo

November, Castel Gandolfo’s wettest month, receives 29 mm (1.1 in) of rainfall and has a maximum daytime temperature of 17°C (63°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 Castel Gandolfo Precipitation page.