Average Monthly Sunshine in Castel Gandolfo

The graphs on this page shows the average number of hours per month and per day that Castel Gandolfo 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 Castel Gandolfo. Expect long, bright days with 332 hours in July and darker periods with just 112 hours in December. 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’s total hours of sunshine compared to other major cities

Castel Gandolfo enjoys an average of 2473 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, Tromsø , Norway, receives only about 1270 hours of sunshine per year, known for the polar night with no sunlight for weeks during winter.

In Chicago, USA, the annual sunshine averages 2520 hours, contributing to its humid continental climate.

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

Other climate information

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