Simi Valley (CA) Sunshine Hours by Month
In climate discussions, the hours of sunlight reveal much about a location. This page shows the total number of hours of direct sunlight per month and the average hours per day in Simi Valley, California, United States of America. The figures are based on a 30-year period (1990–2020) to provide a reliable average.
Monthly hours of sunshine
Sunshine in Simi Valley varies greatly throughout the year. The sunniest month, July, reaches an impressive 364 hours, while November, the darkest month, offers only 217 hours. The total annual amount of sun is 3257 hours.
Daily hours of sunshine
In Simi Valley, summer days are longer and more sunny, with daily sunshine hours peaking at 12.1 hours in July. As the darker season arrives, the brightness of the sun becomes less. November sees a soft sun for only 7.2 hours per day.
Average percent of sunshine
On average the sun shines 84% of the time during the day in August, the highest percentage of any month. May has the lowest percentage at 64%.
Simi Valley vs Major Cities: Sunshine Compared
Simi Valley enjoys an average of 3257 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.
In Shanghai, China, the annual average sunshine is 1780 hours, with cloudier weather in summer.
Adelaide, Australia, enjoys 2770 hours of sunshine annually, with long, sunny summers.
Related Climate Data for Simi Valley
January, Simi Valley’s wettest month, receives 0.1 mm (0 in) of rainfall and has a maximum daytime temperature of 19°C (66°F). During the driest month August you can expect a temperature of 31°C (88°F).
For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our Simi Valley Precipitation page.
