Alameda (CA) Sunshine Hours by Month

The amount of sunshine is fundamental to comprehending a place's climate. This page shows the total number of hours of direct sunlight per month and the average hours per day in Alameda, California, United States of America. These averages rely on historical data collected over 30 years, from 1990 to 2020.

Monthly hours of sunshine

Those who love seasonal contrasts will appreciate Alameda. Expect long, bright days with 324 hours in May and darker periods with just 160 hours in December. The total annual amount of sun is 3058 hours.

Daily hours of sunshine

This means the city can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 10.8 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 5.3 hours of sunlight per day.

Average percent of sunshine

On average the sun shines 78% of the time during the day in April, the highest percentage of any month. December has the lowest percentage at 54%.

Alameda vs Major Cities: Sunshine Compared

Alameda enjoys an average of 3058 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.

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.

Boston, USA, enjoys 2629 hours of sunshine annually, with distinct seasons and many bright, sunny days.

Perth, Australia, enjoys 3180 hours of sunshine annually, the highest among major Australian cities.

Related Climate Data for Alameda

December, Alameda’s wettest month, receives 3.4 mm (0.1 in) of rainfall and has a maximum daytime temperature of 15°C (59°F). During the driest month August you can expect a temperature of 22°C (72°F).

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