Average Monthly Sunshine in Vallejo (CA)

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

Monthly hours of sunshine

Seasonal sunshine in Vallejo varies. It peaks at 324 hours in May and drops to 160 hours in December. The total annual amount of sun is 3072 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.

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

Vallejo enjoys an average of 3072 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.

The climate in San Francisco, USA, includes 3072 hours of sunshine annually, thanks to its mild coastal weather.

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.

Other climate information

December, Vallejo’s wettest month, receives 3.3 mm of rainfall and has a maximum daytime temperature of 14°C. During the driest month August you can expect a temperature of 27°C.

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