Average Monthly Sunshine in Walnut Creek (CA)

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

Monthly hours of sunshine

Seasonal sunshine in Walnut Creek 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.

Walnut Creek’s total hours of sunshine compared to other major cities

Walnut Creek enjoys an average of 3072 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.

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

Meanwhile, Buenos Aires, Argentina, enjoys a humid subtropical climate with 2520 hours of sunshine annually.

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

Other climate information

December, Walnut Creek’s wettest month, receives 0.2 mm of rainfall and has a maximum daytime temperature of 14°C. During the driest month August you can expect a temperature of 29°C.

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