Average Monthly Sunshine in Garden Grove (CA)

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

Monthly hours of sunshine

Seasonal sunshine in Garden Grove varies. It peaks at 369 hours in July and drops to 198 hours in January. The total annual amount of sun is 3277 hours.

Daily hours of sunshine

This means the city can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 12.3 hours of sunshine daily. In contrast, the city experiences much darker days in January, with only 6.6 hours of sunlight per day.

Garden Grove’s total hours of sunshine compared to other major cities

Garden Grove enjoys an average of 3277 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.

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

In Seoul, South Korea, there are approximately 2133 hours of sunshine per year, mostly during spring and autumn.

Adelaide, Australia, enjoys 2770 hours of sunshine annually, with long, sunny summers.

Other climate information

December, Garden Grove’s wettest month, receives 4.4 mm of rainfall and has a maximum daytime temperature of 20°C. During the driest month August 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 Garden Grove Precipitation page.