Grover Beach (CA) Sunshine Hours by Month

To truly understand a climate, we must look at its sunshine. This page shows the total number of hours of direct sunlight per month and the average hours per day in Grover Beach, California, United States of America. The numbers reflect climate data gathered over a 30-year period, from 1990 to 2020.

Monthly hours of sunshine

Seasonal sunshine in Grover Beach varies. It peaks at 352 hours in July and drops to 208 hours in January. The total annual amount of sun is 3187 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 11.7 hours of sunshine daily. In contrast, the city experiences much darker days in January, with only 6.9 hours of sunlight per day.

Grover Beach enjoys an average of 3187 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, Reykjavík, Iceland, receives only about 1330 hours of sunshine per year, known for its frequently overcast and rainy skies.

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

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

December, Grover Beach’s wettest month, receives 0.5 mm (0.02 in) of rainfall and has a maximum daytime temperature of 18°C (64°F). During the driest month August you can expect a temperature of 21°C (70°F).

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