Geyserville (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 Geyserville, California, United States of America. This average is based on long-term data collected between 1990 and 2020.

Monthly hours of sunshine

Seasonal sunshine in Geyserville varies. It peaks at 310 hours in May and drops to 160 hours in December. The total annual amount of sun is 3042 hours.

Daily hours of sunshine

Seasonal changes in sunshine hours are quite obvious in Geyserville. While May receives considerable daily sunshine with up to 10.3 hours, December marks the darkest time of the year, where sunshine is scarce with only 5.3 hours of sunlight per day.

Average percent of sunshine

On average the sun shines 79% of the time during the day in April, the highest percentage of any month. December has the lowest percentage at 55%.

Geyserville vs Major Cities: Sunshine Compared

Geyserville enjoys an average of 3042 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, Juneau, Alaska, receives only about 1523 hours of sunshine per year and is known for its very short days in winter and frequently overcast conditions.

Toronto, Canada, sees around 2071 hours of sunshine each year, with especially long, bright summer days.

In Brisbane, Australia, the annual sunshine averages 2999 hours, making it one of Australia’s sunniest cities.

Related Climate Data for Geyserville

December, Geyserville’s wettest month, receives 0.4 mm (0.02 in) of rainfall and has a maximum daytime temperature of 14°C (57°F). During the driest month August you can expect a temperature of 30°C (86°F).

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