La Jolla Sunshine Hours by Month

Sunshine is key to understanding how a place experiences its seasons. This page shows the total number of hours of direct sunlight per month and the average hours per day in La Jolla, United States of America. Long-term data from 1990 to 2020 was used to calculate these averages.

Monthly hours of sunshine

While the amount of sunshine in La Jolla changes moderately throughout the year, the annual total remains impressive at around 3069 hours. Expect slightly brighter days in July and a subtle dip in November.

Daily hours of sunshine

This means you can enjoy sunny spells year-round. July sees up to 10.1 hours of daily sunshine, perfect for a sunny trip. February, the least sunny month, still offers a generous 7.7 hours of sun despite this cloudier / rainier time of the year.

Average percent of sunshine

On average the sun shines 75% of the time during the day in January, the highest percentage of any month. June has the lowest percentage at 57%.

La Jolla enjoys an average of 3069 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

Athens, Greece, enjoys 2769 hours of sunshine each year, making it one of the sunniest destinations in the Mediterranean region.

In contrast, Reykjavík, Iceland, receives only about 1330 hours of sunshine per year, known for its frequently overcast and rainy skies.

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.

December, La Jolla’s wettest month, receives 4.8 mm (0.2 in) of rainfall and has a maximum daytime temperature of 18°C (64°F). During the driest month June you can expect a temperature of 22°C (72°F).

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