Average Monthly Sunshine in San Ysidro (CA)

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

Monthly hours of sunshine

San Ysidro experiences sunny spells throughout the year. The sunniest month, July, sees up to 312 hours of sunshine, while January, the least sunny month, still provides a respectable 219 hours. The total annual sunshine amounts to 3020 hours.

Daily hours of sunshine

Enjoy up to 10.4 hours of daily sun in July, and experience slightly darker atmosphere in January, with about 7.3 hours of daily sunlight.

San Ysidro’s total hours of sunshine compared to other major cities

San Ysidro enjoys an average of 3020 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

In Barcelona, Spain, there are 2530 hours of sunshine annually and is a city that can be visited year-round.

In contrast, Brussels, UK, receives only about 1590 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.

Other climate information

December, San Ysidro’s wettest month, receives 4.1 mm of rainfall and has a maximum daytime temperature of 19°C. During the driest month June you can expect a temperature of 23°C.

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