Average Monthly Sunshine in San Antonio

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

Monthly hours of sunshine

Seasonal sunshine in San Antonio varies. It peaks at 257 hours in August and drops to 122 hours in March. The total annual amount of sun is 2235 hours.

Daily hours of sunshine

For those who appreciate different seasons, San Antonio serves as an ideal destination. Expect longer, more sun-filled days in August with an average of 8.6 hours of sunshine daily, and embrace the darker days in March, offering only 4.1 hours of daily sunlight.

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

San Antonio enjoys an average of 2235 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

Seville, Spain, enjoys an impressive 2920 hours of sunshine per year, making it an ideal destination even in winter.

In contrast, Tromsø , Norway, receives only about 1270 hours of sunshine per year, known for the polar night with no sunlight for weeks during winter.

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

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

Other climate information

April, San Antonio’s wettest month, receives 140 mm of rainfall and has a maximum daytime temperature of 19°C. During the driest month August you can expect a temperature of 20°C.

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