Weather in San Ysidro

San Ysidro is a neighborhood in San Diego, California, located in the US. It is a primarily residential area with a rich cultural history and a diverse population. The climate in San Ysidro is mostly sunny and mild year-round. It experiences warm, dry summers, with average high temperatures in the low to mid 80s, and cool, wet winters with temperatures in the mid-50s. On average, San Ysidro receives over 250 days of sunshine each year and less than 12 inches of rain annually.