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July · Updated weekly
Peak everything. Peak weather, peak crowds, peak hotel rates. Book 90+ days out.
Last updated · July 2027 events are still being announced
Weather
Highs 76°F, lows 65°F. Ocean 68°F. Sunny after morning marine layer.
Why July
Big Bay Boom fireworks, US Open Sandcastle, Del Mar racing opens, Comic-Con weekend.
Signature events
Auto-updated from our events database — concerts, festivals, sports, family, culture, and nightlife.
Events for July 2027 are still being announced. This guide updates automatically as confirmed dates are added — most July concerts, festivals and sports schedules land three to four months out.
July in San Diego reliably brings Big Bay Boom, Del Mar opening day, San Diego Comic-Con — annual fixtures we list as soon as organizers confirm the dates.
In the meantime, browse the live events calendar or read the July visitor guide for weather, crowds and planning.
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Written and fact-checked by the Sandi Spots Editorial team — San Diego residents publishing under Sleep Coast LLC. Every place we recommend has been visited in person or verified against an official source, and no business can pay for inclusion or a higher ranking. Last updated .