Weather

San Diego Weather in July

San Diego weather in July offers sunny days, mild evenings, and a perfect backdrop for summer festivities. With average highs of 71°F, lows of 62°F, and just 0.07 inches of rainfall, July is an ideal time to enjoy the city’s beaches, cultural events, and vibrant nightlife.

by Mac Douglass

Updated March 01, 2025

What Is the Weather Like in San Diego in July?

July in San Diego features comfortably warm days and cool evenings, with average highs of 71°F (22°C) and lows of 62°F (17°C). Rainfall is minimal, with just 0.07 inches recorded across one day, making July one of the driest months of the year. While the infamous “June Gloom” clouds linger into early July, sunny skies typically dominate by mid-morning.

The Pacific Ocean’s warming waters make July a fantastic month for beach activities, surfing, and coastal exploration.

Average July Weather in San Diego

San Diego's July weather features mild highs around 71°F and cooler lows near 62°F, with minimal rainfall, making it perfect for outdoor activities and seasonal events. Data from WeatherSpark.s

Daytime Temperatures: Highs average 71°F and remain steady throughout the month.
Nighttime Temperatures: Lows hover around 62°F, providing comfortable evenings for outdoor events.
Rainfall: July experiences minimal rainfall, averaging just 0.07 inches over a single day.
Ocean Temperatures: The Pacific waters are at their warmest, attracting swimmers and surfers alike.

July San Diego Weather Compared to Other Months

Month	Average High (°F)	Average Low (°F)	Days with Precipitation	Hours of Sunshine	Average Precipitation (in)
January	65	48	6	217	1.53
February	76	65	1	255	0.15
March	73	61	3	234	0.57
April	69	54	4	236	1.01
May	76	67	0	277	0.02
June	75	65	0	293	0.03
July	71	62	1	253	0.07
August	69	59	2	261	0.12
September	67	56	5	242	0.78
October	66	53	7	262	1.81
November	65	51	7	212	2.27
December	65	49	7	216	1.98

San Diego’s weather in July averages highs of 71°F and lows of 62°F, making it cooler than inland areas of Southern California, where temperatures often soar into the 90s°F.

Compared to August, which averages highs of 69°F and lows of 59°F, July offers slightly warmer days and less humidity, making it one of the most enjoyable months for visitors and locals alike.

Things to Do in San Diego in July

San Diego’s July weather pairs perfectly with an exciting lineup of summer events and activities.

Fourth of July Celebrations (July 4): Enjoy spectacular fireworks displays, beach barbecues, and parades across the city.
San Diego Pride (July 13-21): Celebrate LGBTQ+ pride with parades, festivals, and concerts, including the region’s largest civic event.
Comic-Con International (July 25-28): Immerse yourself in pop culture at the world’s largest comic book and entertainment convention.
Del Mar Racing Season (July 20 - September 8): Experience the thrill of horse racing at the iconic Del Mar Racetrack.
San Diego Bayfest Festival (July 20): Enjoy live music, local food vendors, and craft beer along the picturesque waterfront.

Why Visit San Diego in July?

San Diego’s July weather offers a mild coastal summer experience that’s hard to beat. Highlights include:

Warm days perfect for beach outings and water sports.
World-class events like Comic-Con and San Diego Pride.
Minimal rainfall for uninterrupted outdoor adventures.

Plan Your Trip Around the July Weather in San Diego, California

July in San Diego combines warm days, cool evenings, and vibrant summer events, making it an exceptional time to visit. Whether you’re relaxing at the beach, enjoying the city’s rich cultural offerings, or attending one of its iconic festivals, San Diego in July promises unforgettable memories.