May is known for its “May Gray” marine layer, with overcast mornings that clear by afternoon. The weather is mild, and before Memorial Day, tourist spots are relatively quiet. It’s a great month for zoo visits and hiking.
Pro tips for visiting San Diego in May
Expect cloudy mornings; plan outdoor activities for afternoons when skies clear.
Memorial Day weekend marks the start of summer crowds and higher prices.
Early May is ideal for hiking and zoo visits—temperatures are comfortable and crowds are light.
Farmers markets feature peak strawberries and local produce.
What to eat in San Diego in May: Seasonal delicacies
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Fish tacos
Fish tacos are corn tortillas filled with battered or grilled fish, cabbage, crema, and salsa, a staple shaped by nearby Baja. They suit most diets that include seafood and can be customized for spice. For a classic version, try Oscar’s Mexican Seafood near Pacific Beach, a small counter spot popular with surfers and locals for quick, affordable plates.
The California burrito is a flour tortilla stuffed with carne asada, french fries, cheese, and often guacamole and salsa. It originated in San Diego’s surf culture and is a hearty, non vegetarian option best for those who eat beef and gluten. Lolita’s Mexican Food on Clairemont Mesa Boulevard is a local favorite, serving large, shareable versions late into the evening.
Locally harvested uni (sea urchin) is a delicacy from cold Pacific waters, eaten raw with lemon or used in simple preparations. It is rich and briny, so best for adventurous seafood eaters. On Saturday mornings, Tuna Harbor Dockside Market near Seaport Village lets divers crack fresh urchins to order, giving you a short sea to table experience on the pier.
Fiesta Old Town Cinco de Mayo fills Old Town State Historic Park with folklorico dancers, lowrider car displays, mariachis, and Mexican food stands. Across May 2-3, streets close to traffic and visitors move between stages and cantinas. Admission is free, but it gets extremely busy, so arrive by midday and consider transit instead of driving.
Gator By The Bay turns Spanish Landing Park into a Louisiana themed music and food festival over four days in May. Expect zydeco, blues, swing, dance lessons, and large quantities of Cajun cooking, including boiled crawfish. Tickets are required, with separate day and full festival options, and evenings are particularly lively near the main stages.
The North Park Festival of Arts is a street fair showcasing local artists, live music, food trucks, and a craft beer block along University Avenue. Expected May 18-19, it is free to enter, with paid beer garden access for 21 plus guests. It is ideal for travellers who want to see San Diego’s creative side beyond the waterfront.
Legacy Week is a series of Memorial Day weekend events aboard the USS Midway Museum and along the nearby waterfront, running May 23-25. Expect remembrance ceremonies, military displays, and family activities on the flight deck. Standard museum admission covers many elements, while the main Memorial Day ceremony is usually free to the public.
San Diego in May at a glance
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Weather
Maximum temperature: 20°C
Minimum temperature: 15°C
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Daylight
Around 14 hours of daylight
Sunrise: 5:50am
Sunset: 7:50pm
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Key events
Fiesta Old Town Cinco de Mayo, Gator By The Bay, North Park Festival of Arts, Legacy Week on USS Midway
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Crowds
Balanced crowds, with manageable queues and a mix of tourists and local visitors in the city.
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What to pack
Light sweater, sun hat, sunglasses, walking shoes, layers for changing weather.
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Seasonal treats
Strawberries at Carlsbad Strawberry Co., elote at street fairs, Cajun crawfish at Gator By The Bay
Plan ahead: must-visit experiences for San Diego in May
