Near the end of summer, temperatures in the Bay begin to warm up. Expect an average low of 55°F and average high of 68°F. August in San Francisco is also known as the best month to swim in the sea, with the highest sea temperature out of the entire year.
August Event Calendar
Festival of the Sea
The Festival of the Sea is an excellent choice for people looking forward to attending a free-of-cost event at the end of the month. Festival of the sea includes live performances, music, and kids’ crafts.
The 420 Games Cannabis Event
Contrary to what the name suggests, the 420 Games do not include any cannibal activities but instead, promotes the beneficial and healthful use of cannabis. In addition, the event has a 4.2-mile run, live music, speaker, comedy performances, and a beer garden.
Polk Street Blues Festival

While featuring arts, crafts, beverages, food vendors, and live performances, the Polk Street Blues Festival will also include two stages for the blues. There is an adequate seating arrangement at Polk Street Festival, and it is available to all ages. Free event.
Philippines Weekend

The Pistahan Parade and Festival starts with a mesmerizing yet colorful parade at 11 a.m. at the Civic Centre. The Parade ends at the Yerba Buena Garden. In addition, the parade often features Filipino art, music, dance, food, and beverages. It’s free and available to all ages.
Polynesian Festival

Join in the Famous 7th annual Polynesian Aloha Festival for fun, live performances, craft booths, food vendors, cultural dances, and traditional yet cultural demonstrations. There is also a children’s area, and it’s free and available to all ages.
Things to Do in San Francisco in August

Enjoy free performances at the Stern Grove Festival
Stern Grove Festival is the best opportunity for music lovers to enjoy several concert performances for free every Sunday. This will be the 82nd season of the Stern Grove Festival. The event will start from June 16 until August 18, 2019.

Explore the Fisherman’s Wharf
Visit San Francisco’s most popular tourist destination, situated along the picturesque Northern waterfront of the peninsula—the Fisherman’s Wharf. Hang out with friendly sea lions, visit the Ripley’s Believe it Or Not Museum, and chow down on delicious clam chowder in a bread bowl at the famous Boudin’s bakery. While at the Wharf, make sure to stop by Pier 39, where the Pier’s carousel and a multitude of touristy shops are located. Fisherman’s Wharf has something for everyone, making it an all-day adventure!

Spend your summer Sundays at a food truck picnic with a view
This picnic is hosted every Summer Sunday from 11 a.m. to 4 p.m. at the Presidio’s Main Parade Ground. The ground itself has impressive views of the park, the city, and the entire San Francisco Bay. With over 25 food trucks, a full-service bar, fun lawn games, and even yoga, the Presidio Picnic has something for everyone. Just make sure to bring a blanket to camp out on!

Have a fun-filled day at the Biergarten
Check out this German-inspired Biergarten where you can snack on pretzels and sausages while sipping on either a liter or half liter stein. The Biergarten is an outdoor setting, equipped with plenty of picnic tables to intermix and chat with locals and tourists. Perfect for a sunny day in the bay!