When is the best time to visit San Diego?

The most comfortable stretch is June to September, when average highs run 72 to 78 degrees F with 0 to 1 rainy days a month. August is the hottest month at 78 degrees F on average, and January the coolest at 63 degrees F.

What is the rainiest month in San Diego?

March, with roughly 10 days of rain. The driest is June, with about 0. Both are averages from 2019-2024 records.

How warm does it get in San Diego?

July averages 75 degrees F by day and 64 degrees F at night, and January averages 63 degrees F and 47 degrees F. In the southern hemisphere those two are reversed.

How do I book tours, a hotel or an airport transfer in San Diego?

Everything on this page books through our travel partners: top-rated tours and tickets, hotels, car rental, airport transfers, an eSIM and travel insurance. Voyaggora earns a commission on some bookings at no extra cost to you, and our AI concierge can put a day-by-day plan together first.

San Diego: Best Time to Visit & Things to Do

Updated September 23, 2026. Prices and availability come live from the partners when you click; ratings are re-checked on the date shown in the note at the end of the page.

Top-rated tours in San Diego

San Diego: USS Midway Museum Entry Ticket★ 4.94,238 reviews→ San Diego Zoo Admission Ticket★ 4.61,548 reviews→ San Diego: Hop-on Hop-off Narrated Trolley Tour★ 4.71,531 reviews→ San Diego: Harbor Cruise★ 4.61,460 reviews→

See all things to do in San Diego → More tours on Viator →

Where to stay in San Diego

Hotels and vacation rentals around San Diego with live prices from the big booking sites. Pick your dates on the map to compare.

Hotel map by our partner Stay22. If you book through it we may earn a commission, at no extra cost to you.

Best time to visit San Diego

The most comfortable months in San Diego are June to September, with average daytime highs of 72 to 78°F and 0 to 1 rainy days a month. August is the hottest month, averaging 78°F, and January the coolest at 63°F. March sees the most rain, around 10 days, while June is the driest with about 0.

Jan63°47°7 d

Feb63°47°7 d

Mar63°50°10 d

Apr67°54°4 d

May68°57°3 d

Jun72°61°0 d

Jul75°64°0 d

Aug78°66°1 d

Sep78°65°1 d

Oct75°59°2 d

Nov70°52°4 d

Dec64°48°5 d

Average daily high / low and days with rain, from Open-Meteo ERA5 records for 2019-2024. Highlighted months are the pick above.

Plan the rest of your trip to San Diego

🏨Hotels in San DiegoCompare hotels and apartments through our partner RateHawk. 🚗Car rental in San DiegoCompare car rental prices in San Diego with Discover Cars. 🎟️What’s on in San DiegoSee upcoming concerts, sports and shows from Ticketmaster. 🎢Theme parks and attraction ticketsTickets for top attractions and theme parks in San Diego, from Attractiontix. 🎫Go City pass for San DiegoOne pass for many top attractions, so you save on entry to the sights you want. 🔥 10% off through Sept 30. 🎟️Museum and attraction ticketsSkip-the-line tickets for top sights in San Diego, from Tiqets. 👻Ghost tours in San DiegoHaunted history walks, pub crawls and ghost hunts after dark, from US Ghost Adventures. ✈️Flights to San DiegoCompare airfares on Trip.com and search your route. 🛎️Hotels in San Diego on Trip.comCompare hotels and homes in San Diego for your dates. 🏩Hotels in San Diego on ExpediaCompare hotel prices and reviews on Expedia for your dates. 🎫Is a city pass worth it?How to tell if a sightseeing pass will save you money in San Diego, before you buy. 🍝Eating near the big sightsHow to avoid tourist-trap restaurants near San Diego’s landmarks and find a better meal nearby. 🎡Things to do in San Diego on ExpediaTours, tickets and activities you can book on Expedia. 🏡Vacation rentals in San Diego on VrboWhole homes, villas and apartments with room for everyone. 🚖Airport transfer in San DiegoPre-book a driver who meets you at arrivals, from Welcome Pickups. 🧭Transfer, taxi or rideshare?Our guide to choosing the best ride from the airport into San Diego. 🧳Luggage storage in San DiegoDrop your bags at a nearby shop or hotel and explore hands-free, with Radical Storage. 🙋Private local guideCustomizable private tours with vetted local guides from GoWithGuide. 📱eSIM data planGet mobile data before you land, with Airalo. 📶eSIM, roaming or local SIM?Our guide to staying connected on a short trip to San Diego. 🛡️Travel insuranceCompare travel medical and cancellation cover with HelloSafe. ⏱️Flight delayed or cancelled?Check if you are owed compensation, with AirHelp. ✦Ask our AI conciergeTell us how many days you have and what you enjoy, and get a plan for San Diego. 🏨Hotels in San Diego on AgodaCompare hotel prices and reviews on Agoda, via our partner Stay22.🔎Compare hotels in San Diego on KAYAKSearch and compare hundreds of hotel sites at once, via our partner Stay22.🛂Do you need a visa for San Diego, United States?Check entry requirements and apply online with eVisas.com, a private visa service (service fee applies).

More destinations in USA & Canada

🎸 Nashville 🤠 Austin 🏔️ Denver 🌺 Maui ❄️ Anchorage 🌸 Charleston All USA & Canada →

Closest guides to San Diego

🎬 Los Angeles 110 mi 🎰 Las Vegas 270 mi 🏜️ Sedona 340 mi 🌉 San Francisco 460 mi 🐳 Cabo San Lucas 810 mi

Planning guides

Cruise or all-inclusive resort?Airport transfer or rental car?What travel insurance actually pays When to book flights and hotels

San Diego: common questions

When is the best time to visit San Diego?: The most comfortable stretch is June to September, when average highs run 72 to 78°F with 0 to 1 rainy days a month. August is the hottest month at 78°F on average, and January the coolest at 63°F.
What is the rainiest month in San Diego?: March, with roughly 10 days of rain. The driest is June, with about 0. Both are averages from 2019-2024 records.
How warm does it get in San Diego?: July averages 75°F by day and 64°F at night, and January averages 63°F and 47°F. In the southern hemisphere those two are reversed.
How do I book tours, a hotel or an airport transfer in San Diego?: Everything on this page books through our travel partners: top-rated tours and tickets, hotels, car rental, airport transfers, an eSIM and travel insurance. Voyaggora earns a commission on some bookings at no extra cost to you, and our AI concierge can put a day-by-day plan together first.

Some links on this page are sponsored: if you book through them we may earn a commission at no extra cost to you. Ratings and review counts come from GetYourGuide and were last checked on September 23, 2026. Prices, availability and rules are set by the providers and change often. See our affiliate disclosure.