Things to Do in Palo Alto in May
May weather, activities, events & insider tips
Shoulder Season · Good Value
May Weather in Palo Alto
Temperature, rainfall and humidity at a glance
73°F (23°C)
High Temp
51°F (11°C)
Low Temp
0.0 inches (0 mm)
Rainfall
70%
Humidity
Is May Right for You?
Weigh the advantages and considerations before booking
Advantages
- + May delivers the year's sharpest marine layer. Fog rolls in at 6 AM and burns off by 9 AM. You score the classic Golden Gate Bridge shot from Stanford hills minus summer crowds. Worth waking early.
- + University Avenue farmers' market erupts with early cherries and apricots from the Central Valley. White nectarines perfume the air two blocks before the stalls appear. Follow your nose.
- + Hotel occupancy drops 25% after graduation weekend in mid-May while weather stays perfect. Boutique properties slash rates to shoulder-season prices and patios stay warm. Book then.
- + Stanford campus tours shrink in May. Your guide might be a graduating senior who can slip you into the Rodin sculpture garden when it is technically closed. Cross your fingers.
Considerations
- − Morning fog can linger until 10 AM on the coast side. Half Moon Beach trips should start after brunch, not sunrise, or you will sit in grey mist for two hours. Skip dawn.
- − Graduation week, usually the second weekend, turns downtown into a traffic experiment. University Avenue becomes pedestrian-only mayhem with parents triple-parking Teslas everywhere. Walk instead.
- − UV index hits 8 by 11 AM. This is the sun that burns through fog and makes your scalp tingle during Stanford's open-air graduation ceremonies. Wear a hat.
Best Activities in May
Top things to do during your visit
Palo Alto in May has a distinct shift in atmosphere. The city settles into its sunniest, driest stretch of the year, with daytime temperatures often reaching the low seventies Fahrenheit. You will feel a warm, dry breeze rustling through the oaks along University Avenue, a welcome change from the cooler, damper winter months. While no major festivals are recorded for this month, the rhythm of the city is dictated by the academic calendar's end at Stanford University, creating a palpable energy as students finish final projects. Locals take full advantage of the reliably rainless days, their routines moving outdoors to cafe patios and the shaded pathways of the Stanford campus. This makes May in Palo Alto feel more expansive and leisurely than the busier summer months that follow. The lack of measurable rain means dust can occasionally be seen kicked up by bicycles along the Midpeninsula Regional Open Space trails, and the scent of cut grass from manicured lawns is common in residential neighborhoods. Evenings bring a noticeable coolness as the temperature drops, the air carrying the faint, sweet smell of night-blooming jasmine from local gardens. This is the time to experience Palo Alto's outdoor cafes and tech campus plazas at their most inviting, before the peak heat of high summer arrives.
San Francisco: Silicon Valley Private Tour with Hotel Pickup
private_tourYou will see the unassuming office parks and sleek corporate headquarters, hearing the distant hum of data centers and feeling the weight of history at spots like the original HP garage.
This tour provides a direct, narrated connection to the physical landscape of the tech industry, far more revealing than reading about it online.
Insider tip: Request to include a drive through Stanford University's campus, where the sandstone arches and palm-lined drives offer a visual counterpoint to the glass and steel of corporate parks.
From San Francisco: Silicon Valley Private Tour
private_tourYou will hear stories of boom and bust while seeing the contrast between the modest beginnings and current monumental scales of tech giants.
It distills the complex history and culture of the region into a comprehensible journey, making the abstract concept of Silicon Valley tangible.
Insider tip: If possible, align your tour for a late afternoon return to San Francisco to avoid the heaviest traffic on the 101 freeway, which you will both see and feel as a slowdown.
San Francisco: Silicon Valley Private Tour with Transfers
private_tourYou will feel the smooth transition from the urban hills of San Francisco to the flat, large tech corridors, seeing how geography influenced the valley's development.
The smooth, private transportation allows for a deeper, more comfortable focus on the valley's environment and corporate culture.
Insider tip: Ask your guide to point out the Eichler homes in Palo Alto's residential sections, characterized by their distinctive post-and-beam construction and glass walls, which you can see from the street.
From San Francisco: Private Tour to Silicon Valley
private_tourYou will hear the detailed origin stories while smelling the eucalyptus groves that border many tech headquarters.
It grants outstanding flexibility to tailor the day precisely to your interests, whether in tech history, architecture, or current industry giants.
Insider tip: Discuss including a stop at a Palo Alto institution like the Dutch Goose for a casual lunch, where you can taste their famous burgers amid a room filled with Stanford memorabilia.
Where to Stay in Palo Alto in May
Hand-picked hotels across price tiers for May travellers.
★★★★★
Luxury
Four Seasons Hotel Silicon Valley at East Palo Alto
From $576 / night
Check Prices on Trip.com →
May Events & Festivals
What's happening during your visit
Mid May
Stanford Graduation Weekend
The entire town transforms; University Avenue becomes a pedestrian promenade of families in sundresses and Stanford-red blazers. The ceremony itself happens in the Main Quad where you will hear 5,000 names read over 3 hours while sitting on 600-year-old stone that stays cool even in 23°C (73°F) heat. After parties spill into downtown bars where recent grads swap stories about their thesis defense over IPAs.
Late May
Palo Alto Festival of the Arts
University Avenue closes for two days of 300 artists selling everything from hand-forged jewelry to paintings of the Golden Gate Bridge. The scent of kettle corn battles with Thai street food while three stages run simultaneous jazz, blues, and folk sets. Local artists who have exhibited here since the 1980s set up next to Stanford students selling 3D-printed sculptures.
Packing Checklist
Bookmark this page — your progress is saved between visits
Need the full list with shopping links?
Climate-specific gear, brand recommendations, and what to leave at home.
View Palo Alto Packing List →Essential Tips
Insider knowledge and common pitfalls to avoid
Insider Knowledge
Skip campus lots. Park at Palo Alto Caltrain station, free on weekends. Walk 10 minutes through Professorville. Oaks shade you. Houses predate the university. Smarter move.
Join the line at Philz Coffee on Forest Avenue. IPO millionaires wait beside broke grad students. Order the Mint Mojito iced coffee. It's 23°C (73°F) outside. You'll gulp it fast.
Hit the farmers' market in May. Garlic scape season. Twisted green stalks taste like mild garlic kissed with asparagus. They cost pocket change next to summer heirloom tomatoes.
Skip the Apple gift shop. Ignore Google selfies. The real Silicon Valley tour is the Computer History Museum. 1,100 pieces. Play Oregon Trail on a 1985 Macintosh. Stand beside Google's 1999 server rack. History you can touch.
Avoid These Mistakes
Don't pair Stanford campus with Half Moon Beach in one morning. Fog decides for you. Soft light for sandstone photos OR beach sun after 11 AM. Pick one. Lose both otherwise.
Booking a hotel near Stanford for graduation week? Check campus access first. Security locks down. Non-ticketed areas close. You'll stare at gates, not arches.
California weather lies. May swings from 11°C (52°F) fog to 23°C (73°F) sun. Pack layers. Real clothing changes. A scarf won't save you. Shivering is optional.
Explore More Activities in Palo Alto
Didn't see anything interesting yet?
Browse Viator's full catalog of tours, day trips, food experiences, and private guides in Palo Alto.
See All Palo Alto Tours on Viator