Yosemite National Park is definitely worth a visit
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Palo Alto Weather in May
May in Palo Alto averages 22°C (72°F) during the day and 11°C (52°F) at night. With only 4.7 mm (0.2 in) of rainfall expected on average, it's a largely dry month.
Rainfall in Palo Alto in May
Looking at the last 30 years, the data shows about 2 days with rain, averaging 4.7 mm (0.2 in) for the month. Rain days are few and the total is low, so this is a largely dry month. Any showers that do occur tend to be brief.
Temperature in Palo Alto in May
May is a good time to be in Palo Alto. Days are excellent, reaching 22°C (72°F), with nights around 11°C (52°F). Overall, the month follows a fairly predictable daily temperature pattern. With overnight lows of 11°C (52°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Palo Alto in May
Expect a lot of sunshine this month, with about 324 hours of sun. These sunny conditions add to the overall experience.If you're inclined towards comfortable temperatures and drier conditions, May is a good time to visit Palo Alto.
Palo Alto Temperature in May
Min Temperature
11°C (52°F)
Max Temperature
22°C (72°F)
Chance of Rain
7%
Precipitation
4.7 mm (0.2 in)
Rainy days
2 days
Humidity
72% *
Sunshine
324 hours *
Percentage Sunshine
73% *
* Data from: San Francisco, the United States of America (27 KM, 17 Miles).
Palo Alto Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Palo Alto - and find the best time to visit.
Best Places in the United States of America in May
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in May →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Palo Alto in May
Pleasant temperatures in May mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. With minimal rainfall expected, you can leave the rain gear at home. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
What To Do in Palo Alto in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling10/10 -
Walking10/10 -
Barbeque9/10 -
Camping10/10 -
Outdoor sports10/10
Palo Alto 3-Day Forecast
More climate data for Palo Alto
Temperature Rainfall Sunshine Humidity
See the full Palo Alto climate overview or explore weather in the United States of America.
Popular in May
Where to go in May - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
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