Weather in Palo Alto in May
Palo Alto, United States averages a high of 21.3°C (70.3°F) and low of 11°C (51.8°F) in May, with 3 rain days and 12.8 hours of daily sunshine. Travel score: 86.8/100 (Excellent). The best time to visit Palo Alto is July.
High
21°C70°F
Low
11°C52°F
🌧️
3
rain days
☀️
12.8
hrs/day sunshine
💧
71%
humidity
87— Excellent
May in Palo Alto is mild and mostly dry — ideal for sightseeing and outdoor activities.
What are the average temperatures in Palo Alto?
How much does it rain in Palo Alto in May?
Palo Alto receives an average of 18.1mm of rainfall across 3 rainy days in May. The annual total is 501.8mm.
What should I pack for Palo Alto in May?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 21°C
🧴
Sunscreen SPF 30+
13 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Traveling to United States in May?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31