Weather in San Clemente in May
San Clemente, United States averages a high of 20°C (68°F) and low of 13.7°C (56.7°F) in May, with 3 rain days and 12.7 hours of daily sunshine. Travel score: 87.4/100 (Excellent). The best time to visit San Clemente is July.
High
20°C68°F
Low
14°C57°F
🌧️
3
rain days
☀️
12.7
hrs/day sunshine
💧
76%
humidity
87— Excellent
May in San Clemente is mild and dry — ideal for sightseeing and outdoor activities.
What are the average temperatures in San Clemente?
How much does it rain in San Clemente in May?
San Clemente receives an average of 12.5mm of rainfall across 3 rainy days in May. The annual total is 351.8mm.
What should I pack for San Clemente in May?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 20°C
🧴
Sunscreen SPF 30+
13 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
🎉Visiting United States in May?
Don't miss any public holidays — check before you book!
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Data based on 1994–2024 averages · Last updated: 2024-12-31