Weather in San Diego in April
San Diego, United States averages a high of 19.1°C (66.4°F) and low of 11.9°C (53.4°F) in April, with 4 rain days and 11.6 hours of daily sunshine. Travel score: 83.9/100 (Excellent). The best time to visit San Diego is July.
High
19°C66°F
Low
12°C53°F
🌧️
4
rain days
☀️
11.6
hrs/day sunshine
💧
74%
humidity
84— Excellent
April in San Diego is mild and mostly dry — excellent conditions for exploring.
What are the average temperatures in San Diego?
How much does it rain in San Diego in April?
San Diego receives an average of 22.8mm of rainfall across 4 rainy days in April. The annual total is 290.5mm.
What should I pack for San Diego in April?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 19°C
Recommended
🧴
Sunscreen
Sun protection is still recommended
🕶️
Sunglasses
Useful for sunny periods
Traveling to United States in April?
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