Weather in El Cajon in August
El Cajon, United States averages a high of 28.8°C (83.8°F) and low of 18.5°C (65.3°F) in August, with 1 rain days and 12.7 hours of daily sunshine. Travel score: 96.4/100 (Excellent). The best time to visit El Cajon is July.
High
29°C84°F
Low
19°C65°F
🌧️
1
rain days
☀️
12.7
hrs/day sunshine
💧
69%
humidity
96— Excellent
August in El Cajon is hot and dry — ideal for sightseeing and outdoor activities.
What are the average temperatures in El Cajon?
How much does it rain in El Cajon in August?
El Cajon receives an average of 3.5mm of rainfall across 1 rainy days in August. The annual total is 314.3mm.
What should I pack for El Cajon in August?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 29°C
🧴
Sunscreen SPF 30+
13 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Traveling to United States in August?
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