Weather in Mission Viejo in August
Mission Viejo, United States averages a high of 27.6°C (81.7°F) and low of 18.4°C (65.1°F) in August, with 0 rain days and 12.7 hours of daily sunshine. Travel score: 95.8/100 (Excellent). The best time to visit Mission Viejo is August.
High
28°C82°F
Low
18°C65°F
🌧️
0
rain days
☀️
12.7
hrs/day sunshine
💧
72%
humidity
96— Excellent
August in Mission Viejo is warm and dry — ideal for sightseeing and outdoor activities.
What are the average temperatures in Mission Viejo?
How much does it rain in Mission Viejo in August?
Mission Viejo receives an average of 3.3mm of rainfall across 0 rainy days in August. The annual total is 321.8mm.
What should I pack for Mission Viejo in August?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 28°C
🧴
Sunscreen SPF 30+
13 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
🎉Visiting United States in August?
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