Weather · August
Mission Viejo weather in August
Average highs of 81°F, lows of 61°F and 0.00 in of rain, from 30 years of weather records.
August is Mission Viejo’s warmest month, with average highs of 81°F and lows of 61°F. That is 2° warmer than July, and 7° above the yearly average high.
- Average high
- 81°F
- Average low
- 61°F
- Precipitation
- 0.00 in
- Wet days
- 0
- Sunrise · sunset
- 6:12 AM · 7:37 PM
What to wear in August
- Warm days: shorts and T-shirts.
What August weather is good for
August compared with the months around it
Planning a trip? See the best time to visit Mission Viejo and today’s forecast.
Questions
How hot does it get in Mission Viejo in August?
Average highs are 81°F and average lows 61°F, for a daily mean of 71°F. Individual days run hotter or colder than these 30-year averages.
Does it rain in Mission Viejo in August?
August averages 0.00 in of precipitation over about 0 days with at least 0.01 in. It is the 12th wettest month of the year.
What time is sunset in Mission Viejo in August?
Around mid-August the sun rises about 6:12 AM and sets about 7:37 PM, for roughly 13.4 hours of daylight.
Is August a good time to visit Mission Viejo?
Yes. August is one of the mildest months, with highs between 65°F and 85°F and little rain.
NOAA U.S. Climate Normals 1991–2020, Laguna Beach station (7.9 mi from downtown). Sunrise and sunset are calculated for August 15 at the city’s coordinates.