Newport Harbor at sunrise with moored boats and the Saddleback ridge

Weather · August

Orange County weather in August

Average highs of 87°F, lows of 63°F and 0.00 in of rain, from 30 years of weather records.

August is Orange County’s warmest month, with average highs of 87°F and lows of 63°F. That is 2° warmer than July, and 10° above the yearly average high.

Average high
87°F
Average low
63°F
Precipitation
0.00 in
Wet days
0
Sunrise · sunset
6:12 AM · 7:38 PM

What to wear in August

What August weather is good for

August compared with the months around it

MonthHighLowRain
July85°F61°F0.00 in
August87°F63°F0.00 in
September87°F61°F0.20 in

Planning a trip? See the best time to visit Orange County and today’s forecast.

Questions

How hot does it get in Orange County in August?

Average highs are 87°F and average lows 63°F, for a daily mean of 75°F. Individual days run hotter or colder than these 30-year averages.

Does it rain in Orange County 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 Orange County in August?

Around mid-August the sun rises about 6:12 AM and sets about 7:38 PM, for roughly 13.4 hours of daylight.

Is August a good time to visit Orange County?

The mildest months for visiting are May, June, October. August is warm.

NOAA U.S. Climate Normals 1991–2020, Tustin Irvine Rch station (0.4 mi from downtown). Sunrise and sunset are calculated for August 15 at the city’s coordinates.

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