La Jolla’s coastline and sea lions in San Diego

Weather · August

San Diego weather in August

Average highs of 82°F, lows of 65°F and 0.00 in of rain, from 30 years of weather records.

August is San Diego’s warmest month, with average highs of 82°F and lows of 65°F. That is 2° warmer than July, and 9° above the yearly average high.

Average high
82°F
Average low
65°F
Precipitation
0.00 in
Wet days
0
Sunrise · sunset
6:11 AM · 7:34 PM

What to wear in August

What August weather is good for

August compared with the months around it

MonthHighLowRain
July80°F64°F0.10 in
August82°F65°F0.00 in
September81°F64°F0.20 in

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

Questions

How hot does it get in San Diego in August?

Average highs are 82°F and average lows 65°F, for a daily mean of 74°F. Individual days run hotter or colder than these 30-year averages.

Does it rain in San Diego 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 San Diego in August?

Around mid-August the sun rises about 6:11 AM and sets about 7:34 PM, for roughly 13.4 hours of daylight.

Is August a good time to visit San Diego?

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, San Diego Montgomery Fld station (1.5 mi from downtown). Sunrise and sunset are calculated for August 15 at the city’s coordinates.

San Diego AI

Your San Diego local guide
Hey there!

I'm San Diego AI. Ask about neighborhood food, independent shops, local history or planning a visit.

AI recommendations may be inaccurate. Verify hours and prices. Questions are processed by Cloudflare. Privacy