Weather · July
San Luis Obispo weather in July
Average highs of 78°F, lows of 54°F and 0.10 in of rain, from 30 years of weather records.
July is San Luis Obispo’s 3rd warmest month, with average highs of 78°F and lows of 54°F. That is 3° warmer than June, and 6° above the yearly average high.
- Average high
- 78°F
- Average low
- 54°F
- Precipitation
- 0.10 in
- Wet days
- 0
- Sunrise · sunset
- 5:58 AM · 8:17 PM
What to wear in July
- Warm days: shorts and T-shirts, with a light layer for cooler evenings.
What July weather is good for
What’s on in San Luis Obispo in July
Guides for this month: Fourth of July in San Luis Obispo.
See all upcoming events.
July compared with the months around it
Planning a trip? See the best time to visit San Luis Obispo and today’s forecast.
Questions
How hot does it get in San Luis Obispo in July?
Average highs are 78°F and average lows 54°F, for a daily mean of 66°F. Individual days run hotter or colder than these 30-year averages.
Does it rain in San Luis Obispo in July?
July averages 0.10 in of precipitation over about 0 days with at least 0.01 in. It is the 10th wettest month of the year.
What time is sunset in San Luis Obispo in July?
Around mid-July the sun rises about 5:58 AM and sets about 8:17 PM, for roughly 14.3 hours of daylight.
Is July a good time to visit San Luis Obispo?
The mildest months for visiting are June, August, September. July is warm, with Fourth of July events.
NOAA U.S. Climate Normals 1991–2020, San Luis Obispo Ap station (2.8 mi from downtown). Sunrise and sunset are calculated for July 15 at the city’s coordinates.