Weather · October
San Diego weather in October
Average highs of 78°F, lows of 58°F and 0.50 in of rain, from 30 years of weather records.
October is San Diego’s 4th warmest month, with average highs of 78°F and lows of 58°F. That is 4° cooler than September, and 4° above the yearly average high.
- Average high
- 78°F
- Average low
- 58°F
- Precipitation
- 0.50 in
- Wet days
- 4
- Sunrise · sunset
- 6:52 AM · 6:16 PM
What to wear in October
- Warm days: shorts and T-shirts, with a light layer for cooler evenings.
What October weather is good for
What’s on in San Diego in October
Guides for this month: Halloween in San Diego.
See all upcoming events and school days off.
October compared with the months around it
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 October?
Average highs are 78°F and average lows 58°F, for a daily mean of 68°F. Individual days run hotter or colder than these 30-year averages.
Does it rain in San Diego in October?
October averages 0.50 in of precipitation over about 4 days with at least 0.01 in. It is the 7th wettest month of the year.
What time is sunset in San Diego in October?
Around mid-October the sun rises about 6:52 AM and sets about 6:16 PM, for roughly 11.4 hours of daylight.
Is October a good time to visit San Diego?
The mildest months for visiting are June, July, August. October is mild, with Halloween events.
NOAA U.S. Climate Normals 1991–2020, San Diego Montgomery Fld station (1.5 mi from downtown). Sunrise and sunset are calculated for October 15 at the city’s coordinates.