October weather in San Diego, CA

The average temperature in San Diego in October is 67.8°F (57.8°F–77.8°F). Average precipitation: 0.54 inches.

October is a fall month in San Diego, and is warmer than the annual average of 64.1°F. Daily temperatures swing about 20°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 11h 10m. For travel, October is one of the best months of the year to visit.

Avg High
77.8°F
Avg Low
57.8°F
Precipitation
0.54 in
Daylight
11h 10m

October records in San Diego

Date Record High Record Low Record Precip
October 1 100.0°F (2020) 54.0°F (2002) 0.09 in (2002)
October 2 99.0°F (2020) 51.1°F (2002) 0.00 in (1998)
October 3 96.1°F (2014) 51.1°F (2002) 0.01 in (2009)
October 4 96.1°F (2020) 52.0°F (2002) 0.47 in (2021)
October 5 96.1°F (2020) 50.0°F (2009) 0.61 in (2011)
October 6 93.9°F (2005) 51.1°F (2007) 0.30 in (2010)
October 7 97.0°F (2017) 50.0°F (2007) 0.00 in (1998)
October 8 97.0°F (2008) 51.1°F (2011) 0.17 in (2021)
October 9 100.9°F (2015) 50.0°F (1998) 0.30 in (2013)
October 10 99.0°F (2015) 52.0°F (2013) 0.05 in (2000)
October 11 98.1°F (2015) 50.0°F (2013) 0.15 in (2012)
October 12 97.0°F (2011) 46.9°F (2008) 0.42 in (2018)
October 13 99.0°F (2020) 46.9°F (2008) 0.18 in (2007)
October 14 93.9°F (2005) 50.0°F (2013) 0.89 in (2006)
October 15 100.0°F (2017) 52.0°F (2000) 0.05 in (2022)
October 16 100.0°F (2017) 50.0°F (2025) 0.04 in (2003)
October 17 98.1°F (2012) 50.0°F (1998) 0.29 in (2005)
October 18 93.0°F (2022) 48.0°F (1998) 0.35 in (2004)
October 19 95.0°F (2022) 48.0°F (2021) 1.06 in (2010)
October 20 93.9°F (1999) 50.0°F (2013) 0.97 in (2004)
October 21 95.0°F (2003) 51.1°F (2013) 0.22 in (2012)
October 22 97.0°F (2019) 52.0°F (2004) 0.03 in (2022)
October 23 102.0°F (2017) 51.1°F (2004) 0.05 in (2022)
October 24 105.1°F (2017) 50.0°F (2022) 0.13 in (2016)
October 25 104.0°F (2017) 51.1°F (2012) 0.23 in (2021)
October 26 93.9°F (2017) 50.0°F (2012) 0.17 in (2000)
October 27 91.0°F (2008) 46.9°F (2020) 2.71 in (2004)
October 28 90.0°F (2008) 46.9°F (2011) 0.12 in (2004)
October 29 91.0°F (2025) 43.0°F (2009) 0.63 in (2000)
October 30 88.0°F (1999) 46.9°F (2009) 0.16 in (2010)
October 31 89.1°F (2015) 44.1°F (2019) 0.01 in (2010)

Other months in San Diego