October weather in Chula Vista, CA
The average temperature in Chula Vista in October is 66.0°F (55.3°F–76.7°F). Average precipitation: 0.44 inches.
October is a fall month in Chula Vista, and is warmer than the annual average of 62.6°F. Daily temperatures swing about 21.4°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
76.7°F
Avg Low
55.3°F
Precipitation
0.44 in
Daylight
11h 10m
October records in Chula Vista
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 99.0°F (2020) | 52.0°F (2019) | 0.24 in (2023) |
| October 2 | 98.1°F (2014) | 48.0°F (2019) | 0.01 in (2009) |
| October 3 | 97.0°F (2014) | 46.9°F (2002) | 0.01 in (1999) |
| October 4 | 96.1°F (2014) | 46.0°F (1999) | 0.44 in (2021) |
| October 5 | 95.0°F (2020) | 48.0°F (2002) | 0.62 in (2015) |
| October 6 | 95.0°F (2005) | 48.9°F (2009) | 0.05 in (2000) |
| October 7 | 96.1°F (2008) | 48.0°F (2007) | 0.00 in (1998) |
| October 8 | 98.1°F (2008) | 46.0°F (2011) | 0.10 in (2021) |
| October 9 | 102.0°F (2015) | 48.0°F (1998) | 0.10 in (2013) |
| October 10 | 97.0°F (2015) | 50.0°F (1998) | 0.11 in (2000) |
| October 11 | 93.9°F (2015) | 48.0°F (2013) | 0.12 in (2012) |
| October 12 | 97.0°F (2011) | 46.0°F (2008) | 0.34 in (2012) |
| October 13 | 100.0°F (2020) | 43.0°F (2021) | 0.36 in (2006) |
| October 14 | 98.1°F (1997) | 45.0°F (2013) | 0.65 in (2006) |
| October 15 | 98.1°F (2017) | 48.9°F (2000) | 0.01 in (2001) |
| October 16 | 99.0°F (1997) | 46.9°F (2025) | 0.08 in (2015) |
| October 17 | 99.0°F (2012) | 50.0°F (1998) | 0.52 in (2004) |
| October 18 | 89.1°F (2022) | 46.0°F (1998) | 0.11 in (2005) |
| October 19 | 96.1°F (2022) | 45.0°F (2021) | 1.43 in (2010) |
| October 20 | 97.0°F (1999) | 45.0°F (2021) | 1.21 in (2004) |
| October 21 | 93.9°F (2003) | 46.9°F (2021) | 0.15 in (2004) |
| October 22 | 97.0°F (2019) | 48.9°F (1998) | 0.09 in (2022) |
| October 23 | 99.0°F (2017) | 48.0°F (2004) | 0.03 in (2022) |
| October 24 | 102.9°F (2017) | 48.0°F (2022) | 0.01 in (2003) |
| October 25 | 102.0°F (2017) | 46.0°F (2022) | 0.27 in (2021) |
| October 26 | 91.9°F (2003) | 42.1°F (2020) | 0.01 in (2000) |
| October 27 | 90.0°F (2008) | 37.9°F (2020) | 1.56 in (2004) |
| October 28 | 89.1°F (2008) | 45.0°F (2011) | 0.17 in (2013) |
| October 29 | 95.0°F (2025) | 42.1°F (2009) | 0.27 in (2013) |
| October 30 | 93.0°F (1999) | 43.0°F (2023) | 0.21 in (2000) |
| October 31 | 90.0°F (2005) | 44.1°F (2024) | 0.02 in (1998) |