San Diego weather in October
October in San Diego averages 75°F by day and 60°F at night, with 0.6 inches of precipitation. It is the 3rd-warmest and 7th-wettest month of the year here.
- Average high
- 75°F-2° vs September
- Average low
- 60°F0 nights below freezing
- Precipitation
- 0.6 in1 days with 0.1 in. or more
- Snow
- 0.0 in1 days at 90°F+
Is October a good time to visit San Diego?
Yes. October is one of the most comfortable months in San Diego by our rule (highs of 62 to 86°F, lows of 42°F or more and under 4.5 inches of precipitation). The most comfortable months overall are January to December.
Get outside in San Diego in October
October is made for being outside. Try San Diego Zoo, SeaWorld San Diego, Balboa Park, Cabrillo National Monument. All things to do in San Diego.
On October 15 the sun rises at 6:52 am and sets at 6:15 pm, giving 11h 22m of daylight. Daylight all year.
What to pack for San Diego in October
- T-shirts and a light jacket or sweater
Based on 30-year averages, not a forecast. Check the forecast a few days before you go.
October nearby
| City | Distance | High | Low | Precip. |
|---|---|---|---|---|
| San Diego | 75°F | 60°F | 0.6 in | |
| Chula Vista, CA | 8 mi | 75°F | 60°F | 0.6 in |
| El Cajon, CA | 15 mi | 81°F | 56°F | 0.5 in |
| Escondido, CA | 28 mi | 81°F | 57°F | 0.6 in |
| San Marcos, CA | 30 mi | 73°F | 59°F | 0.5 in |
| Carlsbad, CA | 32 mi | 73°F | 59°F | 0.5 in |
| Vista, CA | 34 mi | 73°F | 59°F | 0.5 in |
Frequently asked questions
What is the weather like in San Diego in October?
In October, San Diego averages a high of 75°F and a low of 60°F, with 0.6 inches of precipitation (NOAA 1991-2020 normals).
Is October a good time to visit San Diego?
Yes. October is one of San Diego's most comfortable months by our rule: highs between 62°F and 86°F, lows of 42°F or more and modest rain.
Does it snow in San Diego in October?
Rarely. The October snowfall normal is under half an inch.
Before and after: San Diego in September and San Diego in November. All twelve months: San Diego weather by month.
NOAA NCEI 1991-2020 climate normals, station North Island NAS, CA, 2.7 miles from the city center.