Santa Ana weather in October

October in Santa Ana averages 79°F by day and 59°F at night, with 0.5 inches of precipitation. It is the 4th-warmest and 7th-wettest month of the year here.

Santa AnaCaliforniaPop. 315,586
Average high
79°F-4° vs September
Average low
59°F0 nights below freezing
Precipitation
0.5 in1 days with 0.1 in. or more
Snow
0.0 in5 days at 90°F+

Is October a good time to visit Santa Ana?

Yes. October is one of the most comfortable months in Santa Ana 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.

On October 15 the sun rises at 6:56 am and sets at 6:17 pm, giving 11h 20m of daylight. Daylight all year.

What to pack for Santa Ana in October

  • Summer clothes, with a light layer for air conditioning

Based on 30-year averages, not a forecast. Check the forecast a few days before you go.

October nearby

CityDistanceHighLowPrecip.
Santa Ana79°F59°F0.5 in
Tustin, CA3 mi77°F59°F0.5 in
Orange, CA4 mi79°F59°F0.5 in
Irvine, CA6 mi77°F59°F0.5 in
Garden Grove, CA6 mi80°F58°F0.5 in
Anaheim, CA7 mi80°F58°F0.5 in
Westminster, CA7 mi80°F58°F0.5 in

Frequently asked questions

What is the weather like in Santa Ana in October?

In October, Santa Ana averages a high of 79°F and a low of 59°F, with 0.5 inches of precipitation (NOAA 1991-2020 normals).

Is October a good time to visit Santa Ana?

Yes. October is one of Santa Ana'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 Santa Ana in October?

Rarely. The October snowfall normal is under half an inch.

Before and after: Santa Ana in September and Santa Ana in November. All twelve months: Santa Ana weather by month.

NOAA NCEI 1991-2020 climate normals, station Santa Ana Fire Stn, CA, 0.4 miles from the city center.