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Santa Ana in October: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Santa Ana in October will be like? Take a look at our weather guide for Santa Ana, based on historical data.
Check flight prices to Santa Ana on Avionero:
October

Weather in Santa Ana in October 2025

Great Weather
Warm
☁️
Cloudy
October is an ideal time to visit Santa Ana if you're seeking a destination with brilliant weather. Anticipate average maximum temperatures of +24°C and about 10 sunny days, ensuring you'll have ample opportunities to soak up the sunshine. It's worth noting, though, that there may be some rainfall, with approximately 19 mm of precipitation over an average of 5 rainy days. So, prepare your sunglasses, a beach towel, and great walking shoes, as it's most likely going to be amazing weather. Search flights in one click on Avionero.

Average weather

☀️
+24°C
Avg. max. temperature
+8°C
Min.
+38°C
Max.
19 mm
Total precipitation
69%
Avg. humidity
1 m/s
Avg. wind
10 ☀️
Sunny Days
16 ⛅️
Cloudy
5 🌦
Rainy
Our opinion: Santa Ana has great weather in October.

Average temperature in Santa Ana in October

Here are the expected maximum, average and minimum temperatures in Santa Ana for October based on the historical data.
Last Year
Historical Data

Going from a maximum of +33°C during the day to a minimum of +13°C during the night, the temperature in October averages around +27°C.

The average maximum temperature goes up 45% by the end of the month, compared with the beginning of the month, from +22°C to +31°C.

Is Santa Ana warm or cold in October?

Santa Ana is typically warm in October.

Maximum temperatures go down compared to the previous month from +26°C to +24°C. The minimum temperature also goes down from +18°C to +16°C.

It’s generally warm, but pack a long-sleeve shirt for evenings.

Take a look at how October is compared to other months in Santa Ana:

Climate in Santa Ana in October

Santa Ana weather looks like this, on average, in October and the surrounding months.
SeptemberOctoberNovember
Avg. temperature
+26°C+24°C+21°C
Min. temperature
+11°C+8°C+6°C
Max. temperature
+42°C+38°C+34°C
Rainfall
6 mm19 mm30 mm
Wind
1 m/s1 m/s1 m/s
Humidity
71%69%65%
Air pressure
1011 HPa1013 HPa1015 HPa
Sunny days
121010
Cloudy days
161614
Rainy days
356
Snowy days
000

October weather is still as great as in September. It’s getting colder in October. From +26°C in the day, the average maximum temperature lowers to +24°C. Prepare for more rain. Average rainfall goes from 6 mm to 19 mm. It feels drier, as humidity decreases from 71% to 69%. The average wind speed doesn’t change much during October, staying around 1 m/s. The days becoming less sunny, going from 12 sunny days in September to 10 in October.

Next month (November) brings a further decline in the weather.

Wind

Wind speed in Santa Ana in October based on historical data.
Last Year
Historical Data

The average wind speed is 1 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.

The average wind speed in Santa Ana is gradually decreasing during October, going from 2 m/s to 1 m/s over the course of the month.

Rain

Amount of rainfall in mm during October in Santa Ana based on historical data.
Last Year
Historical Data
Typically, there is a 13% chance of rain on an average day in October, with total rainfall of approximately 11 mm. The maximum amount of rainfall per day is around 3 mm, which is considered light rain. Santa Ana is amazing in October with as little as 4 rainy days on average, so plan adventures in the great outdoors.
Here’s how October is compared with other months in the amount of precipitation, total mm:
Santa Ana wettest month is February, where a typical day has a 36% chance of precipitation and 86 mm of rainfall per day. June, on the other hand, is the driest month with a mere 3% chance of precipitation and 2 mm of rainfall per day.

How was the weather last October in Santa Ana?

This is the weather in Santa Ana in October 2024:
1 October
🌧️
+22°C
2 October
☀️
+23°C
3 October
☀️
+27°C
4 October
☀️
+31°C
5 October
☀️
+33°C
6 October
☀️
+31°C
7 October
☀️
+32°C
8 October
☀️
+31°C
9 October
☀️
+27°C
10 October
☀️
+25°C
11 October
☁️
+24°C
12 October
☀️
+27°C
13 October
☁️
+27°C
14 October
☀️
+28°C
15 October
☀️
+31°C
16 October
☀️
+29°C
17 October
☀️
+29°C
18 October
☀️
+27°C
19 October
☀️
+30°C
20 October
☀️
+32°C
21 October
☀️
+29°C
22 October
☀️
+24°C
23 October
☁️
+23°C
24 October
☁️
+24°C
25 October
☁️
+22°C
26 October
☁️
+23°C
27 October
☀️
+23°C
28 October
☀️
+22°C
29 October
☀️
+27°C
30 October
☀️
+29°C
31 October
☀️
+31°C
In October 2024 Santa Ana had 24 sunny days, 6 cloudy days, and 1 rainy days. The average maximum temperature was +27°C, with an absolute maximum of +33°C and a minimum of +22°C. The average humidity was 68%, with a maximum of 100% and a minimum of 6%. The average wind speed was 1 m/s, with a maximum of 9 m/s and a minimum of 0 m/s.
Are you planning a trip in October?

Climate Change over Years

This is how Santa Ana climate have been changing during last 43 years period.

The climate in Santa Ana in October has not changed much over the last 43 years.

The average temperature was the lowest in 2001 (+20°C) and the highest in 2022 (+25°C). The driest year was 1989 with only 150 mm of rainfall, and the wettest year was 1983 with 898 mm.

FAQ

Frequently asked questions about the weather in Santa Ana in October:

Is October a good time to visit Santa Ana?

Yes, October is a great time to go to Santa Ana, the weather couldn’t be better. Be ready to get outside, explore and enjoy. Check what other months that are a good time to visit Santa Ana.

Can you sunbathe in Santa Ana in October?

October is warm in Santa Ana. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.

Is Santa Ana rainy in October?

Santa Ana is usually dry in October. Plan your packing around outdoor activities and exploring.

Is it sunny in Santa Ana in October?

The amount of sunny days in Santa Ana during October varies; prepare for a mix of clouds and sun.

Other cities in USA

Check out the weather for other cities in USA.

Monthly weather in Santa Ana

Source of the data

For this page, we’ve looked at the typical weather in Santa Ana, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.