Click on a day for an hourly weather forecast
The weather in Santa Ana in October is very hot. The average temperatures are between 24°C and 31°C, drinking water regularly is advisable.
You can expect rain for roughly half of the month of October in Santa Ana. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Santa Ana in October 2025.
If you’re planning to visit Santa Ana in the near future, we highly recommend that you review the 14 day weather forecast for Santa Ana before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 33° / 23° | 0 | 31 | 0 | 6 mm | Good | Santa Ana in January |
| February | 33° / 23° | 1 | 28 | 0 | 12 mm | Good | Santa Ana in February |
| March | 33° / 24° | 1 | 30 | 0 | 16 mm | Good | Santa Ana in March |
| April | 32° / 25° | 5 | 25 | 0 | 97 mm | Good | Santa Ana in April |
| May | 32° / 25° | 13 | 18 | 0 | 337 mm | Ok | Santa Ana in May |
| June | 31° / 24° | 14 | 16 | 0 | 377 mm | Ok | Santa Ana in June |
| July | 32° / 24° | 12 | 19 | 0 | 233 mm | Ok | Santa Ana in July |
| August | 32° / 24° | 15 | 16 | 0 | 357 mm | Ok | Santa Ana in August |
| September | 31° / 24° | 17 | 13 | 0 | 383 mm | Ok | Santa Ana in September |
| October | 31° / 24° | 14 | 17 | 0 | 385 mm | Ok | Santa Ana in October |
| November | 32° / 23° | 4 | 26 | 0 | 82 mm | Good | Santa Ana in November |
| December | 33° / 22° | 0 | 31 | 0 | 14 mm | Good | Santa Ana in December |