Click on a day for an hourly weather forecast
The temperatures in Brea in October are comfortable with low of 17°C and and high up to 25°C.
You can expect a few rainy days in Brea during October, but usually the weather is comfortable in October.
Our weather forecast can give you a great sense of what weather to expect in Brea in October 2025.
If you’re planning to visit Brea in the near future, we highly recommend that you review the 14 day weather forecast for Brea before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 20° / 11° | 3 | 28 | 0 | 70 mm | Good | Brea in January |
| February | 19° / 11° | 2 | 26 | 0 | 68 mm | Good | Brea in February |
| March | 20° / 11° | 2 | 29 | 0 | 44 mm | Good | Brea in March |
| April | 21° / 13° | 1 | 29 | 0 | 23 mm | Good | Brea in April |
| May | 22° / 14° | 1 | 30 | 0 | 15 mm | Good | Brea in May |
| June | 25° / 16° | 0 | 30 | 0 | 4 mm | Perfect | Brea in June |
| July | 27° / 19° | 1 | 30 | 0 | 25 mm | Perfect | Brea in July |
| August | 28° / 20° | 1 | 30 | 0 | 19 mm | Perfect | Brea in August |
| September | 28° / 20° | 1 | 29 | 0 | 15 mm | Perfect | Brea in September |
| October | 25° / 17° | 1 | 30 | 0 | 23 mm | Perfect | Brea in October |
| November | 22° / 14° | 1 | 29 | 0 | 31 mm | Good | Brea in November |
| December | 19° / 11° | 3 | 28 | 0 | 82 mm | Good | Brea in December |