Click on a day for an hourly weather forecast
The temperatures in Santiago in October are quite cold with temperatures between 5°C and 20°C, warm clothes are a must.
The wather in Santiago in October can vary between cold and nice weather days. Expect a few rainy days but usually not more than 3.
Our weather forecast can give you a great sense of what weather to expect in Santiago in October 2025.
If you’re planning to visit Santiago in the near future, we highly recommend that you review the 14 day weather forecast for Santiago before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 25° / 12° | 0 | 31 | 0 | 7 mm | Perfect | Santiago in January |
| February | 26° / 12° | 1 | 27 | 0 | 4 mm | Perfect | Santiago in February |
| March | 25° / 11° | 0 | 31 | 0 | 2 mm | Perfect | Santiago in March |
| April | 23° / 8° | 1 | 30 | 0 | 5 mm | Perfect | Santiago in April |
| May | 19° / 6° | 2 | 29 | 0 | 48 mm | Good | Santiago in May |
| June | 15° / 2° | 4 | 25 | 1 | 116 mm | Good | Santiago in June |
| July | 14° / 1° | 2 | 27 | 1 | 59 mm | Good | Santiago in July |
| August | 16° / 2° | 3 | 28 | 0 | 69 mm | Good | Santiago in August |
| September | 17° / 3° | 2 | 28 | 0 | 30 mm | Good | Santiago in September |
| October | 20° / 5° | 2 | 29 | 0 | 19 mm | Good | Santiago in October |
| November | 23° / 8° | 1 | 29 | 0 | 7 mm | Perfect | Santiago in November |
| December | 25° / 11° | 1 | 30 | 0 | 4 mm | Perfect | Santiago in December |