The weather in Santiago in August is very cold with temperatures between 2°C and 16°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Santiago during the month of August. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Santiago in August 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.
Temperatures
16° / 2°
Rainy Days
3
Snowy Days
0
Dry Days
28
Rainfall
69
mm
Sun Hours
10.8
Hrs
