August · Chile
Best time to visit Santiago in August Weather, crowds & prices
Weather in Santiago in August
Average temperature 11°C, 101 mm of rain, about 22 days with 6+ hours of sunshine and 70% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
August score
7.3/10
Ranked #12 of 12 months
- Avg temp
- 11°C
- Rainfall
- 101 mm
- Humidity
- 70%
- Days with 6h+ sun
- 22
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
August in Santiago scores 7.3/10 for sightseeing and cultural travel - ranked #12 of 12. Expect around 11°C, 101 mm of rain, and roughly 22 days with 6+ hours of sunshine this month.
Andean skyline views, wine valleys, and plaza life feel best October through March.
August in Santiago — reliably good (12th best month)
August averages 11°C (52°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Monthly rainfall reaches 101 mm — wet for this destination — but about 22 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.
It scores 7.3/10 here, 12th of 12 months, against 10/10 in the destination's best month.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella.
Figure on low-season pricing, with crowds are light for this destination.
Flexible dates? January scores 2.7 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Santiago in August?
- In August, Santiago averages 11°C, 101 mm of rain, and about 22 days with 6+ hours of sunshine. Its climate-comfort score is 7.3/10.
- Is August a good time to visit Santiago?
- August earns a 7.3/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Santiago in August?
- Expect about 101 mm of rain in August. Average humidity is 70% and there are about 22 days with 6+ hours of sunshine.
Curated in Santiago
Tickets & experiences
Things to do in Santiago
Santiago, Chile. Live activities and tours from GetYourGuide, matched to this destination.