Santiago in August: weather, rain (19%) and should you go? [2026]

Month summary

Santiago weather in August

✅ Good

🌡️ Temperature min / max

7°C – 16°C

🌧 Rainy days

19% of days

☀️ Sunshine

10.0h per day on average

🌊 🌊 Season

Summer

⭐ ⭐ Weather score

7.1/10

📅 📅 Best month

December (9.6/10)

Quick decision

Should you visit Santiago in August?

✅ Good

✅ Yes if: you want to explore the city on foot without suffering from heat.

❌ No if: you're looking for a beach destination — water and air are still cool.

🌧 Rain : ██░░░░░░░░ 19%

🌡 Temperature : ████░░░░░░ 16°C

☀️ Sunshine : ███████░░░ 10.0h/d

Our take: August in Santiago brings crisp winter days perfect for those who enjoy cooler temperatures—think layered clothing and brisk morning walks. You'll get reliable sunshine with minimal rain, ideal if you prefer predictable weather for exploring the city. It's a solid choice for travelers who love clear skies without summer crowds.

By trip type

Santiago in August by trip type

🏙️ 🏙️ City break / culture : ✅ Good
🚶 🚶 Outdoor activities : ⚠️ Possible
🏖️ Beach / swimming : ❌ Not recommended
💰 💰 Budget : ✅ Low season

Local context

What to expect in August

🎯 Open terraces and outdoor markets — best season for al fresco dining In August, Santiago sees 16°C during the day with 10.0h of sunshine per day. Rain risk remains low (19% of days), leaving good room for outdoor activities. Not the best window, but acceptable if dates are constrained. December (9.6/10) is significantly better if possible.

Browse by month

All months for Santiago

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Annual table

Month-by-month comparison

Month	Min °C	Max °C	Rain %	Precip mm	Sun h/d	Score
☀️ January	16°C	30°C	2%	0.3	13.8h	9.3/10
☀️ February	16°C	30°C	4%	0.2	12.7h	9.1/10
☀️ March	14°C	28°C	3%	0.1	11.9h	9.5/10
🌤️ April	12°C	23°C	7%	1.1	10.7h	8.4/10
🌤️ May	9°C	18°C	15%	1.4	9.5h	7.3/10
⛅ June	7°C	15°C	21%	2.9	8.3h	7.0/10
⛅ July	7°C	15°C	15%	1.6	9.4h	7.1/10
⛅ August	7°C	16°C	19%	2.0	10.0h	7.1/10
🌤️ September	8°C	19°C	19%	1.1	11.0h	7.5/10
🌤️ October	10°C	22°C	15%	0.8	12.2h	8.4/10
☀️ November	12°C	27°C	6%	0.4	13.0h	9.5/10
☀️ December	14°C	29°C	3%	0.2	13.8h	9.6/10

Ideal Fair Challenging climate ◀ Current month · Source Open-Meteo · 10 years

📊 Data source Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In August, Santiago averages 16°C, 19% rainy days and 10.0h of sunshine per day. Overall weather score: 7.1/10. See methodology →

Comparison