Santiago Weather in August
During August, Santiago experiences moderate daytime temperatures of 16°C (61°F) and cooler nights around 3°C (37°F). As part of the winter season, expect quite a bit of rainfall. Around 90 mm (3.5 in) is typical.
Rainfall in Santiago in August
You can expect rain on around 3 days based on historical patterns, with 90 mm (3.5 in) average for the month. The rain this month typically falls in concentrated bursts rather than all-day showers. Expect a few heavier spells rather than constant grey skies.
Temperature in Santiago in August
In August, Santiago gets moderate temperatures, with highs of 16°C (61°F). Nights cool to around 3°C (37°F). August is part of the winter season. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. At 3°C (37°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.
Sunshine in Santiago in August
The month experiences a moderate amount of sunlight, with 161 hours of sunshine. This provides a nice balance between sunshine and clouds.For Santiago itself, January, February, March, April, October, November and December generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Chile, check out our Santiago's climate page.
Santiago Temperature in August
Min Temperature
3°C (37°F)
Max Temperature
16°C (61°F)
Chance of Rain
10%
Precipitation
90 mm (3.5 in)
Rainy days
3 days
Humidity
80%
Sunshine
161 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Santiago typically stay consistent throughout August, with daily highs averaging around 16°C (61°F). Nights are cold, with lows typically ranging from 3°C (37°F) to 6°C (43°F).
Average temperatures in August
Historical weather for Santiago in August
Browse day-by-day weather records for Santiago spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Santiago historical weather extremes in August
Our historical data for Santiago spans 1976 to 2025, revealing these weather extremes.
- On August 17, 2014, temperatures climbed to 30°C (86°F), marking the warmest August day on record.
- On August 3, 1991, Santiago saw its coldest August day with temperatures maxing out at 6°C (43°F).
- Santiago registered its coldest August night on August 10, 1993, with temperatures dropping to -5°C (23°F).
Best Places in Chile in August
Find out more about the weather in Chile and which places have the best travel conditions in this month. See all of Chile in August →
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What to Wear in Santiago in August
The weather can swing between comfortable and chilly in August, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Expect heavy rainfall, so bring good rain protection and waterproof bags. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Santiago in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Chile, check out our Santiago's climate page.
Temperature Rainfall Sunshine Humidity
See the full Santiago climate overview or explore weather in Chile.
