Planning a trip to Santiago in August? You are in luck! The weather is generally good, with an average maximum temperature of +17°C and approximately 10 sunny days. Just be prepared for some rain, as there are usually around 5 rainy days and 75 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flightsin one click on Avionero.
Average weather
☀️
+17°C
Avg. max. temperature
-4°C
Min.
+31°C
Max.
75 mm
Total precipitation
74%
Avg. humidity
1 m/s
Avg. wind
10 ☀️
Sunny Days
16 ⛅️
Cloudy
5 🌦
Rainy
Our opinion: Santiago has good weather in August.
Average temperature in Santiago in August
Here are the expected maximum, average and minimum temperatures in Santiago for August based on the historical data.
Last Year
Historical Data
The expected average maximum temperature in August is +18°C with a maximum of +28°C and a minimum of +1°C.
The average maximum temperature goes down 4% by the end of the month, compared with the beginning of the month, from +15°C to +14°C.
Is Santiago warm or cold in August?
Santiago is typically mild in August.
Maximum temperatures go up compared to the previous month from +15°C to +17°C. The minimum temperature also goes up from +4°C to +6°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
August is one of the coolest months in Santiago, here is the comparison with other months:
Climate in Santiago in August
Santiago weather looks like this, on average, in August and the surrounding months.
July
August
September
Avg. temperature
+15°C
+17°C
+19°C
Min. temperature
-5°C
-4°C
-2°C
Max. temperature
+28°C
+31°C
+32°C
Rainfall
90 mm
75 mm
55 mm
Wind
1 m/s
1 m/s
1 m/s
Humidity
76%
74%
70%
Air pressure
1017 HPa
1017 HPa
1016 HPa
Sunny days
10
10
11
Cloudy days
16
16
14
Rainy days
5
5
5
Snowy days
0
0
0
August often has better weather than July.It’s getting warmer as August arrives. The average maximum temperature goes up from +15°C to +17°C during the day.As August arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 90 mm to 75 mm.It feels drier, as humidity decreases from 76% to 74%.The average wind speed doesn’t change much during August, staying around 1 m/s.The amount of sunny days stay about the same, averaging 10 sunny days during the month.
September brings much the same weather, it remains good.
Wind speed in Santiago in August based on historical data.
Last Year
Historical Data
The average wind speed is 2 m/s getting up to 3 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Santiago is gradually increasing during August, going from 2 m/s to 3 m/s over the course of the month.
Rain
Amount of rainfall in mm during August in Santiago based on historical data.
Last Year
Historical Data
A chance of rain on a typical day in August stands at 23%, leading to total precipitation of around 53 mm. The maximum amount of rainfall per day is around 16 mm, which is considered light rain.On average, there are about 7 rainy days during August, so prepare to bring an umbrella.
August is one of the rainiest months in Santiago, here is a comparison with other months, total mm:
Santiago wettest month is June, where a typical day has a 17% chance of precipitation and 92 mm of rainfall per day. January, on the other hand, is the driest month with a mere 0% chance of precipitation and 4 mm of rainfall per day.
How was the weather last August in Santiago?
This is the weather in Santiago in August 2023:
1 August
🌫️
+15°C
2 August
🌫️
+17°C
3 August
🌫️
+14°C
4 August
🌫️
+15°C
5 August
☀️
+16°C
6 August
🌫️
+13°C
7 August
☁️
+13°C
8 August
☀️
+15°C
9 August
☀️
+24°C
10 August
☀️
+21°C
11 August
☀️
+19°C
12 August
🌧️
+14°C
13 August
☀️
+18°C
14 August
🌫️
+12°C
15 August
☁️
+14°C
16 August
☁️
+17°C
17 August
🌧️
+13°C
18 August
🌫️
+16°C
19 August
☀️
+24°C
20 August
☀️
+23°C
21 August
☀️
+23°C
22 August
🌫️
+21°C
23 August
🌫️
+22°C
24 August
🌫️
+20°C
25 August
🌫️
+23°C
26 August
🌫️
+18°C
27 August
☁️
+20°C
28 August
☀️
+28°C
29 August
☀️
+24°C
30 August
🌫️
+21°C
31 August
🌫️
+14°C
In August 2023 Santiago had 11 sunny days, 4 cloudy days, and 2 rainy days. The average maximum temperature was +18°C, with an absolute maximum of +28°C and a minimum of +12°C. The average humidity was 65%, with a maximum of 100% and a minimum of 17%. The average wind speed was 2 m/s, with a maximum of 16 m/s and a minimum of 0 m/s.
Are you planning a trip in August?
Climate Change over Years
This is how Santiago climate have been changing during last 43 years period.
The climate in Santiago in August has not changed much over the last 43 years.
The average temperature was the lowest in 2007 (+15°C) and the highest in 2019 (+23°C). The driest year was 2019 with only 2 mm of rainfall, and the wettest year was 1987 with 215 mm.
FAQ
Frequently asked questions about the weather in Santiago in August:
Is August a good time to visit Santiago?
August is a really good time to go to Santiago. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Santiago.
Can you sunbathe in Santiago in August?
August has mild temperatures in Santiago. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!
Is Santiago rainy in August?
Santiago is often rainy in August. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.
Is it sunny in Santiago in August?
The amount of sunny days in Santiago during August varies; prepare for a mix of clouds and sun.
For this page, we’ve looked at the typical weather in Santiago, based on historical hourly weather data from January 1, 1979, to December 31, 2022.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.