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Weather in Santiago for August 2026

Your guide to Santiago weather in August - trends and predictions

    Temperatures

  • The forecast for the next days in Santiago predicts temperatures to be around 17 °C, close to the historical average.

  • In general, the average temperature in Santiago at the beginning of August is 15 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 15.3 °C by the end of August.

    • Rain 🌧️

  • Santiago experiences moderate rainfall in August, with an average of 9 rainy days and a total precipitation of 154.6 mm.

Average dry days
22
Dry days
Average rainy days
9
Rainy days
Average snowy days
0
Snow days
Average temperatures
14°/5°
Temperatures
Average wind speed
11 km/h
Avg max wind
Average humidity
56 %
Avg humidity

Santiago Weather August

Move between months or click on a day
July
September
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
14°
2
Light rain shower
14°
3
Patchy rain possible
16°
4
Smoky haze
18°
5
Smog
19°
6
Patchy rain possible
13°
7
Patchy rain possible
11°
8
Patchy rain possible
9°
9
Sunny
10°
10
Sunny
16°
11
Sunny
22°
12
Sunny
20°
13
Sunny
20°
14
Sunny
16°
15
Sunny
20°
16
Sunny
23°
17
Sunny
21°
18
Light rain shower
12°
19
Moderate or heavy rain shower
12°
20
Moderate or heavy rain shower
12°
21
Patchy light rain with thunder
10°
22
Moderate or heavy rain shower
7°
23
Moderate or heavy rain shower
8°
24
Overcast
12°
25
Sunny
15°
26
Sunny
17°
27
Sunny
19°
28
Patchy rain possible
16°
29
Patchy rain possible
13°
30
Partly cloudy
12°
31
Partly cloudy
15°

Temperatures trend during August in Santiago

See the weather trend as well as the moving average line

August weather in Santiago day by day

Click on a date for more information
July September
Date Weather Temperatures Rain Snow More
1 Aug. Sunny
Sunny
 14° /5° 8.4 mm 0 cm
2 Aug. Light rain shower
Light rain shower
 14° /4° 10.3 mm 0 cm
3 Aug. Patchy rain possible
Patchy rain possible
 16° /6° 1.9 mm 0 cm
4 Aug. Smoky haze
Smoky haze
 18° /11° 0 mm 0 cm
5 Aug. Smog
Smog
 19° /11° 0.5 mm 0 cm
6 Aug. Patchy rain possible
Patchy rain possible
 13° /8° 10.2 mm 0 cm
7 Aug. Patchy rain possible
Patchy rain possible
 11° /7° 1.2 mm 0 cm
8 Aug. Patchy rain possible
Patchy rain possible
 9° /4° 1.5 mm 0 cm
9 Aug. Sunny
Sunny
 10° /2° 0 mm 0 cm
10 Aug. Sunny
Sunny
 16° /2° 0 mm 0 cm
11 Aug. Sunny
Sunny
 22° /6° 0 mm 0 cm
12 Aug. Sunny
Sunny
 20° /10° 0 mm 0 cm
13 Aug. Sunny
Sunny
 20° /10° 0 mm 0 cm
14 Aug. Sunny
Sunny
 16° /8° 0.9 mm 0 cm
15 Aug. Sunny
Sunny
 20° /7° 0 mm 0 cm
16 Aug. Sunny
Sunny
 23° /11° 0 mm 0 cm
17 Aug. Sunny
Sunny
 21° /11° 0 mm 0 cm
18 Aug. Light rain shower
Light rain shower
 12° /2° 2.7 mm 0 cm
19 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
 12° /3° 8.7 mm 0 cm
20 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
 12° /3° 5 mm 0 cm
21 Aug. Patchy light rain with thunder
Patchy light rain with thunder
 10° /0° 19.3 mm 0 cm
22 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
 7° /-1° 37 mm 4.4 cm
23 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
 8° /0° 21.7 mm 0 cm
24 Aug. Overcast
Overcast
 12° /1° 0.5 mm 0 cm
25 Aug. Sunny
Sunny
 15° /5° 0 mm 0 cm
26 Aug. Sunny
Sunny
 17° /5° 0 mm 0 cm
27 Aug. Sunny
Sunny
 19° /9° 0 mm 0 cm
28 Aug. Patchy rain possible
Patchy rain possible
 16° /7° 0.3 mm 0 cm
29 Aug. Patchy rain possible
Patchy rain possible
 13° /3° 0.1 mm 0 cm
30 Aug. Partly cloudy
Partly cloudy
 12° /4° 2.1 mm 0 cm
31 Aug. Partly cloudy
Partly cloudy
 15° /5° 2.1 mm 0 cm
Next
Important Notice
Our weather forecast for Santiago in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Santiago forecast closer to your planned date for the most up-to-date weather information.
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Santiago in August - FAQ

What are the expected maximum and minimum temperatures in Santiago during August?
During August, expect a variety of temperatures with highs around 14° and lows near 5°, suitable for diverse activities and preferences.

How much rainfall should be expected in Santiago during August?
Significant rainfall exceeding 154.6 mm is expected in Santiago during August, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.

Will it snow in Santiago in August 2026?
Santiago typically sees 4.4 cm of snowfall during August.

What are the typical wind conditions in Santiago during August?
The average wind speed in Santiago during August is 11 km/h, suggesting breezy to windy conditions, depending on your activities.

Santiago water temperatures in August

The average water temperature of the Pacific Ocean near Santiago in August is 11.4 °C. Temperatures remain fairly consistent throughout the month.

What is the water temperature in Santiago in August?
The average water temperature in Santiago in August is 11.4 °C.
Can you swim in Santiago in August?
Dangerously cold water: hypothermia risk is high. Only experienced cold-water swimmers with proper gear should consider entering.

Santiago snow forecast August 2026

Track daily snowfall levels and discover Santiago’s snowy potential this August ❄️

August rainfall patterns in Santiago

Explore the daily rainfall trends and prepare for Santiagos August weather 💧
Typically, Santiago has 9 rainy days in August with a total of 154.6 mm of rainfall.

UV exposure in Santiago during August

Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️

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Get accurate weather forecasts for Santiago, located at latitude -33.457 and longitude -70.648. Stay updated with localized weather information tailored for Santiago.

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