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Weather in Santiago for August 2026

Your guide to Santiago weather in August - trends and predictions

    Temperatures

  • 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 🌧️

  • The climate of Santiago in August is notably wet, with an average of 14 rainy days, and a total of 165.9 mm of precipitation.

Average dry days
17
Dry days
Average rainy days
14
Rainy days
Average snowy days
0
Snow days
Average temperatures
14°/5°
Temperatures
Average wind speed
11 km/h
Avg max wind
Average humidity
57 %
Avg humidity

Santiago Weather August

Move between months or click on a day
July
September
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Sunny
15°
2
Light rain shower
15°
3
Patchy rain possible
16°
4
Sunny
17°
5
Sunny
16°
6
Patchy rain possible
12°
7
Sunny
14°
8
Cloudy
16°
9
Overcast
16°
10
Moderate or heavy rain shower
15°
11
Sunny
18°
12
Sunny
19°
13
Partly cloudy
20°
14
Overcast
20°
15
Overcast
14°
16
Overcast
15°
17
Patchy rain possible
13°
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
 15° /5° 10.9 mm 0 cm
2 Aug. Light rain shower
Light rain shower
 15° /3° 11 mm 0 cm
3 Aug. Patchy rain possible
Patchy rain possible
 16° /5° 1.3 mm 0 cm
4 Aug. Sunny
Sunny
 17° /6° 0 mm 0 cm
5 Aug. Sunny
Sunny
 16° /4° 6.8 mm 0 cm
6 Aug. Patchy rain possible
Patchy rain possible
 12° /3° 6.7 mm 0 cm
7 Aug. Sunny
Sunny
 14° /3° 0 mm 0 cm
8 Aug. Cloudy
Cloudy
 16° /5° 0.1 mm 0 cm
9 Aug. Overcast
Overcast
 16° /4° 0.1 mm 0 cm
10 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
 15° /6° 7.9 mm 0 cm
11 Aug. Sunny
Sunny
 18° /7° 0.1 mm 0 cm
12 Aug. Sunny
Sunny
 19° /8° 0 mm 0 cm
13 Aug. Partly cloudy
Partly cloudy
 20° /8° 0 mm 0 cm
14 Aug. Overcast
Overcast
 20° /6° 0 mm 0 cm
15 Aug. Overcast
Overcast
 14° /6° 4.1 mm 0 cm
16 Aug. Overcast
Overcast
 15° /6° 1.5 mm 0 cm
17 Aug. Patchy rain possible
Patchy rain possible
 13° /5° 4.5 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
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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 165.9 mm is expected in Santiago during August, occurring over more than 14 days. Preparing for wet conditions is recommended in your planning.
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 11.2 °C. At the beginning of August temperatures are around 11.1 °C; by the end of the month they stay fairly steady and reach 11.4 °C.

What is the water temperature in Santiago in August?
The average water temperature in Santiago in August is 11.2 °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 💧

Quick links

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Location coordinates Where is Santiago?

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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