August weather forecast
Santiago, Chile

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Breathtaking view of the cityscape of Santiago, Chile, with the Andean Mountain Ranges in the distance
Breathtaking view of the cityscape of Santiago, Chile, with the Andean Mountain Ranges in the distance

Weather in August

Slowly transitioning towards spring, August in Santiago can be a mixed bag of weather experiences. On one hand, there is an increase in daily maximum temperatures, while on the other, nights continue to be quite chilly. Interestingly, the city waves goodbye to snowfall from August onwards. Days become slightly longer, allowing more time for activities and explorations in Santiago. It's a month of contrasts, with winter receding and spring preparing to take over.

Temperature

During August, the average high-temperature is a mild 13.8°C (56.8°F), maintaining a close resemblance to that of the preceding month. Santiago, during the month of August, experiences an average low-temperature of 3.8°C (38.8°F).

Humidity

In August, the average relative humidity in Santiago is 53%.

Rainfall

In Santiago, Chile, in August, it is raining for 6.5 days, with typically 25mm (0.98") of accumulated precipitation. In Santiago, during the entire year, the rain falls for 45 days and collects up to 190mm (7.48") of precipitation.

Snowfall

January through May, August through December are months without snowfall in Santiago.

Daylight

In August, the average length of the day is 10h and 56min.
On the first day of August in Santiago, Chile, sunrise is at 07:33 and sunset at 18:04. On the last day of the month, sunrise is at 07:00 and sunset at 18:24 -04.

Sunshine

In August, the average sunshine in Santiago is 8.6h.

UV index

The months with the lowest UV index in Santiago are May through September, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: The UV index of 3 during August translates into the following guidance:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
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Frequently asked questions

What is the average August temperature in Santiago?

In August, in Santiago, the average high-temperature is 13.8°C (56.8°F), and the average low-temperature is 3.8°C (38.8°F).

What is the average humidity in August in Santiago?

The average relative humidity in August in Santiago is 53%.

How many days does it rain in August in Santiago?

In August, in Santiago, Chile, the rain falls for 6.5 days. Throughout August, 25mm (0.98") of precipitation is accumulated.

When it does not snow in Santiago?

January through May, August through December are months without snowfall in Santiago.

Does it snow in Santiago in August?

In August, in Santiago, Chile, it doesn't snow. July is the latest month when it typically snows.

What is the average length of the day in August in Santiago?

In August, the average day length is 10h and 56min.

When are sunrise and sunset in August in Santiago?

In August, on the first day of the month, sunrise is at 07:33 and sunset at 18:04. On the last day of the month, in Santiago, sunrise is at 07:00 and sunset at 18:24 -04.

How many hours of sunshine does Santiago have in August?

In August, the average sunshine duration in Santiago is 8.6h.

When is the lowest UV index in Santiago?

May through September, with an average maximum UV index of 3, are months with the lowest UV index in Santiago.

What is the UV index intensity in August in Santiago?

The average daily maximum UV index in August in Santiago, Chile, is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in August
Santiago, Chile

Average temperature in August - Santiago, Chile
  • Average high temperature in August: 13.8°C

The warmest month (with the highest average high temperature) is January (25.5°C).
The month with the lowest average high temperature is July (11.4°C).

  • Average low temperature in August: 3.8°C

The month with the highest average low temperature is January (12.4°C).
The coldest month (with the lowest average low temperature) is July (2.4°C).

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Average pressure in August
Santiago, Chile

Average pressure in August - Santiago, Chile
  • Average pressure in August: 1019.4mbar

The month with the highest atmospheric pressure is July (1019.6mbar).
The month with the lowest atmospheric pressure is February (1014.4mbar).

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Average wind speed in August
Santiago, Chile

Average wind speed in August - Santiago, Chile
  • Average wind speed in August: 8.7km/h

The windiest month (with the highest average wind speed) is June (9.2km/h).
The calmest months (with the lowest average wind speed) are March and April (7.2km/h).

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Average humidity in August
Santiago, Chile

Average humidity in August - Santiago, Chile
  • Average humidity in August: 53%

The month with the highest relative humidity is July (55%).
The months with the lowest relative humidity are March and April (36%).

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Average rainfall in August
Santiago, Chile

Average rainfall in August - Santiago, Chile
  • Average rainfall in August: 25mm

The wettest month (with the highest rainfall) is June (67mm).
The driest months (with the least rainfall) are January, February and March (1mm).

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Average rainfall days in August
Santiago, Chile

Average rainfall days in August - Santiago, Chile
  • Average rainfall days in August: 6.5 days

The month with the highest number of rainy days is June (7.4 days).
The month with the least rainy days is February (0.7 days).

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Average snowfall in August
Santiago, Chile

Average snowfall in August - Santiago, Chile
  • Average snowfall in August: 0mm

The month with the highest snowfall is June (6mm).
The months with the least snowfall are January, February, March, April, May, August, September, October, November and December (0mm).

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Average snowfall days in August
Santiago, Chile

Average snowfall days in August - Santiago, Chile
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is July (0.3 days).
The months with the least snowfall days are January, February, March, April, May, August, September, October, November and December (0 days).

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Average daylight in August /
Average sunshine in August
Santiago, Chile

Average daylight in August / Average sunshine in August - Santiago, Chile
  • Average daylight in August: 10h and 5min

The month with the longest days is December (Average daylight: 14h and 18min).
The month with the shortest days is June (Average daylight: 10h and 0min).

  • Average sunshine in August: 8h and 4min

The month with the most sunshine is February (Average sunshine: 10h and 0min).
The months with the least sunshine are June and July (Average sunshine: 8h and 18min).

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Average sunshine days in August
Santiago, Chile

Average sunshine days in August - Santiago, Chile
  • Average sunshine days in August: 23.3 days

The month with the most sunshine days is March (29.9 days).
The month with the least sunshine days is June (22.2 days).

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Average UV index in August
Santiago, Chile

Average UV index in August - Santiago, Chile
  • Average UV index in August: 3

The months with the highest UV index are January, February, March, November and December (UV index 5).
The months with the lowest UV index are May, June, July, August and September (UV index 3).

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Average cloud cover in August
Santiago, Chile

Average cloud cover in August - Santiago, Chile
  • Average cloud cover in August: 24

The month with the most cloud cover is June (Cloud cover 26).
The month with the least cloud cover is February (Cloud cover 3).

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Average visibility in August
Santiago, Chile

Average visibility in August - Santiago, Chile
  • Average visibility in August: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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Santiago, Chile

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