Weather in Santiago in August 2025
- August is usually the hottest month of the year in Santiago;
Average weather
Average temperature in Santiago in August
The temperature in August is +33°C on average, with a range between a maximum of +34°C during the day and a minimum of +25°C at night.
The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +34°C to +34°C.
Is Santiago warm or cold in August?
Santiago is typically hot in August.
Maximum temperatures go up compared to the previous month from +32°C to +32°C. The minimum temperature also goes up from +24°C to +24°C.
Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.
August is the hottest month in Santiago, here is the comparison with other months:
Climate in Santiago in August
| July | August | September | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +32°C | +32°C | +31°C | ||||
| Min. temperature | ||||||
| +22°C | +22°C | +22°C | ||||
| Max. temperature | ||||||
| +36°C | +36°C | +36°C | ||||
| Rainfall | ||||||
| 52 mm | 76 mm | 104 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 1 m/s | ||||
| Humidity | ||||||
| 75% | 76% | 78% | ||||
| Air pressure | ||||||
| 1015 HPa | 1014 HPa | 1012 HPa | ||||
| Sunny days | ||||||
| 3 | 3 | 1 | ||||
| Cloudy days | ||||||
| 6 | 4 | 3 | ||||
| Rainy days | ||||||
| 19 | 21 | 22 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
August weather is still as ok as in July. The temperature levels stay the same in the area of +32°C for average maximum temperature during the day. Prepare for more rain. Average rainfall goes from 52 mm to 76 mm. Humidity rises from 75% to 76%. The average wind speed doesn’t change much during August, staying around 2 m/s. The amount of sunny days stay about the same, averaging 3 sunny days during the month.
September brings much the same weather, it remains ok.
Wind
The average wind speed is 2 m/s getting up to 4 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 2 m/s over the course of the month.
Rain
How was the weather last August in Santiago?
Climate Change over Years
The climate in Santiago in August has not changed much over the last 43 years.
The average temperature was the lowest in 1979 (+29°C) and the highest in 1990 (+31°C). The driest year was 2004 with only 403 mm of rainfall, and the wettest year was 1987 with 1025 mm.
FAQ
Is August a good time to visit Santiago?
Can you sunbathe in Santiago in August?
Is Santiago rainy in August?
Is it sunny in Santiago in August?
Other cities in Cuba
Monthly weather in Santiago
Source of the data
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, 2023.
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.
