Weather in Mendoza in August 2025
Average weather
Average temperature in Mendoza in August
Going from a maximum of +81°F during the day to a minimum of +36°F during the night, the temperature in August averages around +66°F.
The average maximum temperature goes down 32% by the end of the month, compared with the beginning of the month, from +81°F to +66°F.
Is Mendoza warm or cold in August?
Mendoza is typically mild in August.
Maximum temperatures go up compared to the previous month from +55°F to +63°F. The minimum temperature also goes up from +37°F to +41°F.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how August is compared to other months in Mendoza:
Climate in Mendoza in August
| July | August | September | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +55°F | +63°F | +68°F | ||||
| Min. temperature | ||||||
| +18°F | +23°F | +27°F | ||||
| Max. temperature | ||||||
| +79°F | +90°F | +91°F | ||||
| Rainfall | ||||||
| 21 mm | 23 mm | 30 mm | ||||
| Wind | ||||||
| 1 m/s | 1 m/s | 2 m/s | ||||
| Humidity | ||||||
| 67% | 58% | 53% | ||||
| Air pressure | ||||||
| 1017 HPa | 1016 HPa | 1015 HPa | ||||
| Sunny days | ||||||
| 17 | 18 | 16 | ||||
| Cloudy days | ||||||
| 8 | 6 | 5 | ||||
| Rainy days | ||||||
| 5 | 6 | 8 | ||||
| Snowy days | ||||||
| 1 | 1 | 0 | ||||
August often has better weather than July. It’s getting warmer as August arrives. The average maximum temperature goes up from +55°F to +63°F during the day. Prepare for more rain. Average rainfall goes from 21 mm to 23 mm. It feels drier, as humidity decreases from 67% to 58%. The average wind speed doesn’t change much during August, staying around 1 m/s. The good news is there are likely to be more sunny days in August, from 17 to 18.
Next month (September) brings a further decline in the weather.
Wind
The average wind speed is 2 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Mendoza is gradually increasing during August, going from 1 m/s to 3 m/s over the course of the month.
Rain
Snow
August is one of the snowiest months in Mendoza.
Here’s how August is compared with other months in the amount of snow, total mm:
How was the weather last August in Mendoza?
Climate Change Over the Years
The climate in Mendoza in August has not changed that much over the last 43 years.
The average temperature was the lowest in 1984 (+68°F) and the highest in 2023 (+76°F). The driest year was 2003 with only 151 mm of rainfall, and the wettest year was 1984 with 844 mm.
FAQ
Is August a good time to visit Mendoza?
Can you sunbathe in Mendoza in August?
Is Mendoza rainy in August?
Is it sunny in Mendoza in August?
Other cities in Argentina
Monthly weather in Mendoza
Source of the data
For this page, we’ve looked at the typical weather in Mendoza, 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.