Mendoza weather in August

August in Mendoza: cool, dry, with clean air — an excellent time to visit.

#10 of 12 months in Mendoza · #237 of 604 destinations to visit in August · comfort 83/100 (tier A)

Updated June 2026 · climate normals from ERA5 reanalysis

Mendoza climate normals — August

Daytime high17°C / 63°F🙂 cool
Nighttime low4°C / 40°F
Feels like (high)14°C / 57°F
Rainfall9 mm / 0.4 in☀️ dry
Rainy days2 days
Humidity50%🍃 comfortable
Dew point0°C / 31°F
Sunshine9.7 h/day
Daylight10.9 h
Wind14 km/h / 9 mph
Snowfall0.2 cm / 0.1 in
Air quality (US AQI)31🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Where is Mendoza?

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Mendoza in August — FAQ

Is August a good time to visit Mendoza?
August in Mendoza: cool, dry, with clean air — an excellent time to visit. It ranks #10 of 12 months for Mendoza on SeasonMap's comfort score (83/100).
What is the weather like in Mendoza in August?
In August, Mendoza averages a daily high of 17.2°C and a low of 4.2°C, with about 9.1 mm of rain over roughly 2.2 rainy days.
What is the air quality in Mendoza in August?
Mendoza has a mean US Air Quality Index of about 31 in August.

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