Monthly climate guide
Mendoza weather in August
August in Mendoza is typically mild, with average daytime highs around 19°C (66°F) and night-time lows near 4°C (39°F). The month usually brings about 8 mm of rain (very dry) and is mostly sunny. Daytime highs are 3°C warmer than July and 3°C cooler than September.
What stands out in August
- Only 2 months are cooler in Mendoza than August.
- Rain is well below Mendoza's usual level (around 68% less).
- Evenings cool off sharply: the daily range is around 15°C, so pack a layer.
- Seasonally, August counts as late winter in Mendoza — the seasons are reversed south of the equator.
Avg high
19°C
66°F
Avg low
4°C
39°F
Rainfall
8 mm
very dry
Humidity
45%
relative
Sky
33%
cloud · mostly sunny
Mendoza weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 33°C / 91°F | 19°C / 65°F | 40 mm | 41% | 39% |
| February | 31°C / 88°F | 17°C / 63°F | 62 mm | 48% | 39% |
| March | 28°C / 83°F | 14°C / 57°F | 33 mm | 49% | 35% |
| April | 24°C / 75°F | 11°C / 51°F | 41 mm | 55% | 40% |
| May | 19°C / 67°F | 7°C / 45°F | 18 mm | 60% | 47% |
| June | 16°C / 61°F | 3°C / 37°F | 5 mm | 54% | 38% |
| July | 16°C / 60°F | 2°C / 36°F | 11 mm | 54% | 40% |
| August | 19°C / 66°F | 4°C / 39°F | 8 mm | 45% | 33% |
| September | 22°C / 72°F | 7°C / 44°F | 5 mm | 42% | 32% |
| October | 26°C / 78°F | 10°C / 50°F | 16 mm | 41% | 39% |
| November | 29°C / 85°F | 14°C / 57°F | 35 mm | 38% | 34% |
| December | 32°C / 90°F | 17°C / 62°F | 28 mm | 36% | 29% |
What to pack for August
- T-shirts plus a light layer for the evening
- Comfortable trainers or sandals for long walks
- An extra layer — evenings are noticeably cooler than afternoons
- Sunglasses
Is August a good time to visit Mendoza?
Compare the months in the chart above to find your ideal window.
Best time to visit Mendoza →Other Argentina cities in August
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Mendoza weather in August. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/argentina/mendoza/august
<a href="https://weathercompare.eu/weather/argentina/mendoza/august">Mendoza weather in August</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/argentina/mendoza" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Mendoza weather in August"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/argentina/mendoza/august">Mendoza weather in August</a> – WeatherCompare</p>
Mendoza in August: quick answers
Is August a good time to visit Mendoza?
Yes. August is one of the best months for Mendoza, with highs around 19°C and about 8 mm of rain.
How warm is Mendoza in August?
Average highs are about 19°C (66°F) and average lows about 4°C (39°F), based on 10 years of daily data.
Does it rain a lot in Mendoza in August?
Mendoza typically gets around 8 mm of rain in August — very dry.
Figures are long-term averages for the area around Mendoza (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.