Monthly climate guide
Mendoza weather in January
Expect very hot weather in Mendoza in January: afternoons reach about 33°C (91°F), while nights drop to around 19°C (65°F). Around 40 mm of rain falls over the month (fairly dry), and skies are a mix of sun and cloud. Daytime highs are about the same as December and 2°C warmer than February.
What stands out in January
- Evenings cool off sharply: the daily range is around 15°C, so pack a layer.
- In Mendoza, January is mid-summer — the seasons are reversed south of the equator.
- Mendoza is usually about 2°C warmer than Córdoba, 470 km away, in January.
- It's wetter than a typical month in Mendoza — roughly 59% more rain than average.
January is typically Mendoza's warmest month.
Avg high
33°C
91°F
Avg low
19°C
65°F
Rainfall
40 mm
fairly dry
Humidity
41%
relative
Sky
39%
cloud · a mix of sun and cloud
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 January
- Light, breathable clothing (cotton or linen)
- A sun hat and high-SPF sunscreen
- A refillable water bottle
- An extra layer — evenings are noticeably cooler than afternoons
- A small travel umbrella, just in case
- Sunglasses
Is January 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 January
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Mendoza weather in January. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/argentina/mendoza/january
<a href="https://weathercompare.eu/weather/argentina/mendoza/january">Mendoza weather in January</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 January"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/argentina/mendoza/january">Mendoza weather in January</a> – WeatherCompare</p>
Mendoza in January: quick answers
Is January a good time to visit Mendoza?
It can be, if you like heat: January highs in Mendoza are around 33°C. Good for the beach; plan sightseeing for early morning and evening.
How warm is Mendoza in January?
Average highs are about 33°C (91°F) and average lows about 19°C (65°F), based on 10 years of daily data.
Does it rain a lot in Mendoza in January?
Mendoza typically gets around 40 mm of rain in January — fairly 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.