Mendoza Weather in January
January in Mendoza brings very high temperatures around 31°C (88°F) during the day, dropping to 18°C (64°F) at night, with quite a bit of rainfall expected, averaging around 75 mm (3 in) for the month.
Rainfall in Mendoza in January
Typically, you can expect about 6 days of rain this month, with 75 mm (3 in) on average. When rain does fall this month, it tends to come down hard. The low number of rain days makes each shower more significant.
Temperature in Mendoza in January
Expect highs of 31°C (88°F) in Mendoza in January, with nights dropping to around 18°C (64°F). Mornings and evenings are often more comfortable than the peak afternoon hours. At 18°C (64°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping. With these average temperatures, expect occasional spikes in warmth. Wear light fabrics and stay cool by hydrating regularly.
Sunshine in Mendoza in January
Expect a lot of sunshine this month, with about 311 hours of sun. These sunny conditions add to the overall experience.
Wind Speed in Mendoza in January
January has wind speeds averaging 1 m/s (2 knots). You can expect very gentle conditions with light air movement on typical days. Since this is an average, daily weather varies from perfectly still moments to some breezier days.If you prefer dry days with pleasant temperatures, January may not be the ideal month to visit Mendoza. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Argentina, check out our Mendoza's climate page.
Mendoza Temperature in January
Daily Historical Temperatures
51-year average (1976-2026)
Based on our historical records, temperatures in Mendoza typically stay consistent throughout January, with daily highs averaging around 31°C (88°F). Nights are pleasant, with lows around 20°C (68°F).
Average temperatures in January
Daily Historical Precipitation
51-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in January
Historical weather for Mendoza in January
Browse day-by-day weather records for Mendoza spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Mendoza historical weather extremes in January
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Mendoza.
- On January 30, 2003, temperatures climbed to 44°C (111°F), marking the warmest January day on record.
- The lowest daytime temperature in January was 16°C (61°F), recorded on January 18, 2022.
- Nighttime temperatures dropped to 8°C (46°F) on January 31, 2005, marking the coldest January night on record.
Best Places in Argentina in January
Find out more about the weather in Argentina and which places have the best travel conditions in this month. See all of Argentina in January →
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What to Wear in Mendoza in January
Warm but pleasant conditions in Mendoza in January. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Wet weather is likely, so pack waterproof gear for multiple rainy days. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Mendoza in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Argentina, check out our Mendoza's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Mendoza climate overview or explore weather in Argentina.