Mid-summer · Weather & things to do
Mendoza in January
Mendoza's warmest month brings highs averaging 93°F (34°C), lows of 67°F (19°C) and about 1.9 in (47 mm) of rain.
Its comfort score of 69/100 is still Good, though it ranks 12th of 12 here.
- Avg high
- 93°F (34°C)
- Avg low
- 67°F (19°C)
- Rain
- 1.9 in (47 mm)
- Humidity
- 41%
- Cloud cover
- 38%
- Daylight
- ~13 h 57 min
- Comfort score
- 69/100 · Good
What January feels like
Heat sets the pace, with highs around 93°F (34°C). Get out early and keep the hottest hours for somewhere cool.
Mornings start much cooler: lows average 67°F (19°C), about 15°C (26°F) below the afternoon high.
Rain is moderate at about 1.9 in (47 mm) for the month.
Plan around January
January is one of the lower-scoring months here; the best are April – June and August – October.
- Start of the wettest three-month stretch (January – March), which brings about 5.2 in (133 mm) in total.
- Comfort slips from 76/100 in December to 69/100.
- Our Buenos Aires, Mendoza & Iguazú route recommends Mar – May, Sep – Nov, so January falls outside its suggested window.
What to pack for January
- Light, breathable clothes93°F afternoons
- Sunscreen, sunglasses and a hatstrong sun this month
- Refillable water bottleeasy to dehydrate in the heat
- A warm layer for eveningsnights drop to 67°F
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Mendoza in January
Start early and take shelter at midday: the picks below pair morning outings with places to cool off.
Plaza Independencia
Main square anchoring four smaller plazas; Plaza España has bright Spanish tilework.
Why now January scores 69/100 for comfort, good conditions for being outside.
Mr Hugo Bikes
Long-running bike rental in Maipú for self-guided rides between wineries and olive oil makers.
Why now Highs near 93°F and 1.9 in of monthly rain make this an easy outdoor pick.
Termas Cacheuta
Thermal pools in the Mendoza River canyon on the road to the Andes.
Why now One to do outside while the weather is on your side.
Trapiche
Large Maipú estate in a restored 1912 building, with tours and a garden restaurant.
Why now Go early — afternoons average 93°F.
Parque General San Martín
Huge park west of downtown with a lake, rose garden and Cerro de la Gloria monument.
Why now Best first thing, before the 93°F afternoon heat.
Nearby in January
- Valle de Uco in January~54 mi · highs 90°F, 1.3 in rain · 2°C (3°F) cooler by day, drier
NASA POWER 2001–2025 monthly averages on a ~50 km grid, temperatures adjusted from the grid cell's ~918 m to Mendoza's ~769 m elevation (standard lapse rate). Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Mendoza in January: quick answers
Is January a good time to visit Mendoza?
It's one of the tougher months here, scoring 69/100, held back mainly by heat. The best months are April – June and August – October. Expect highs of 93°F (34°C) and 1.9 in (47 mm) of rain. Our Buenos Aires, Mendoza & Iguazú route recommends Mar – May, Sep – Nov, so January is outside its suggested window.
How hot is Mendoza in January?
Average highs are 93°F (34°C) and average lows 67°F (19°C), making it the warmest month by daytime highs.
Does it rain a lot in Mendoza in January?
Not much: about 1.9 in (47 mm) of rain falls across January on average, the 2nd-wettest month of the year. The annual total is about 11.5 in (292 mm).
What should I pack for Mendoza in January?
Bring light, breathable clothes (93°F afternoons), sunscreen, sunglasses and a hat (strong sun this month), refillable water bottle (easy to dehydrate in the heat), a warm layer for evenings (nights drop to 67°F) and comfortable walking shoes (most places below are best reached on foot or with short walks).
Planning Mendoza in January?
Bring the crew into one shared trip: vote on dates, build the day-by-day plan, split costs and share one packing list.