Cool
Average highs are around -4°C, so pack for cooler days.
Weather Guide
Aconcagua, Argentina Average Monthly Weather
Weather score44Mixed annual avg
Best months: December, January, November
Across the year, average daytime temperatures are around 2°C, sunshine averages 8.3h per day, and rainfall totals about 522mm.
Annual weather
Annual averages
Temp
2°C
Rain
522mm
Annual total
Sun
8.3h
Weather score
44
Mixed avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 55mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 6h per day, enough for a balanced month.
Map
Weather map
Compare Aconcagua, Argentina with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
July-4°C average high
July has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsJanuary to March and December
This stretch sets the upper range for average daytime heat.
Rain
July55mm average rain
July sits near Aconcagua's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to April and September to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
July6 hours average sun
July is below Aconcagua's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsJanuary to March and November to December
This stretch has the strongest sunshine in the monthly averages.
Weather score
July39 weather score
July scores below Aconcagua's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJanuary to April and September to December
These months have the strongest weather score in the monthly averages.
