Cool
Average highs are around 18°C, so pack for cooler days.
Weather Guide
Rosario, Argentina Average Monthly Weather
Weather score60Good annual avg
Best months: January, February, December
Across the year, average daytime temperatures are around 24°C, sunshine averages 7.4h per day, and rainfall totals about 998mm.
Annual weather
Annual averages
Temp
24°C
Rain
998mm
Annual total
Sun
7.4h
Weather score
60
Good avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 34mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 6.1h per day, enough for a balanced month.
Map
Weather map
Compare Rosario, Argentina with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August18°C average high
August is on the cooler side of Rosario's year, useful if you prefer less intense daytime heat.
Warmest monthsJanuary to February and December
This stretch sets the upper range for average daytime heat.
Rain
August34mm average rain
August is one of Rosario's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsMay to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August6.1 hours average sun
August is below Rosario's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsJanuary to February and November to December
This stretch has the strongest sunshine in the monthly averages.
Weather score
August45 weather score
August scores below Rosario's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJanuary to February and November to December
These months have the strongest weather score in the monthly averages.
