Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
December verdict
Rosario, Argentina in December
Weather score79Very good
Very good for holiday weather
Average highs sit around 30°C, giving warm days by monthly-average standards. Sunshine averages 9.1h per day, so bright days are a strong part of the month. Rainfall averages 109mm, so some wet days are possible.
December weather
Monthly averages
Temp
30°C
Rain
109mm
Sun
9.1h
Weather score
79
Very good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 109mm, so some wet days are possible.
Bright
Sunshine averages 9.1h per day, so bright days are a strong part of the month.
Map
Weather map
Compare Rosario, Argentina with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December30°C average high
December is one of Rosario's warmest months, with daytime heat above the yearly average.
Warmest monthsJanuary to February and December
This stretch sets the upper range for average daytime heat.
Rain
December109mm average rain
December is wetter than Rosario's yearly average, so flexible plans matter more.
Driest monthsMay to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
December9.1 hours average sun
December is brighter than Rosario's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsJanuary to February and November to December
This stretch has the strongest sunshine in the monthly averages.
Weather score
December79 weather score
December is one of Rosario's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJanuary to February and November to December
These months have the strongest weather score in the monthly averages.
