Rosario Climate by Month
The temperature in Rosario can vary greatly throughout the year.
The temperatures shift from very warm
to mild.
It also has a notably wet climate with much precipitation.
Let's now guide you through the climate details for a complete overview.
Average day and night temperature
Depending on the time of the year, temperatures range from very warm to moderate in Rosario. Average daytime temperatures range from a very warm 31°C in January, the warmest time of the year, to a moderate 17°C during cooler months like July. At night, temperatures typically average around 6°C during these months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Rosario has a relatively rainy climate with high precipitation levels, averaging 1082 mm of rainfall annually. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, March receives high rainfall, averaging 130 mm of precipitation, recorded across 9 rainy days. In contrast, the drier season, July brings less rainfall, with 37 mm over 5 rainy days.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
Seasonal changes in sunshine hours are quite dramatic in Rosario. While January receives considerable daily sunshine with up to 9.8 hours, June marks the darkest time of the year, where sunshine is scarce with only 4.7 hours of sunlight per day.Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Average humidity
The relative humidity is moderate throughout the year in Rosario.
Relative humidity over the year
Average wind speed
The mean wind speed over the year in Rosario ranges from 3°C in February to 5°C in September.
The mean monthly wind speed over the year (meters per second)
The best time of year to visit Rosario in Argentina
During the months of April, May, September and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
January has an average maximum temperature of 31°C and is the warmest month of the year.
The coldest month is July with an average maximum temperature of 17°C.
March tops the wettest month list with 130 mm of rainfall.
July is the driest month with 37 mm of precipitation.
January is the sunniest month with an average of 294 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
