Rosario Weather in March
In March, Rosario averages a high of 28°C (83°F) and a low of 17°C (62°F), based on 55 years of historical weather data from ROSARIO.
28°C
Average high
83°F
17°C
Average low
62°F
39°C
Record high
102°F · 2023
0°C
Record low
32°F · 1979
What to Expect in Rosario in March
Typical March days in Rosario reach 28°C (83°F) during the afternoon and cool to around 17°C (62°F) overnight. On average, measurable rain falls on about 37% of days this month. Over the past 55 years, March temperatures in Rosario have ranged from a record high of 39°C (2023) down to a record low of 0°C (1979).
For a day-by-day look or other months, see the full Rosario weather history.