In March, Rosario typically sees daytime highs of 27.5°C and overnight lows around 15.5°C. Compared to the annual average high of 23.7°C, March runs +3.9°C.
March in Rosario averages a daytime high of 27.5°C and an overnight low of 15.5°C.
March runs +3.9°C compared to Rosario's annual average high of 23.7°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 27.5°C and cooler evenings around 15.5°C.