In March, Rio Grande typically sees daytime highs of 25.8°C and overnight lows around 19.1°C. Compared to the annual average high of 21.7°C, March runs +4.1°C.
March in Rio Grande averages a daytime high of 25.8°C and an overnight low of 19.1°C.
March runs +4.1°C compared to Rio Grande's annual average high of 21.7°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 25.8°C and cooler evenings around 19.1°C.