In March, Santos typically sees daytime highs of 28.2°C and overnight lows around 21.4°C. Compared to the annual average high of 25.6°C, March runs +2.6°C.
March in Santos averages a daytime high of 28.2°C and an overnight low of 21.4°C.
March runs +2.6°C compared to Santos's annual average high of 25.6°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 28.2°C and cooler evenings around 21.4°C.