In March, Niteroi typically sees daytime highs of 30.4°C and overnight lows around 22.2°C. Compared to the annual average high of 27.8°C, March runs +2.6°C.
March in Niteroi averages a daytime high of 30.4°C and an overnight low of 22.2°C.
March runs +2.6°C compared to Niteroi's annual average high of 27.8°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 30.4°C and cooler evenings around 22.2°C.