In April, Niteroi typically sees daytime highs of 28.1°C and overnight lows around 20.2°C. Compared to the annual average high of 27.8°C, April runs +0.2°C.
April in Niteroi averages a daytime high of 28.1°C and an overnight low of 20.2°C.
April runs +0.2°C compared to Niteroi's annual average high of 27.8°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 28.1°C and cooler evenings around 20.2°C.