In June, Rio das Ostras typically sees daytime highs of 24.8°C and overnight lows around 17.4°C. Compared to the annual average high of 26.8°C, June runs -2.0°C.
June in Rio das Ostras averages a daytime high of 24.8°C and an overnight low of 17.4°C.
June runs -2.0°C compared to Rio das Ostras's annual average high of 26.8°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 24.8°C and cooler evenings around 17.4°C.