In April, Castanhal typically sees daytime highs of 30.6°C and overnight lows around 22.3°C. Compared to the annual average high of 31.7°C, April runs -1.1°C.
April in Castanhal averages a daytime high of 30.6°C and an overnight low of 22.3°C.
April runs -1.1°C compared to Castanhal's annual average high of 31.7°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 30.6°C and cooler evenings around 22.3°C.