In April, Oshawa typically sees daytime highs of 10.5°C and overnight lows around 1.1°C. Compared to the annual average high of 11.9°C, April runs -1.4°C.
April in Oshawa averages a daytime high of 10.5°C and an overnight low of 1.1°C.
April runs -1.4°C compared to Oshawa's annual average high of 11.9°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 10.5°C and cooler evenings around 1.1°C.