In April, St. John's typically sees daytime highs of 5.4°C and overnight lows around -1.4°C. Compared to the annual average high of 9.1°C, April runs -3.7°C.
April in St. John's averages a daytime high of 5.4°C and an overnight low of -1.4°C.
April runs -3.7°C compared to St. John's's annual average high of 9.1°C, ranking #8 of 12 months by warmth.
Plan for daytime highs near 5.4°C and cooler evenings around -1.4°C.