In April, Saint Joseph typically sees daytime highs of 18.5°C and overnight lows around 5.4°C. Compared to the annual average high of 17.6°C, April runs +0.9°C.
April in Saint Joseph averages a daytime high of 18.5°C and an overnight low of 5.4°C.
April runs +0.9°C compared to Saint Joseph's annual average high of 17.6°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 18.5°C and cooler evenings around 5.4°C.