In April, Kennewick typically sees daytime highs of 18.1°C and overnight lows around 3.7°C. Compared to the annual average high of 17.9°C, April runs +0.2°C.
April in Kennewick averages a daytime high of 18.1°C and an overnight low of 3.7°C.
April runs +0.2°C compared to Kennewick's annual average high of 17.9°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 18.1°C and cooler evenings around 3.7°C.