In April, Chattanooga typically sees daytime highs of 21.1°C and overnight lows around 8.0°C. Compared to the annual average high of 20.2°C, April runs +1.0°C.
April in Chattanooga averages a daytime high of 21.1°C and an overnight low of 8.0°C.
April runs +1.0°C compared to Chattanooga's annual average high of 20.2°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 21.1°C and cooler evenings around 8.0°C.