In March, Jacksonville typically sees daytime highs of 17.9°C and overnight lows around 5.0°C. Compared to the annual average high of 22.6°C, March runs -4.7°C.
March in Jacksonville averages a daytime high of 17.9°C and an overnight low of 5.0°C.
March runs -4.7°C compared to Jacksonville's annual average high of 22.6°C, ranking #9 of 12 months by warmth.
Plan for daytime highs near 17.9°C and cooler evenings around 5.0°C.