In June, Jacksonville typically sees daytime highs of 29.9°C and overnight lows around 18.3°C. Compared to the annual average high of 22.6°C, June runs +7.2°C.
June in Jacksonville averages a daytime high of 29.9°C and an overnight low of 18.3°C.
June runs +7.2°C compared to Jacksonville's annual average high of 22.6°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 29.9°C and cooler evenings around 18.3°C.