Will I be cold?
Will I be cold in Jacksonville in July?
Verdict
No — No, comfortable.
Lows stay near 74°F — you won't be reaching for the puffer.
Day vs. night
Day
92°F
Hot
Prioritize shade, hydration, and a brim.
Night
74°F
Warm
Still warm enough for a T-shirt after dark.
Why
Jacksonville in July averages highs of 92°F, lows of 74°F, 14 rainy days.
You can pack for the daytime temps and not worry about the evening dip.