Pack or skip
Insect repellent for Jacksonville in October
Verdict
Pack it
Warm (80°F) plus 7 rainy days = mosquito conditions.
Why
Jacksonville in October averages highs of 80°F, lows of 62°F, 7 rainy days.
That climate means insect repellent earns its space in the bag. Warm (80°F) plus 7 rainy days = mosquito conditions.