Do I need a jacket in Jacksonville in August?

Probably not for daytime — highs average around 91°F. A light layer for air-conditioned interiors is enough.

How hot does Jacksonville get in August?

Daytime highs average around 91°F. Lean toward breathable fabrics like cotton and linen, and bring sun protection.

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Breathable mesh top
Maximum ventilation is needed for Jacksonville's 91°F August heat and thick humidity in Riverside.
Lightweight athletic shorts
Stay comfortable during the 14 rain days in August when you need clothes that dry quickly in 91°F air.
Linen sundress
A breezy choice for navigating the 91°F heat at the St. Johns Town Center outdoor mall.
Thin cotton pajamas
Jacksonville's 74°F nights stay very humid in August; light sleepwear is essential for comfort.

Quick-dry sandals
The 14 rain days in August make quick-dry footwear a necessity for any Jacksonville outing.
Vented walking shoes
Keep your feet as cool as possible during 91°F August days at the Jacksonville Zoo.
Flip-flops for the shower/beach
Ideal for Neptune Beach where 91°F sun and 14 rain days make for a wet, sandy environment.

Zinc-based sunscreen
Stronger protection for the intense 91°F August sun at Jacksonville Beach.
Dehumidifying packets
Use in your luggage to keep clothes from smelling damp during 14 days of Jacksonville rain and humidity.
Polarized shades
Protect your eyes from the harsh August glare off the St. Johns River at 91°F.

Large golf umbrella
With 14 rain days, a large umbrella is needed to cover you and your bags during heavy Jacksonville downpours at 91°F.
Emergency rain poncho
Always keep one in your car or bag for the sudden 91°F August storms that hit the First Coast.
Microfiber quick-dry towel
August in Jacksonville averages 14 rain days and 91°F highs — a quick-dry towel doubles as both a beach essential at Jacksonville Beach and a fast-dry option after an afternoon downpour.

August is the peak of hurricane season; stay tuned to local Jacksonville weather reports during your 14-day rain window.

The humidity in August makes 91°F feel closer to 105°F; limit heavy physical activity to the early morning hours.

Take advantage of Jacksonville's air-conditioned indoor spaces like the Cummer Museum during 91°F afternoon heat.

Probably not for daytime — highs average around 91°F. A light layer for air-conditioned interiors is enough.
August is the peak of hurricane season; stay tuned to local Jacksonville weather reports during your 14-day rain window.
Daytime highs average around 91°F. Lean toward breathable fabrics like cotton and linen, and bring sun protection.

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