Do I need a jacket in Jacksonville in May?

Probably not for daytime — highs average around 86°F. A light layer for air-conditioned interiors is enough.

How hot does Jacksonville get in May?

Daytime highs average around 86°F. Lean toward breathable fabrics like cotton and linen, and bring sun protection.

Packing List

Pack light cottons and sun protection for Jacksonville's 86°F May highs and warming 65°F nights.

Averages 6586°F, ~9 days of rain

Edited by ForecastStyle·Last updated April 7, 2026

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Outerwear

Oatmeal Long Knit Duster Cardigan

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Outerwear

The Fireside Plaid Blazer in Green

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Footwear

Metallic Gold Foldable Travel Ballet Flats

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Footwear

Black Low Block-Heel Slingback Flats

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Tops

Ivory Lace-Trim Satin Slip Cami

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Tops

Cozy Ribbed Knit Black Sweater

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May features the Jacksonville Jazz Festival; wear very light, breathable clothing for the 86°F downtown heat.

The ocean water is finally warm enough for most swimmers by late May at Jacksonville Beach.

Expect afternoon clouds to build up frequently, even if it doesn't rain on all of the 9 average precip days.

Probably not for daytime — highs average around 86°F. A light layer for air-conditioned interiors is enough.
Expect afternoon clouds to build up frequently, even if it doesn't rain on all of the 9 average precip days.
Daytime highs average around 86°F. Lean toward breathable fabrics like cotton and linen, and bring sun protection.