
Black Blazer Pleated Rain
A black blazer over an ivory blouse and pleated maxi skirt in warm rain is complete formal coverage. Black mule heels are the practical formal choice when espadrilles are off the table.
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In December, Jacksonville averages 45–66°F with about 8 rainy days and the mild North Florida winter that makes it one of the more pleasant Southern December destinations. Evenings cool to the upper 40s, so a proper jacket is needed after dark — a fact that catches visitors expecting Florida warmth year-round. Jacksonville Beach in December is beautiful for a coastal winter walk, though the Atlantic wind makes the waterfront 5–8°F cooler than inland temperatures.
top / Short-Sleeve Top
classic tee
bottom / Jeans
straight-leg
chinos for a slightly smarter look
footwear / Waterproof Boots
ankle boots
rubber sole for traction — keep feet dry all day
outerwear / Rain Jacket
shell jacket
waterproof or DWR-treated — keep it packable
Based on typical December conditions in Jacksonville. Weather varies year to year — check the live forecast when you're within two weeks of your trip.
Navigating Jacksonville's December weather requires a smart approach to dressing, as the month presents a distinct shift towards cooler temperatures compared to Florida's perpetual warmth. Expect average daytime highs to hover comfortably in the low to mid-60s Fahrenheit (16-19°C), often accompanied by pleasant sunshine. However, evenings and early mornings see a significant drop, with temperatures frequently dipping into the low 40s (4-7°C), and occasionally even brushing the upper 30s (around 3°C), bringing a real chill to the air. While December is generally one of Jacksonville's drier months, occasional rain showers are still possible, so don't completely rule out a light, water-resistant layer. The key to comfortably enjoying Jacksonville in December is layering. Start with long-sleeved tops or light sweaters that can be easily shed if the midday sun makes an appearance. A versatile medium-weight jacket—think a denim jacket, a stylish bomber, or a comfortable peacoat—is essential for evenings and cooler days. For bottoms, jeans or smart trousers are perfect. Pack closed-toe shoes or ankle boots to keep your feet warm, especially if you plan on exploring downtown or riverside areas. A scarf can be a stylish and practical addition, providing extra warmth when needed.

A black blazer over an ivory blouse and pleated maxi skirt in warm rain is complete formal coverage. Black mule heels are the practical formal choice when espadrilles are off the table.

A black longline parka over a crewneck sweatshirt in warm rain has a deliberateness that works. Ivory satin mules and a cream beanie are the contrasts that make it.

A black rain jacket over ivory linen trousers refuses to look sloppy in warm rain. Espadrilles and a crochet bucket hat keep the warm-weather mood alive below the waterline.

A light wash denim jacket over a denim mini skirt makes a strong case for double denim in warm rain. The black square neck top underneath adds structure.

A blush cropped jacket over a white linen blouse and ivory wide-leg trousers refuses to look heavy in warm rain. Tortoiseshell cat-eye sunglasses are the editorial punctuation.

A white linen blazer over matching wide-leg linen trousers and a blue collarless blouse stays entirely polished through warm rain. Slide sandals and gold aviators make it feel like summer despite the drizzle.

A yellow hooded rain jacket over biker shorts and a longline tee handles warm rain with high-visibility attitude. Ivory pointed-toe mules are the surprising finishing note.
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What to Pack for Jacksonville in December →
In December, layer your outfits for Jacksonville. Days are often mild in the low to mid-60s°F (16-19°C), suitable for long-sleeved tops or light sweaters. Evenings and mornings are colder, dipping into the 40s°F (4-7°C), so a medium-weight jacket, jeans, and closed-toe shoes are essential. A scarf or light hat can also be beneficial for added warmth.
Jacksonville can feel distinctly chilly in December, especially during evenings and early mornings when temperatures frequently drop into the low 40s°F (4-7°C). While daytime highs are generally pleasant in the 60s°F (16-19°C), it's far from the warm Florida stereotype, requiring proper cooler-weather attire. Be prepared for a significant temperature swing throughout the day.
December is one of Jacksonville's drier months, so heavy, persistent rain is less common than during summer. However, occasional light showers or brief periods of rain are still possible. It's wise to include a light, water-resistant jacket or a compact umbrella in your packing to be prepared for any unexpected precipitation.
For Jacksonville in December, pack versatile layers: long-sleeved tops, sweaters, and a medium-weight jacket or coat for colder evenings. Include jeans or comfortable trousers, and closed-toe shoes or ankle boots. Don't forget accessories like a scarf for extra warmth and a light umbrella, just in case of brief rain showers.
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