Jacksonville in December
In December, Jacksonville averages 20°C (68°F) during the day and 12°C (53°F) at night, with around 13 days of rain (69 mm total).
Peak seasonConditions are comfortable for sightseeing without being sweltering. Plan for unsettled weather and bring rain gear.
December offers comfortable temperatures in Jacksonville, with some rain to plan around.
How December compares to the rest of the year in Jacksonville
December is one of the coolest months in Jacksonville (11th of 12) and one of the driest months (10th of 12). Daytime temperature runs 6°C below the annual average (26°C). December runs 2°C cooler than November (22°C) and cools 2°C in January (18°C).
December sunrise & sunset in Jacksonville
Times shown for Jacksonville local time (America/New_York), calculated for the 15th of December. They shift by a few minutes day to day across the month.
Photography light in Jacksonville — December
Golden-hour and blue-hour windows for the 15th of December, in Jacksonville's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Jacksonville in December
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on December's tier (Peak season) and Jacksonville's popularity.
December in United States — events that affect travel
Known cultural, religious, or national events that surge prices, fill hotels, or close businesses during this month. Plan around them, or build your itinerary around the ones you'd like to see.
Major travel surge plus widespread Dec 24-26 and Jan 1 business closures.
Plan: Book flights and hotels well ahead; expect many restaurants/shops closed Dec 25 and Jan 1.
Crowds & pricing — December in Jacksonville
Jacksonville is in peak season during this month — expect bigger crowds at famous sights, higher hotel and flight prices, and longer queues. Restaurant reservations a few days out are advisable, and any boutique hotels you have your eye on should be booked weeks ahead. The trade-off: most attractions, restaurants, and seasonal services are fully open, the weather is at its most reliable, and the city feels at its most alive.
Why this tier: excellent tourism weather Christmas / New Year travel surge
Sun & mosquito risk — December in Jacksonville
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Jacksonville in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 18°C / 64°F | 9°C / 47°F | 63 mm | 12 | — |
| February | 21°C / 69°F | 11°C / 53°F | 77 mm | 13 | — |
| March | 23°C / 74°F | 14°C / 56°F | 66 mm | 12 | — |
| April | 26°C / 79°F | 17°C / 62°F | 79 mm | 14 | — |
| May | 29°C / 84°F | 20°C / 68°F | 83 mm | 17 | — |
| June | 31°C / 88°F | 23°C / 74°F | 159 mm | 25 | — |
| July | 32°C / 89°F | 24°C / 76°F | 165 mm | 28 | — |
| August | 31°C / 88°F | 25°C / 76°F | 177 mm | 28 | — |
| September | 29°C / 85°F | 23°C / 73°F | 179 mm | 23 | — |
| October | 26°C / 79°F | 19°C / 66°F | 74 mm | 16 | — |
| November | 22°C / 71°F | 14°C / 57°F | 69 mm | 14 | — |
| December | 20°C / 68°F | 12°C / 53°F | 69 mm | 13 | — |
Other cities with similar December weather
🌍 See the full ranked list of climate twins for Jacksonville in December →
Frequently asked questions
How hot is Jacksonville in December?
In December, Jacksonville averages a high of 20°C (68°F) and a low of 12°C (53°F) — generally mild and pleasant.
Does it rain a lot in Jacksonville in December?
December can be fairly wet in Jacksonville, with about 13 rainy days on average.
Is December a good time to visit Jacksonville?
December is mild and pleasant. It suits travelers who are comfortable with mild and pleasant weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Jacksonville in December?
Pack light layers for warm days and cooler evenings, plus a compact umbrella or rain jacket. See the full December packing list for Jacksonville for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.