December in St Augustine brings a gentle shift from summer heat to mild coastal winter weather. Average highs cool into the low 70s°F, lows dip into the 50s°F, and Atlantic breezes keep the historic streets comfortable for walking and photography.
Below is a quick reference for what to expect, followed by deeper guidance on planning, packing, and activities tailored to this season.
| Metric | Typical Value | What It Means for Visitors |
|---|---|---|
| Average High Temperature | 71°F (22°C) | Ideal for daytime sightseeing and outdoor dining |
| Average Low Temperature | 52°F (11°C) | Cool evenings; bring a light jacket |
| Average Rainfall | 2.8 inches (71 mm) | Drier than summer; brief showers possible |
| Average Sunshine Hours | 7 hours per day | Plenty of daylight for exploration |
| Sea Temperature | 62°F (17°C) | Refreshing but possible with a wetsuit |
Coastal Climate And Local Influences
St Augustine sits on Florida's Atlantic coast, so December is moderated by the ocean. While inland areas can see sharper drops, the city stays milder than many parts of the state. Cold snaps are occasional but brief, with most days feeling pleasantly crisp rather than harsh.
The subtropical influence keeps December from feeling truly wintry. You might notice morning fog and occasional northerly winds, but sunny afternoons dominate. This mix of coastal moderation and seasonal freshness defines the character of a St Augustine December.
Local events and holiday decorations often highlight this climate balance, encouraging outdoor strolling during the day and cozy indoor evenings. Understanding these patterns helps you choose the right layers and activities for each hour.
What To Wear And Pack
Think layered dressing: lightweight sweaters, long-sleeve shirts, and a breathable base. Daytime calls for comfortable walking shoes, while evenings may require a medium-weight jacket or windbreaker. Sunglasses are useful for bright, clear days.
Pack a compact umbrella or rain jacket for the occasional shower, and consider water-resistant footwear for historic brick streets after rain. Sunscreen remains important even in winter, especially near the water and during midday hours.
Visitors coming from warmer climates may find December pleasantly mild, while those from colder regions will appreciate the lack of heavy snow or freezing temperatures. Accessories like hats and scarves are optional but useful on windier days.
Outdoor Activities In December
With comfortable temperatures and lower humidity, December is an excellent time for outdoor exploration in St Augustine. Historic site tours, fort visits, and harbor walks are particularly enjoyable without summer heat and humidity.
Beachgoers can still walk the shoreline, but swimming is generally limited to the bravest. Kayaking, paddleboarding, and boat tours remain popular, especially on calm, clear days. Cool evenings are perfect for outdoor dining on brick-patio restaurants.
Natural areas like Anastasia State Park offer hiking and wildlife viewing, and the mild weather makes it easier to spot birds and coastal plants. Remember that some attractions may have shorter daylight hours, so plan timing accordingly.
Planning Your Trip Timing
December sits in the shoulder season, meaning fewer crowds than peak winter holidays and better availability than summer. Early December often feels like high season, while late December can align with holiday events and higher prices.
Weekday visits generally offer a more relaxed pace at attractions, while weekends bring a festive atmosphere. Monitoring local event calendars helps you coordinate visits around festivals, holiday markets, and seasonal illuminations.
Booking accommodations and tours in advance is wise around holiday weekends, but flexible dates can yield better value and availability throughout most of December.
Smart Planning For St Augustine Weather
- Check daily forecasts and bring layers for morning, afternoon, and evening differences.
- Schedule outdoor activities for mid-morning to early afternoon when temperatures are warmest.
- Pack versatile clothing that transitions easily from sightseeing to evening dining.
- Monitor event calendars to align visits with holiday markets, festivals, and illuminations.
- Book key accommodations and tours early for holiday weekends and popular dates.
- Use waterproof footwear and a compact umbrella for brief winter showers.
- Allow flexible downtime in case weather shifts or special events affect traffic and hours.
FAQ
Reader questions
Is December a good time to visit St Augustine for families? Yes, December is a great family month with mild weather, holiday events, and easier navigation than peak summer. Just plan for layers and check hours for attractions and dining. What temperature should I expect during a December afternoon in St Augustine?
Afternoon highs typically range from 68°F to 73°F, making it comfortable for walking, touring, and outdoor meals before evening cools down.
Should I pack a raincoat even if the forecast looks clear?
Yes, a compact raincoat or travel umbrella is recommended, as December can bring brief, unpredictable showers typical of Florida’s transitional season.
Can I swim at the beaches in St Augustine in December?
Swimming is usually too cold for most people in December, as sea temperatures average around 62°F, but some hardy visitors do take short dips with proper acclimation.