St. Petersburg (FL) in December

In December, St. Petersburg (FL) averages 23°C (73°F) during the day and 16°C (60°F) at night, with around 10 days of rain (76 mm total).

Peak season

Conditions are comfortable for sightseeing without being sweltering. Plan for unsettled weather and bring rain gear.

December offers comfortable temperatures in St. Petersburg (FL), with some rain to plan around.

23°C
Avg high
16°C
Avg low
10
Rain days
76 mm
Rainfall

How December compares to the rest of the year in St. Petersburg (FL)

11th
warmest month of the 12
12th
wettest month of the 12
7%
of yearly rainfall falls in December
10 h 24 min
daylight on the 15th

December is one of the coolest months in St. Petersburg (FL) (11th of 12) and one of the driest months (12th of 12). Daytime temperature runs 4°C below the annual average (27°C). December runs 2°C cooler than November (25°C) and cools 3°C in January (20°C).

December sunrise & sunset in St. Petersburg (FL)

🌅
Sunrise (15th)
7:13 AM
🌇
Sunset (15th)
5:37 PM
Day length
10 h 24 min

Times shown for St. Petersburg (FL) 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 St. Petersburg (FL) — December

Golden-hour and blue-hour windows for the 15th of December, in St. Petersburg (FL)'s local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
6:13 AM – 6:53 AM
🌄 Golden hour (AM)
6:53 AM – 7:53 AM
🌇 Golden hour (PM)
4:57 PM – 5:57 PM
🌆 Blue hour (PM)
5:57 PM – 6:37 PM

📅 When to book — St. Petersburg (FL) 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 St. Petersburg (FL)'s popularity.

✈ Flights — lead time
3-5 months
Flight prices are near their annual peak. Watch fare-alert tools, book directly when you see a fare under the typical range for this city.
🏨 Lodging — lead time
3-5 months
Reasonable selection still available at 3-4 months out, but central locations vanish first.
⚠ Christmas / New Year travel is a global premium-pricing event — many destinations 30-50% above normal. Book 4+ months ahead if your dates are Dec 20 - Jan 2.

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.

🎄
US Christmas/New Year Window
Travel surge · high impact

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 St. Petersburg (FL)

Peak season

St. Petersburg (FL) 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 St. Petersburg (FL)

☀️ UV Index (noon, 15th)
7.1
High
Cover up and apply SPF 30+ for any outdoor activity longer than 30 minutes.
🦟 Mosquito risk
●●●○○
Moderate
Active mosquito season. DEET 25-30% repellent recommended, especially at dawn/dusk.

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.

St. Petersburg (FL) in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 20°C / 68°F 13°C / 55°F 70 mm 12
February 23°C / 73°F 15°C / 59°F 48 mm 12
March 25°C / 76°F 17°C / 62°F 44 mm 11
April 27°C / 81°F 20°C / 67°F 62 mm 14
May 30°C / 86°F 22°C / 72°F 92 mm 18
June 31°C / 87°F 25°C / 76°F 150 mm 26
July 31°C / 88°F 26°C / 78°F 163 mm 30
August 31°C / 88°F 26°C / 78°F 197 mm 30
September 30°C / 86°F 24°C / 76°F 150 mm 26
October 28°C / 83°F 22°C / 71°F 55 mm 16
November 25°C / 77°F 18°C / 64°F 55 mm 12
December 23°C / 73°F 16°C / 60°F 76 mm 10

Other cities with similar December weather

🌍 See the full ranked list of climate twins for St. Petersburg (FL) in December →

Frequently asked questions

How hot is St. Petersburg (FL) in December?

In December, St. Petersburg (FL) averages a high of 23°C (73°F) and a low of 16°C (60°F) — generally mild and pleasant.

Does it rain a lot in St. Petersburg (FL) in December?

December can be fairly wet in St. Petersburg (FL), with about 10 rainy days on average.

Is December a good time to visit St. Petersburg (FL)?

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 St. Petersburg (FL) 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 St. Petersburg (FL) for a complete, climate-based checklist.

Open St. Petersburg (FL) on the interactive map

Check the live 10-day forecast and sunrise/sunset.