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St. Petersburg (FL)
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United States weather

Weather in St. Petersburg, Florida for December 2025

Your guide to St. Petersburg weather in December - trends and predictions

    Temperatures

  • Until now, December 2025 in St. Petersburg has been nearly identical to the historical average, with a temperature of 21.2 °F (showing only a slight deviation of -0.2 °F).

  • The forecast for the next days in St. Petersburg predicts temperatures to be around 22 °F, close to the historical average.

  • In general, the average temperature in St. Petersburg at the beginning of December is 21.7 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 20.3 °F by the end of December.

    • Rain 🌧️

  • St. Petersburg experiences moderate rainfall in December, with an average of 10 rainy days and a total precipitation of 55.3 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
21
Dry days
Average rainy days
10
Rainy days
Average snowy days
0
Snow days
Average temperatures
20°/14°
Temperatures
Average wind speed
26 km/h
Avg max wind
Average humidity
73 %
Avg humidity

St. Petersburg Weather December

Move between months or click on a day
November
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Overcast
24°
2
Overcast
23°
3
Light rain shower
21°
4
Sunny
22°
5
Fog
21°
6
Overcast
21°
7
Partly cloudy
20°
8
Overcast
22°
9
Overcast
22°
10
Cloudy
22°
11
Sunny
19°
12
Sunny
20°
13
Cloudy
21°
14
Overcast
22°
15
Overcast
15°
16
Cloudy
22°
17
Overcast
23°
18
Partly cloudy
23°
19
Sunny
23°
20
Sunny
23°
21
Sunny
23°
22
Patchy rain possible
22°
23
Sunny
22°
24
Sunny
23°
25
Sunny
21°
26
Patchy rain possible
20°
27
Cloudy
21°
28
Patchy rain possible
21°
29
Sunny
19°
30
Patchy rain possible
21°
31
Moderate rain at times
19°

Temperatures trend during December in St. Petersburg

See the weather trend as well as the moving average line

December weather in St. Petersburg day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
Dec. 1 Overcast
Overcast
 24° /16° 0 mm 5
Dec. 2 Overcast
Overcast
 23° /16° 0 mm 5
Dec. 3 Light rain shower
Light rain shower
 21° /16° 1.1 mm 5
Dec. 4 Sunny
Sunny
 22° /13° 0.4 mm 5
Dec. 5 Fog
Fog
 21° /14° 0 mm 5
Dec. 6 Overcast
Overcast
 21° /15° 3.3 mm 5
Dec. 7 Partly cloudy
Partly cloudy
 20° /13° 0.8 mm 5
Dec. 8 Overcast
Overcast
 22° /15° 1.6 mm 5
Dec. 9 Overcast
Overcast
 22° /14° 0 mm 5
Dec. 10 Cloudy
Cloudy
 22° /16° 5.2 mm 5
Dec. 11 Sunny
Sunny
 19° /13° 3.9 mm 5
Dec. 12 Sunny
Sunny
 20° /11° 0 mm 5
Dec. 13 Cloudy
Cloudy
 21° /14° 0 mm 5
Dec. 14 Overcast
Overcast
 22° /17° 0 mm 5
Dec. 15 Overcast
Overcast
 15° /11° 0 mm 0.6
Dec. 16 Cloudy
Cloudy
 22° /13° 0 mm 0.9
Dec. 17 Overcast
Overcast
 23° /17° 0 mm 0.8
Dec. 18 Partly cloudy
Partly cloudy
 23° /20° 0 mm 0.6
Dec. 19 Sunny
Sunny
 23° /20° 0 mm 0
Dec. 20 Sunny
Sunny
 23° /19° 0 mm 6
Dec. 21 Sunny
Sunny
 23° /20° 0 mm 6
Dec. 22 Patchy rain possible
Patchy rain possible
 22° /18° 1.1 mm 5
Dec. 23 Sunny
Sunny
 22° /18° 0 mm 5
Dec. 24 Sunny
Sunny
 23° /17° 0 mm 6
Dec. 25 Sunny
Sunny
 21° /18° 0 mm 5
Dec. 26 Patchy rain possible
Patchy rain possible
 20° /17° 0.1 mm 4
Dec. 27 Cloudy
Cloudy
 21° /18° 0 mm 4
Dec. 28 Patchy rain possible
Patchy rain possible
 21° /19° 0.7 mm 4
Dec. 29 Sunny
Sunny
 19° /15° 5.4 mm 5
Dec. 30 Patchy rain possible
Patchy rain possible
 21° /16° 0.1 mm 5
Dec. 31 Moderate rain at times
Moderate rain at times
 19° /15° 0.7 mm 5
Next
Important Notice
Our weather forecast for St. Petersburg in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the St. Petersburg forecast closer to your planned date for the most up-to-date weather information.
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St. Petersburg in December - FAQ

What are the expected maximum and minimum temperatures in St. Petersburg during December?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in St. Petersburg during December?
Moderate rainfall is anticipated in St. Petersburg during December, with a total of 55.3 mm spread over approximately 10 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in St. Petersburg during December?
The average wind speed in St. Petersburg during December is 26 km/h, suggesting breezy to windy conditions, depending on your activities.

December rainfall patterns in St. Petersburg

Explore the daily rainfall trends and prepare for St. Petersburgs December weather 💧
Typically, St. Petersburg has 10 rainy days in December with a total of 55.3 mm of rainfall.

UV exposure in St. Petersburg during December

Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️

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Location coordinates Where is St. Petersburg?

Get accurate weather forecasts for St. Petersburg, located at latitude 27.771 and longitude -82.679. Stay updated with localized weather information tailored for St. Petersburg.

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