St. Petersburg (FL)
December
Weather in St. Petersburg, Florida for December 2026
Your guide to St. Petersburg weather in December - trends and predictions
In general, the average temperature in St. Petersburg at the beginning of December is 21.1 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 18.6 °C by the end of December.
With an average of 5 rainy days, St. Petersburg experiences minimal rainfall in December.
Is December a good time to visit St. Petersburg? check out the best time to travel to St. Petersburg page.
✨ Is December a good time to visit St. Petersburg? – Ask the AI Weatherman
Temperatures
Rain 🌧️
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26
Dry days
5
Rainy days
0
Snow days
20°/15°
Temperatures
25 km/h
Avg max wind
77 %
Avg humidity
St. Petersburg Weather December
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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
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 |  Overcast | 23° /17° | 0 mm | 4.3 | |
| Dec. 2 | Overcast | 22° /17° | 0 mm | 4.3 | |
| Dec. 3 |  Light rain shower | 21° /16° | 1.1 mm | 4.3 | |
| Dec. 4 |  Sunny | 21° /13° | 0.4 mm | 4.2 | |
| Dec. 5 |  Fog | 21° /15° | 0 mm | 4.2 | |
| Dec. 6 |  Light rain | 20° /15° | 3.3 mm | 4.2 | |
| Dec. 7 |  Partly cloudy | 19° /13° | 0.8 mm | 4.2 | |
| Dec. 8 | Patchy rain possible | 22° /15° | 1.6 mm | 4.2 | |
| Dec. 9 | Overcast | 21° /15° | 0 mm | 4.1 | |
| Dec. 10 | Light rain | 22° /17° | 5.2 mm | 4.1 | |
| Dec. 11 | Light rain | 18° /13° | 3.9 mm | 4.1 | |
| Dec. 12 | Sunny | 20° /12° | 0 mm | 4.1 | |
| Dec. 13 |  Cloudy | 21° /14° | 0 mm | 4.1 | |
| Dec. 14 | Overcast | 21° /18° | 0 mm | 4.1 | |
| Dec. 15 | Patchy rain possible | 21° /16° | 2.3 mm | 4.1 | |
| Dec. 16 | Light rain | 22° /16° | 7.2 mm | 4 | |
| Dec. 17 | Patchy rain possible | 22° /17° | 1 mm | 4 | |
| Dec. 18 | Partly cloudy | 21° /17° | 0.1 mm | 4 | |
| Dec. 19 | Partly cloudy | 19° /16° | 0 mm | 4 | |
| Dec. 20 | Overcast | 19° /13° | 0 mm | 4 | |
| Dec. 21 | Partly cloudy | 19° /15° | 0 mm | 4 | |
| Dec. 22 | Overcast | 21° /14° | 0.4 mm | 4 | |
| Dec. 23 | Patchy rain possible | 21° /14° | 0.5 mm | 4 | |
| Dec. 24 | Overcast | 18° /12° | 0 mm | 4 | |
| Dec. 25 | Light rain | 17° /13° | 8.1 mm | 3 | |
| Dec. 26 | Overcast | 17° /13° | 0 mm | 3 | |
| Dec. 27 | Overcast | 20° /14° | 0 mm | 4 | |
| Dec. 28 | Patchy rain possible | 20° /15° | 2.4 mm | 4 | |
| Dec. 29 | Light rain | 19° /15° | 4 mm | 4 | |
| Dec. 30 | Patchy rain possible | 20° /16° | 0.1 mm | 4 | |
| Dec. 31 | Sunny | 17° /13° | 0.5 mm | 4 | |
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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?
During December, expect a variety of temperatures with highs around 20° and lows near 15°, suitable for diverse activities and preferences.
How much rainfall should be expected in St. Petersburg during December?
In December, St. Petersburg can expect light to moderate rainfall, totaling 43 mm across approximately 5 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in St. Petersburg during December?
The average wind speed in St. Petersburg during December is 25 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 5 rainy days in December with a total of 43 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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