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Port Saint Lucie (FL)
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Weather in Port Saint Lucie, Florida for December 2025

Your guide to Port Saint Lucie weather in December - trends and predictions

    Temperatures

  • Until now, December 2025 in Port Saint Lucie has been nearly identical to the historical average, with a temperature of 23.5 °F (showing only a slight deviation of 0 °F).

  • The forecast for the upcoming days in Port Saint Lucie predicts a temperature of 24.8 °F, which is slightly above the historical average.

  • In general, the average temperature in Port Saint Lucie at the beginning of December is 24.1 °F. As the month progressed, temperatures tended to slightly decrease, reaching an average of 23.7 °F by the end of December.

    • Rain 🌧️

  • Port Saint Lucie in December brings notable rainfall, with an average of 17 rainy days and a total precipitation of 180.8 mm.

    • More

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

Average dry days
14
Dry days
Average rainy days
17
Rainy days
Average snowy days
0
Snow days
Average temperatures
22°/17°
Temperatures
Average wind speed
24 km/h
Avg max wind
Average humidity
75 %
Avg humidity

Port Saint Lucie Weather December

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

Temperatures trend during December in Port Saint Lucie

See the weather trend as well as the moving average line

December weather in Port Saint Lucie day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
Dec. 1 Mist
Mist
 25° /19° 15.3 mm 6
Dec. 2 Partly cloudy
Partly cloudy
 26° /19° 0.1 mm 6
Dec. 3 Patchy light rain
Patchy light rain
 25° /16° 0.3 mm 6
Dec. 4 Fog
Fog
 21° /16° 7.4 mm 5
Dec. 5 Overcast
Overcast
 25° /16° 0 mm 5
Dec. 6 Overcast
Overcast
 23° /14° 0 mm 5
Dec. 7 Patchy rain possible
Patchy rain possible
 24° /16° 0 mm 5
Dec. 8 Patchy rain possible
Patchy rain possible
 23° /18° 3.7 mm 5
Dec. 9 Overcast
Overcast
 24° /18° 0.3 mm 5
Dec. 10 Light rain shower
Light rain shower
 26° /19° 0.9 mm 6
Dec. 11 Partly cloudy
Partly cloudy
 22° /14° 0.8 mm 5
Dec. 12 Overcast
Overcast
 20° /15° 0 mm 5
Dec. 13 Overcast
Overcast
 23° /19° 0.7 mm 5
Dec. 14 Light rain shower
Light rain shower
 24° /19° 9.6 mm 5
Dec. 15 Light drizzle
Light drizzle
 22° /19° 4.4 mm 5
Dec. 16 Light rain shower
Light rain shower
 24° /20° 22.5 mm 5
Dec. 17 Partly cloudy
Partly cloudy
 27° /16° 0 mm 0.7
Dec. 18 Moderate rain
Moderate rain
 26° /21° 15.9 mm 0.8
Dec. 19 Cloudy
Cloudy
 30° /20° 0 mm 0.8
Dec. 20 Patchy rain possible
Patchy rain possible
 25° /19° 0.3 mm 0.9
Dec. 21 Patchy rain possible
Patchy rain possible
 26° /19° 0.2 mm 0
Dec. 22 Patchy rain possible
Patchy rain possible
 24° /21° 0.4 mm 5
Dec. 23 Patchy rain possible
Patchy rain possible
 22° /20° 0.2 mm 5
Dec. 24 Patchy rain possible
Patchy rain possible
 23° /20° 0.1 mm 5
Dec. 25 Partly cloudy
Partly cloudy
 24° /20° 0.1 mm 6
Dec. 26 Partly cloudy
Partly cloudy
 24° /19° 0 mm 6
Dec. 27 Sunny
Sunny
 24° /17° 0 mm 6
Dec. 28 Sunny
Sunny
 23° /15° 0 mm 5
Dec. 29 Patchy rain possible
Patchy rain possible
 24° /18° 0.9 mm 5
Dec. 30 Sunny
Sunny
 25° /18° 0 mm 6
Dec. 31 Sunny
Sunny
 22° /15° 0 mm 6
Next
Important Notice
Our weather forecast for Port Saint Lucie 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 Port Saint Lucie forecast closer to your planned date for the most up-to-date weather information.
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Port Saint Lucie in December - FAQ

What are the expected maximum and minimum temperatures in Port Saint Lucie during December?
During December, expect a variety of temperatures with highs around 22° and lows near 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in Port Saint Lucie during December?
Significant rainfall exceeding 180.8 mm is expected in Port Saint Lucie during December, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Port Saint Lucie during December?
The average wind speed in Port Saint Lucie during December is 24 km/h, suggesting breezy to windy conditions, depending on your activities.

December rainfall patterns in Port Saint Lucie

Explore the daily rainfall trends and prepare for Port Saint Lucies December weather 💧
Typically, Port Saint Lucie has 17 rainy days in December with a total of 180.8 mm of rainfall.

UV exposure in Port Saint Lucie during December

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

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Location coordinates Where is Port Saint Lucie?

Get accurate weather forecasts for Port Saint Lucie, located at latitude 27.294 and longitude -80.35. Stay updated with localized weather information tailored for Port Saint Lucie.

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