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Saint Johns County (Saint Augustine)
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United States weather

Weather in Saint Johns County, Florida for December 2025

Your guide to Saint Johns County weather in December - trends and predictions

    Temperatures

  • Until now, December 2025 in Saint Johns County has been nearly identical to the historical average, with a temperature of 17.9 °F (showing only a slight deviation of -0.4 °F).

  • The forecast for the next days in Saint Johns County predicts temperatures to be around 21 °F, close to the historical average.

  • In general, the average temperature in Saint Johns County at the beginning of December is 17.9 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 21.7 °F by the end of December.

    • Rain 🌧️

  • Saint Johns County experiences moderate rainfall in December, with an average of 8 rainy days and a total precipitation of 55.6 mm.

    • More

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

Average dry days
23
Dry days
Average rainy days
8
Rainy days
Average snowy days
0
Snow days
Average temperatures
18°/12°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
77 %
Avg humidity

Saint Johns County Weather December

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

Temperatures trend during December in Saint Johns County

See the weather trend as well as the moving average line

December weather in Saint Johns County day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
Dec. 1 Sunny
Sunny
 19° /14° 40 mm 5
Dec. 2 Sunny
Sunny
 20° /13° 0 mm 5
Dec. 3 Sunny
Sunny
 15° /9° 0 mm 4
Dec. 4 Overcast
Overcast
 15° /7° 0 mm 4
Dec. 5 Overcast
Overcast
 22° /11° 0.2 mm 5
Dec. 6 Patchy rain possible
Patchy rain possible
 18° /12° 2.8 mm 5
Dec. 7 Cloudy
Cloudy
 16° /11° 33 mm 4
Dec. 8 Overcast
Overcast
 19° /10° 21.2 mm 4
Dec. 9 Overcast
Overcast
 17° /11° 0 mm 4
Dec. 10 Overcast
Overcast
 22° /14° 0 mm 5
Dec. 11 Moderate or heavy rain shower
Moderate or heavy rain shower
 18° /10° 6.8 mm 5
Dec. 12 Sunny
Sunny
 18° /8° 0 mm 5
Dec. 13 Heavy rain at times
Heavy rain at times
 18° /12° 4.6 mm 4
Dec. 14 Patchy rain possible
Patchy rain possible
 21° /15° 0.4 mm 5
Dec. 15 Overcast
Overcast
 17° /12° 0 mm 4
Dec. 16 Overcast
Overcast
 17° /14° 1.6 mm 4
Dec. 17 Patchy rain possible
Patchy rain possible
 20° /15° 0.1 mm 5
Dec. 18 Overcast
Overcast
 22° /16° 0.1 mm 5
Dec. 19 Sunny
Sunny
 24° /14° 0 mm 0.6
Dec. 20 Cloudy
Cloudy
 20° /15° 0 mm 0.8
Dec. 21 Overcast
Overcast
 20° /15° 0 mm 0.8
Dec. 22 Patchy rain possible
Patchy rain possible
 19° /15° 0.2 mm 0.3
Dec. 23 Patchy rain possible
Patchy rain possible
 19° /17° 0.4 mm 0
Dec. 24 Sunny
Sunny
 20° /15° 0 mm 5
Dec. 25 Sunny
Sunny
 21° /15° 0 mm 5
Dec. 26 Sunny
Sunny
 23° /14° 0 mm 5
Dec. 27 Sunny
Sunny
 22° /14° 0 mm 5
Dec. 28 Patchy rain possible
Patchy rain possible
 20° /16° 1.2 mm 4
Dec. 29 Patchy rain possible
Patchy rain possible
 20° /19° 0.9 mm 4
Dec. 30 Patchy rain possible
Patchy rain possible
 23° /18° 0.8 mm 4
Dec. 31 Mist
Mist
 23° /17° 0 mm 4
Next
Important Notice
Our weather forecast for Saint Johns County 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 Saint Johns County forecast closer to your planned date for the most up-to-date weather information.
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Saint Johns County in December - FAQ

What are the expected maximum and minimum temperatures in Saint Johns County during December?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Saint Johns County during December?
Moderate rainfall is anticipated in Saint Johns County during December, with a total of 55.6 mm spread over approximately 8 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Saint Johns County during December?
The average wind speed in Saint Johns County during December is 19 km/h, suggesting breezy to windy conditions, depending on your activities.

December rainfall patterns in Saint Johns County

Explore the daily rainfall trends and prepare for Saint Johns Countys December weather 💧
Typically, Saint Johns County has 8 rainy days in December with a total of 55.6 mm of rainfall.

UV exposure in Saint Johns County during December

Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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Saint Augustine
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Location coordinates Where is Saint Johns County?

Get accurate weather forecasts for Saint Johns County, located at latitude 29.895 and longitude -81.315. Stay updated with localized weather information tailored for Saint Johns County.

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