Collin County (Frisco)
December
Weather in Collin County, Texas for December 2026
Your guide to Collin County weather in December - trends and predictions
In general, the average temperature in Collin County at the beginning of December is 13.4 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 14.9 °C by the end of December.
Collin County experiences moderate rainfall in December, with an average of 6 rainy days and a total precipitation of 99.2 mm.
Is December a good time to visit Collin County? check out the best time to travel to Collin County page.
✨ Is December a good time to visit Collin County? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
25
Dry days
6
Rainy days
0
Snow days
15°/6°
Temperatures
23 km/h
Avg max wind
68 %
Avg humidity
Collin County Weather December
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Temperatures trend during December in Collin County
See the weather trend as well as the moving average line
December weather in Collin County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 |  Overcast | 11° /3° | 0 mm | 3 | |
| Dec. 2 |  Sunny | 15° /1° | 0 mm | 3.2 | |
| Dec. 3 | Sunny | 15° /1° | 0 mm | 3.2 | |
| Dec. 4 |  Light rain | 12° /4° | 9.6 mm | 3 | |
| Dec. 5 | Sunny | 14° /3° | 0 mm | 3.1 | |
| Dec. 6 | Sunny | 11° /2° | 0 mm | 3.1 | |
| Dec. 7 | Light rain | 14° /4° | 5.3 mm | 3 | |
| Dec. 8 | Light rain | 16° /7° | 2.9 mm | 3.1 | |
| Dec. 9 |  Mist | 15° /6° | 0 mm | 3 | |
| Dec. 10 | Sunny | 14° /3° | 0 mm | 3 | |
| Dec. 11 | Sunny | 16° /3° | 0 mm | 3 | |
| Dec. 12 | Overcast | 16° /6° | 0 mm | 3 | |
| Dec. 13 | Overcast | 13° /7° | 0.9 mm | 3 | |
| Dec. 14 | Light rain | 15° /7° | 4.3 mm | 3 | |
| Dec. 15 | Light rain | 13° /5° | 7.5 mm | 3 | |
| Dec. 16 | Light rain | 15° /8° | 3 mm | 3 | |
| Dec. 17 |  Patchy rain possible | 15° /10° | 1.1 mm | 3 | |
| Dec. 18 | Light rain | 15° /7° | 7.2 mm | 3 | |
| Dec. 19 | Overcast | 12° /3° | 0 mm | 3 | |
| Dec. 20 | Sunny | 17° /6° | 0 mm | 2.9 | |
| Dec. 21 | Light rain | 13° /7° | 3.3 mm | 2.9 | |
| Dec. 22 | Light rain shower | 16° /8° | 0.6 mm | 3 | |
| Dec. 23 | Overcast | 17° /14° | 0.9 mm | 2 | |
| Dec. 24 |  Heavy rain | 18° /14° | 29.2 mm | 3 | |
| Dec. 25 | Patchy rain possible | 14° /10° | 1.7 mm | 3 | |
| Dec. 26 |  Moderate rain | 16° /11° | 18.2 mm | 3 | |
| Dec. 27 |  Partly cloudy | 16° /10° | 0 mm | 3 | |
| Dec. 28 | Light rain | 16° /8° | 3.3 mm | 2 | |
| Dec. 29 | Partly cloudy | 11° /4° | 0 mm | 3 | |
| Dec. 30 | Sunny | 15° /4° | 0 mm | 3 | |
| Dec. 31 | Sunny | 16° /5° | 0 mm | 3 | |
| Next | |||||
Important Notice
Our weather forecast for Collin 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 Collin County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Collin County in December - FAQ
What are the expected maximum and minimum temperatures in Collin County during December?
During December, expect a variety of temperatures with highs around 15° and lows near 6°, suitable for diverse activities and preferences.
How much rainfall should be expected in Collin County during December?
Moderate rainfall is anticipated in Collin County during December, with a total of 99.2 mm spread over approximately 6 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Collin County during December?
The average wind speed in Collin County during December is 23 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Collin County
Explore the daily rainfall trends and prepare for Collin Countys December weather 💧
Typically, Collin County has 6 rainy days in December with a total of 99.2 mm of rainfall.
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