McKinney
December
Weather in McKinney for December 2025
Your guide to McKinney weather in December - trends and predictions
In general, the average temperature in McKinney at the beginning of December is 15 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 13.9 °F by the end of December.
McKinney experiences moderate rainfall in December, with an average of 8 rainy days and a total precipitation of 155.3 mm.
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Temperatures
Rain 🌧️
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23
Dry days
8
Rainy days
0
Snow days
14°/6°
Temperatures
23 km/h
Avg max wind
63 %
Avg humidity
McKinney in December average weather
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  14° | 2  18° | 3  17° | 4 13° | 5 15° | 6 14° | |
| 7 14° | 8  19° | 9 14° | 10 12° | 11 15° | 12 15° | 13 11° |
| 14  18° | 15  16° | 16 16° | 17  17° | 18 15° | 19 10° | 20 15° |
| 21  14° | 22 15° | 23 15° | 24  17° | 25 12° | 26 14° | 27 12° |
| 28 14° | 29 12° | 30 18° | 31 15° |
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Temperatures trend during December in McKinney
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 | Overcast | 14° /4° | 0 mm | 4 | |
| Dec. 2 | Fog | 18° /3° | 0 mm | 5 | |
| Dec. 3 | Sunny | 17° /1° | 0 mm | 5 | |
| Dec. 4 | Sunny | 13° /5° | 18 mm | 4 | |
| Dec. 5 | Sunny | 15° /4° | 0 mm | 4 | |
| Dec. 6 | Sunny | 14° /1° | 0 mm | 4 | |
| Dec. 7 | Overcast | 14° /4° | 9.6 mm | 3 | |
| Dec. 8 | Patchy rain possible | 19° /10° | 6.9 mm | 4 | |
| Dec. 9 | Fog | 14° /8° | 0 mm | 4 | |
| Dec. 10 | Sunny | 12° /2° | 0 mm | 4 | |
| Dec. 11 | Sunny | 15° /2° | 0 mm | 5 | |
| Dec. 12 | Overcast | 15° /5° | 0 mm | 4 | |
| Dec. 13 | Patchy rain possible | 11° /8° | 3.2 mm | 3 | |
| Dec. 14 | Cloudy | 18° /9° | 4.5 mm | 5 | |
| Dec. 15 | Heavy rain | 16° /8° | 17.5 mm | 4 | |
| Dec. 16 | Sunny | 16° /8° | 2.6 mm | 4 | |
| Dec. 17 | Partly cloudy | 17° /9° | 2.3 mm | 5 | |
| Dec. 18 | Sunny | 15° /6° | 13.2 mm | 4 | |
| Dec. 19 | Overcast | 10° /2° | 0 mm | 3 | |
| Dec. 20 | Overcast | 15° /5° | 0 mm | 4 | |
| Dec. 21 | Light rain | 14° /6° | 4.9 mm | 4 | |
| Dec. 22 | Light rain shower | 15° /7° | 0.9 mm | 4 | |
| Dec. 23 | Light rain shower | 15° /12° | 1.7 mm | 4 | |
| Dec. 24 | Moderate or heavy rain shower | 17° /12° | 42.6 mm | 4 | |
| Dec. 25 | Sunny | 12° /7° | 2 mm | 4 | |
| Dec. 26 | Sunny | 14° /8° | 22.5 mm | 4 | |
| Dec. 27 | Partly cloudy | 12° /5° | 0 mm | 4 | |
| Dec. 28 | Cloudy | 14° /6° | 0 mm | 4 | |
| Dec. 29 | Partly cloudy | 12° /4° | 0 mm | 4 | |
| Dec. 30 | Sunny | 18° /6° | 0 mm | 5 | |
| Dec. 31 | Overcast | 15° /7° | 0 mm | 4 | |
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Important Notice
Our weather forecast for McKinney 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 McKinney forecast closer to your planned date for the most up-to-date weather information.
McKinney in December - FAQ
What are the expected maximum and minimum temperatures in McKinney during December?
During December, expect a variety of temperatures with highs around 14° and lows near 6°, suitable for diverse activities and preferences.
How much rainfall should be expected in McKinney during December?
Significant rainfall exceeding 155.3 mm is expected in McKinney during December, occurring over more than 8 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in McKinney during December?
The average wind speed in McKinney during December is 23 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in McKinney
Explore the daily rainfall trends and prepare for McKinneys December weather 💧
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