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Weather in McKinney, Texas for December 2025

Your guide to McKinney weather in December - trends and predictions

    Temperatures

  • Until now, December 2025 in McKinney is slightly cooler than the historical average by -1.7 °F.

  • The forecast for the upcoming days in McKinney predicts a temperature of 17 °F, which is slightly above the historical average.

  • In general, the average temperature in McKinney at the beginning of December is 13.1 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 16.1 °F by the end of December.

    • Rain 🌧️

  • The climate of McKinney in December is notably wet, with an average of 15 rainy days, and a total of 152.3 mm of precipitation.

    • More

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

Average dry days
16
Dry days
Average rainy days
15
Rainy days
Average snowy days
0
Snow days
Average temperatures
15°/6°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
68 %
Avg humidity

McKinney Weather December

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

Temperatures trend during December in McKinney

See the weather trend as well as the moving average line

December weather in McKinney day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
Dec. 1 Overcast
Overcast
 11° /3° 0 mm 3
Dec. 2 Sunny
Sunny
 15° /2° 0 mm 4
Dec. 3 Sunny
Sunny
 15° /1° 0 mm 4
Dec. 4 Sunny
Sunny
 12° /4° 12 mm 3
Dec. 5 Sunny
Sunny
 14° /4° 0 mm 4
Dec. 6 Sunny
Sunny
 11° /2° 0 mm 3
Dec. 7 Overcast
Overcast
 14° /3° 6.4 mm 3
Dec. 8 Patchy rain possible
Patchy rain possible
 16° /7° 4.6 mm 3
Dec. 9 Mist
Mist
 15° /6° 0 mm 4
Dec. 10 Sunny
Sunny
 14° /3° 0 mm 4
Dec. 11 Sunny
Sunny
 16° /3° 0 mm 5
Dec. 12 Overcast
Overcast
 16° /5° 0 mm 4
Dec. 13 Patchy rain possible
Patchy rain possible
 12° /7° 2.1 mm 3
Dec. 14 Cloudy
Cloudy
 16° /6° 3 mm 4
Dec. 15 Sunny
Sunny
 10° /-3° 0 mm 0.6
Dec. 16 Overcast
Overcast
 13° /7° 0 mm 0.5
Dec. 17 Overcast
Overcast
 12° /9° 0 mm 0.4
Dec. 18 Sunny
Sunny
 19° /11° 0 mm 0.6
Dec. 19 Sunny
Sunny
 17° /6° 0 mm 0
Dec. 20 Cloudy
Cloudy
 23° /14° 0 mm 4
Dec. 21 Partly cloudy
Partly cloudy
 15° /9° 0 mm 4
Dec. 22 Sunny
Sunny
 15° /5° 0 mm 3
Dec. 23 Sunny
Sunny
 22° /11° 0 mm 5
Dec. 24 Sunny
Sunny
 24° /15° 0 mm 5
Dec. 25 Cloudy
Cloudy
 20° /16° 0 mm 4
Dec. 26 Patchy rain possible
Patchy rain possible
 17° /6° 0.4 mm 3
Dec. 27 Sunny
Sunny
 11° /2° 0 mm 3
Dec. 28 Sunny
Sunny
 20° /8° 0 mm 4
Dec. 29 Partly cloudy
Partly cloudy
 12° /4° 0 mm 4
Dec. 30 Sunny
Sunny
 18° /6° 0 mm 5
Dec. 31 Overcast
Overcast
 15° /7° 0 mm 4
Next
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.
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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 15° and lows near 6°, suitable for diverse activities and preferences.
How much rainfall should be expected in McKinney during December?
Significant rainfall exceeding 152.3 mm is expected in McKinney during December, occurring over more than 15 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 💧
Typically, McKinney has 15 rainy days in December with a total of 152.3 mm of rainfall.

UV exposure in McKinney during December

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

Quick links

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Location coordinates Where is McKinney?

Get accurate weather forecasts for McKinney, located at latitude 33.198 and longitude -96.615. Stay updated with localized weather information tailored for McKinney.

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