easeweather.com
Collin County (Frisco)
Akron (OH)Albuquerque (NM)Alexandria (VA)Anaheim (CA)Anchorage (AK)Arlington (VA)Asheville (NC)Atlanta (GA)Atlantic City (NJ)Austin (TX)Baltimore (MD)Baton Rouge (LA)Birmingham (AL)Boston (MA)Brooklyn (NY)Buffalo (NY)Cape Coral (FL)Charlotte (NC)Chattanooga (TN)Chicago (IL)Cincinnati (OH)Cleveland (OH)Colorado Springs (CO)Columbus (OH)Corpus Christi (TX)Dallas (TX)Dayton (OH)Denver (CO)Des Moines (IA)Detroit (MI)El Paso (TX)Fairbanks (AK)Fort Lauderdale (FL)Fort Wayne (IN)Fort Worth (TX)Frisco (TX)Gatlinburg (TN)Grand Rapids (MI)Harrisburg (PA)Honolulu (HI)Houston (TX)Huntsville (AL)Indianapolis (IN)Jackson (MS)Jacksonville (FL)Juneau (AK)Kansas City (MO)Ketchikan (AK)Key West (FL)Knoxville (TN)Las Vegas (NV)Lexington (KY)Lincoln (NE)Little Rock (AR)Los Angeles (CA)Louisville (KY)Madison (WI)Manhattan (NY)Memphis (TN)Miami (FL)Milwaukee (WI)Minneapolis (MN)Mobile (AL)Montgomery (AL)Nashville (TN)New Orleans (LA)New York City (NY)Newark (NJ)Norfolk (VA)Oklahoma City (OK)Omaha (NE)Orlando (FL)Philadelphia (PA)Phoenix (AZ)Pittsburgh (PA)Portland (OR)Richmond (VA)Riverside (CA)Sacramento (CA)Salt Lake City (UT)San Antonio (TX)San Diego (CA)San Francisco (CA)San Jose (CA)Savannah (GA)Seattle (WA)Skagway (AK)Springfield (MO)St. Louis (MO)St. Petersburg (FL)Tallahassee (FL)Tampa (FL)Toledo (OH)Traverse City (MI)Tulsa (OK)Tyler (TX)Vancouver (WA)Virginia Beach (VA)WashingtonWichita (KS)Winston-Salem (NC) More Locations
United States weather

Weather in Collin County, Texas for December 2025

Your guide to Collin County weather in December - trends and predictions

    Temperatures

  • Until now, December 2025 in Collin County has been significantly cooler than historical averages by -2 °F, with average temperature of 12.5 °F.

  • The forecast for the upcoming days in Collin County predicts a temperature of 17.4 °F, which is slightly above the historical average.

  • In general, the average temperature in Collin County at the beginning of December is 13.9 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 16.6 °F by the end of December.

    • Rain 🌧️

  • The climate of Collin County in December is notably wet, with an average of 15 rainy days, and a total of 143.9 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
22 km/h
Avg max wind
Average humidity
66 %
Avg humidity

Collin County Weather December

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

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

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
Dec. 1 Overcast
Overcast
 12° /3° 0 mm 3
Dec. 2 Sunny
Sunny
 15° /1° 0 mm 4
Dec. 3 Sunny
Sunny
 16° /1° 0 mm 4
Dec. 4 Sunny
Sunny
 12° /4° 9.6 mm 3
Dec. 5 Sunny
Sunny
 15° /3° 0 mm 4
Dec. 6 Sunny
Sunny
 12° /2° 0 mm 4
Dec. 7 Cloudy
Cloudy
 15° /4° 5.3 mm 3
Dec. 8 Patchy rain possible
Patchy rain possible
 17° /7° 2.9 mm 4
Dec. 9 Mist
Mist
 15° /6° 0 mm 4
Dec. 10 Sunny
Sunny
 14° /2° 0 mm 4
Dec. 11 Sunny
Sunny
 16° /3° 0 mm 5
Dec. 12 Overcast
Overcast
 17° /5° 0 mm 4
Dec. 13 Overcast
Overcast
 13° /7° 0.9 mm 3
Dec. 14 Cloudy
Cloudy
 16° /7° 4.3 mm 4
Dec. 15 Sunny
Sunny
 11° /-3° 0 mm 0.6
Dec. 16 Overcast
Overcast
 15° /7° 0 mm 0.5
Dec. 17 Overcast
Overcast
 11° /8° 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
 25° /14° 0 mm 4
Dec. 21 Sunny
Sunny
 15° /9° 0 mm 4
Dec. 22 Sunny
Sunny
 15° /5° 0 mm 3
Dec. 23 Sunny
Sunny
 23° /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
 21° /8° 0 mm 4
Dec. 29 Partly cloudy
Partly cloudy
 13° /5° 0 mm 4
Dec. 30 Sunny
Sunny
 18° /7° 0 mm 5
Dec. 31 Overcast
Overcast
 16° /7° 0 mm 4
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?
Significant rainfall exceeding 143.9 mm is expected in Collin County during December, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Collin County during December?
The average wind speed in Collin County during December is 22 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 15 rainy days in December with a total of 143.9 mm of rainfall.

UV exposure in Collin County during December

Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
Top locations in Collin County
Select a location for an accurate weather forecast
FriscoMcKinneyPlano
More Locations

Quick links

More Collin County weather pages
You are here
Location coordinates Where is Collin County?

Get accurate weather forecasts for Collin County, located at latitude 33.151 and longitude -96.824. Stay updated with localized weather information tailored for Collin County.

Found a mistake?
We appreciate your attention to details. Tell us here.