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United States weather

Weather in Collin County, Texas for January 2026

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

    Official Weather Alert ⚠️

  • Cold Weather Advisory - See hour by hour.

    • Snow Forecast ❄️

  • With an average of 3 snowy days, Collin County usually enjoys a light touch of snow in January.
    According to Collin County snow forecast for January 2026, no snow is expected until the end of the month.

    • Temperatures

  • So far, January 2026 in Collin County is slightly warmer than the historical average by 1.9 °F.

  • The forecast for the next days in Collin County predicts the temperature to be 12.1 °F, significantly warmer than the historical average.

  • In general, the average temperature in Collin County at the beginning of January is 13.7 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 8.6 °F by the end of January.

    • Rain 🌧️

  • Collin County experiences moderate rainfall in January, with an average of 8 rainy days and a total precipitation of 100.4 mm.

    • More

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

Average dry days
20
Dry days
Average rainy days
8
Rainy days
Average snowy days
3
Snow days
Average temperatures
10°/2°
Temperatures
Average wind speed
22 km/h
Avg max wind
Average humidity
64 %
Avg humidity

Collin County Weather January

Move between months or click on a day
December
February
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
14°
2
Moderate rain
16°
3
Light drizzle
14°
4
Partly cloudy
13°
5
Cloudy
15°
6
Cloudy
11°
7
Sunny
13°
8
Light rain shower
13°
9
Overcast
9°
10
Overcast
10°
11
Sunny
13°
12
Cloudy
12°
13
Sunny
14°
14
Light snow
8°
15
Ice pellets
5°
16
Partly cloudy
10°
17
Overcast
9°
18
Sunny
9°
19
Sunny
7°
20
Sunny
5°
21
Patchy rain possible
5°
22
Moderate or heavy rain with thunder
10°
23
Light rain shower
10°
24
Fog
9°
25
Mist
8°
26
Patchy rain possible
10°
27
Light drizzle
10°
28
Sunny
9°
29
Sunny
11°
30
Weather Alert Sunny
10°
31
Sunny
2°

Temperatures trend during January in Collin County

See the weather trend as well as the moving average line

January weather in Collin County day by day

Click on a date for more information
December February
Date Weather Temperatures Rain Snow More
Jan. 1 Sunny
Sunny
 14° /3° 0 mm 0 cm
Jan. 2 Moderate rain
Moderate rain
 16° /6° 6.3 mm 0 cm
Jan. 3 Light drizzle
Light drizzle
 14° /5° 0.3 mm 0 cm
Jan. 4 Partly cloudy
Partly cloudy
 13° /5° 0.2 mm 0 cm
Jan. 5 Cloudy
Cloudy
 15° /4° 5.4 mm 0 cm
Jan. 6 Cloudy
Cloudy
 11° /4° 0 mm 0 cm
Jan. 7 Sunny
Sunny
 13° /3° 0 mm 0 cm
Jan. 8 Light rain shower
Light rain shower
 13° /7° 3.1 mm 0 cm
Jan. 9 Overcast
Overcast
 9° /3° 0 mm 0 cm
Jan. 10 Overcast
Overcast
 10° /2° 11 mm 1.6 cm
Jan. 11 Sunny
Sunny
 13° /0° 0 mm 0 cm
Jan. 12 Cloudy
Cloudy
 12° /0° 0.4 mm 0 cm
Jan. 13 Sunny
Sunny
 14° /1° 0 mm 0 cm
Jan. 14 Light snow
Light snow
 8° /-1° 0.1 mm 0.1 cm
Jan. 15 Ice pellets
Ice pellets
 5° /-3° 0.2 mm 0.2 cm
Jan. 16 Partly cloudy
Partly cloudy
 10° /-2° 0 mm 0 cm
Jan. 17 Overcast
Overcast
 9° /0° 0 mm 0 cm
Jan. 18 Sunny
Sunny
 9° /2° 0 mm 0 cm
Jan. 19 Sunny
Sunny
 7° /-2° 0 mm 0 cm
Jan. 20 Sunny
Sunny
 5° /-4° 0 mm 0 cm
Jan. 21 Patchy rain possible
Patchy rain possible
 5° /0° 0.4 mm 0 cm
Jan. 22 Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 10° /1° 11.2 mm 0 cm
Jan. 23 Light rain shower
Light rain shower
 10° /1° 20.4 mm 0 cm
Jan. 24 Fog
Fog
 9° /2° 42.3 mm 22.4 cm
Jan. 25 Mist
Mist
 8° /-1° 14.6 mm 10.6 cm
Jan. 26 Patchy rain possible
Patchy rain possible
 10° /1° 2.3 mm 0 cm
Jan. 27 Light drizzle
Light drizzle
 10° /0° 0.3 mm 0 cm
Jan. 28 Sunny
Sunny
 9° /0° 0 mm 0 cm
Jan. 29 Sunny
Sunny
 11° /4° 4.2 mm 0 cm
Jan. 30 Sunny
Sunny
 10° /-3° 0 mm 0 cm
Jan. 31 Sunny
Sunny
 2° /-7° 0 mm 0 cm
Next
Important Notice
Our weather forecast for Collin County in January 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.
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Collin County in January - FAQ

What are the expected maximum and minimum temperatures in Collin County during January?

Prepare for cooler days with highs just around 10° and colder nights, dipping below 2°.

How much rainfall should be expected in Collin County during January?

Significant rainfall exceeding 100.4 mm is expected in Collin County during January, occurring over more than 8 days. Preparing for wet conditions is recommended in your planning.

Will it snow in Collin County in January 2026?

Collin County experiences an average snowfall of 2.88 cm during January, occurring over 3 days.

What are the typical wind conditions in Collin County during January?

The average wind speed in Collin County during January is 22 km/h, suggesting breezy to windy conditions, depending on your activities.

Collin County snow forecast January 2026

Track daily snowfall levels and discover Collin County’s snowy potential this January ❄️
On average, Collin County sees 3 snowy days during January, with approximately 2.9 cm of total snowfall.

January rainfall patterns in Collin County

Explore the daily rainfall trends and prepare for Collin Countys January weather 💧
Typically, Collin County has 8 rainy days in January with a total of 100.4 mm of rainfall.
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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.

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