Collin County (Plano)
January
Weather in Collin County for January 2026
Your guide to Collin County weather in January - trends and predictions
With an average of 2 snowy days, Collin County usually enjoys a light touch of snow in January.
In general, the average temperature in Collin County at the beginning of January is 13.9 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 13 °F by the end of January.
Collin County experiences moderate rainfall in January, with an average of 9 rainy days and a total precipitation of 80.8 mm.
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Snow Forecast ❄️
Temperatures
Rain 🌧️
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20
Dry days
9
Rainy days
2
Snow days
12°/3°
Temperatures
22 km/h
Avg max wind
63 %
Avg humidity
Collin County Weather January
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  15° | 2  15° | 3 15° | ||||
| 4  13° | 5 15° | 6 12° | 7 12° | 8 10° | 9 10° | 10 13° |
| 11  16° | 12  14° | 13 12° | 14 8° | 15 9° | 16 12° | 17 14° |
| 18 14° | 19 7° | 20 7° | 21  5° | 22 10° | 23 11° | 24  12° |
| 25 12° | 26 13° | 27 13° | 28 12° | 29 15° | 30 13° | 31  13° |
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Temperatures trend during January in Collin County
See the weather trend as well as the moving average line
January weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Jan. 1 | Partly cloudy | 15° /6° | 0 mm | 0 cm | |
| Jan. 2 | Heavy rain at times | 15° /7° | 8.3 mm | 0 cm | |
| Jan. 3 | Partly cloudy | 15° /6° | 0.3 mm | 0 cm | |
| Jan. 4 | Sunny | 13° /7° | 0.2 mm | 0 cm | |
| Jan. 5 | Sunny | 15° /3° | 5.3 mm | 0 cm | |
| Jan. 6 | Partly cloudy | 12° /3° | 0 mm | 0 cm | |
| Jan. 7 | Sunny | 12° /3° | 0.2 mm | 0 cm | |
| Jan. 8 | Partly cloudy | 10° /3° | 4.3 mm | 0 cm | |
| Jan. 9 | Partly cloudy | 10° /2° | 0 mm | 0 cm | |
| Jan. 10 | Partly cloudy | 13° /4° | 11.3 mm | 2 cm | |
| Jan. 11 | Overcast | 16° /5° | 0 mm | 0 cm | |
| Jan. 12 | Cloudy | 14° /2° | 0.7 mm | 0 cm | |
| Jan. 13 | Overcast | 12° /0° | 0 mm | 0 cm | |
| Jan. 14 | Sunny | 8° /-1° | 0.1 mm | 0.1 cm | |
| Jan. 15 | Overcast | 9° /1° | 0.2 mm | 0.2 cm | |
| Jan. 16 | Cloudy | 12° /2° | 0 mm | 0 cm | |
| Jan. 17 | Sunny | 14° /4° | 0 mm | 0 cm | |
| Jan. 18 | Sunny | 14° /6° | 0.8 mm | 0 cm | |
| Jan. 19 | Sunny | 7° /-1° | 0 mm | 0 cm | |
| Jan. 20 | Sunny | 7° /-2° | 0 mm | 0 cm | |
| Jan. 21 | Patchy rain possible | 5° /0° | 0.5 mm | 0 cm | |
| Jan. 22 | Sunny | 10° /-1° | 12.4 mm | 0 cm | |
| Jan. 23 | Partly cloudy | 11° /2° | 6 mm | 0 cm | |
| Jan. 24 | Moderate or heavy rain shower | 12° /3° | 6.9 mm | 0 cm | |
| Jan. 25 | Overcast | 12° /3° | 0 mm | 0 cm | |
| Jan. 26 | Partly cloudy | 13° /5° | 1.1 mm | 0 cm | |
| Jan. 27 | Sunny | 13° /3° | 0.5 mm | 0 cm | |
| Jan. 28 | Patchy rain possible | 12° /4° | 0.3 mm | 0 cm | |
| Jan. 29 | Moderate rain at times | 15° /6° | 3.1 mm | 0 cm | |
| Jan. 30 | Moderate or heavy rain shower | 13° /7° | 17.6 mm | 0 cm | |
| Jan. 31 | Light freezing rain | 13° /5° | 0.6 mm | 0 cm | |
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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.
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 12° and colder nights, dipping below 3°.
How much rainfall should be expected in Collin County during January?
Moderate rainfall is anticipated in Collin County during January, with a total of 80.8 mm spread over approximately 9 days. Considering plans for rainy days is advisable.
Will it snow in Collin County in January 2026?
Collin County experiences an average snowfall of 2.21 cm during January, occurring over 2 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
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January rainfall patterns in Collin County
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Where is Collin County?Get accurate weather forecasts for Collin County, located at latitude 33.02 and longitude -96.699. Stay updated with localized weather information tailored for Collin County.
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