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Grayson County (Sherman)
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United States weather

Weather in Grayson County, Texas for January 2026

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

    Snow Forecast ❄️

  • With an average of 2 snowy days, Grayson County usually enjoys a light touch of snow in January.
    According to Grayson County snow forecast for January 2026, 2 snowy days are expected until the end of the month. The closest date with snow is Friday, January 23.

    • Temperatures

  • So far, January 2026 in Grayson County shows a warmer trend than usual by 3.4 °F.

  • The forecast for the upcoming days in Grayson County predicts a temperature of 13 °F, which is slightly above the historical average.

  • In general, the average temperature in Grayson County at the beginning of January is 13.3 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 10.9 °F by the end of January.

    • Rain 🌧️

  • With an average of 4 rainy days, Grayson County experiences minimal rainfall in January.

    • More

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

Average dry days
25
Dry days
Average rainy days
4
Rainy days
Average snowy days
2
Snow days
Average temperatures
8°/0°
Temperatures
Average wind speed
22 km/h
Avg max wind
Average humidity
67 %
Avg humidity

Grayson County Weather January

Move between months or click on a day
December
February
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
14°
2
Sunny
17°
3
Sunny
15°
4
Patchy rain possible
11°
5
Moderate or heavy rain shower
14°
6
Sunny
11°
7
Partly cloudy
11°
8
Partly cloudy
12°
9
Moderate or heavy snow showers
8°
10
Light freezing rain
7°
11
Overcast
10°
12
Overcast
10°
13
Overcast
13°
14
Partly cloudy
13°
15
Overcast
9°
16
Overcast
14°
17
Moderate rain at times
9°
18
Overcast
9°
19
Sunny
5°
20
Sunny
14°
21
Moderate rain
17°
22
Overcast
8°
23
Heavy rain
17°
24
Moderate or heavy snow showers
15°
25
Patchy rain possible
9°
26
Patchy rain possible
4°
27
Moderate rain
7°
28
Blizzard
13°
29
Sunny
13°
30
Patchy rain possible
13°
31
Partly cloudy
17°

Temperatures trend during January in Grayson County

See the weather trend as well as the moving average line

January weather in Grayson 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 Sunny
Sunny
 17° /5° 0 mm 0 cm
Jan. 3 Sunny
Sunny
 15° /6° 0 mm 0 cm
Jan. 4 Patchy rain possible
Patchy rain possible
 11° /4° 0.2 mm 0 cm
Jan. 5 Moderate or heavy rain shower
Moderate or heavy rain shower
 14° /1° 1.3 mm 0 cm
Jan. 6 Sunny
Sunny
 11° /2° 0 mm 0 cm
Jan. 7 Partly cloudy
Partly cloudy
 11° /2° 0 mm 0 cm
Jan. 8 Partly cloudy
Partly cloudy
 12° /6° 0 mm 0 cm
Jan. 9 Moderate or heavy snow showers
Moderate or heavy snow showers
 8° /3° 12.3 mm 6.5 cm
Jan. 10 Light freezing rain
Light freezing rain
 7° /0° 8.6 mm 6.1 cm
Jan. 11 Overcast
Overcast
 10° /-4° 0 mm 0 cm
Jan. 12 Overcast
Overcast
 10° /-1° 0 mm 0 cm
Jan. 13 Overcast
Overcast
 13° /0° 0 mm 0 cm
Jan. 14 Partly cloudy
Partly cloudy
 13° /2° 0 mm 0 cm
Jan. 15 Overcast
Overcast
 9° /0° 0 mm 0 cm
Jan. 16 Overcast
Overcast
 14° /0° 0 mm 0 cm
Jan. 17 Moderate rain at times
Moderate rain at times
 9° /2° 0.4 mm 0 cm
Jan. 18 Overcast
Overcast
 9° /0° 0 mm 0 cm
Jan. 19 Sunny
Sunny
 5° /-3° 0 mm 0 cm
Jan. 20 Sunny
Sunny
 14° /-5° 0 mm 0 cm
Jan. 21 Moderate rain
Moderate rain
 17° /7° 9.4 mm 0 cm
Jan. 22 Overcast
Overcast
 8° /0° 0 mm 0 cm
Jan. 23 Heavy rain
Heavy rain
 17° /-1° 30.4 mm 2.3 cm
Jan. 24 Moderate or heavy snow showers
Moderate or heavy snow showers
 15° /-7° 8.1 mm 1.8 cm
Jan. 25 Patchy rain possible
Patchy rain possible
 9° /-7° 0 mm 0 cm
Jan. 26 Patchy rain possible
Patchy rain possible
 4° /-7° 5.9 mm 0 cm
Jan. 27 Moderate rain
Moderate rain
 7° /1° 8.7 mm 0 cm
Jan. 28 Blizzard
Blizzard
 13° /4° 0.1 mm 0 cm
Jan. 29 Sunny
Sunny
 13° /3° 0 mm 0 cm
Jan. 30 Patchy rain possible
Patchy rain possible
 13° /4° 1.7 mm 0 cm
Jan. 31 Partly cloudy
Partly cloudy
 17° /7° 0 mm 0 cm
Next
Important Notice
Our weather forecast for Grayson 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 Grayson County forecast closer to your planned date for the most up-to-date weather information.
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Grayson County in January - FAQ

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

Prepare for cooler days with highs just around 8° and colder nights, dipping below 0°.

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

Significant rainfall exceeding 114.1 mm is expected in Grayson County during January, occurring over more than 4 days. Preparing for wet conditions is recommended in your planning.

Will it snow in Grayson County in January 2026?

Grayson County experiences an average snowfall of 25.21 cm during January, occurring over 2 days.

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

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

Grayson County snow forecast January 2026

Track daily snowfall levels and discover Grayson County’s snowy potential this January ❄️
On average, Grayson County sees 2 snowy days during January, with approximately 25.2 cm of total snowfall.

January rainfall patterns in Grayson County

Explore the daily rainfall trends and prepare for Grayson Countys January weather 💧
Typically, Grayson County has 4 rainy days in January with a total of 114.1 mm of rainfall.
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Location coordinates Where is Grayson County?

Get accurate weather forecasts for Grayson County, located at latitude 33.636 and longitude -96.609. Stay updated with localized weather information tailored for Grayson County.

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