Grayson County (Sherman)
December
Weather in Grayson County, Texas for December 2026
Your guide to Grayson County weather in December - trends and predictions
In general, the average temperature in Grayson County at the beginning of December is 10.7 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 15.9 °C by the end of December.
Grayson County experiences moderate rainfall in December, with an average of 8 rainy days and a total precipitation of 70.5 mm.
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Temperatures
Rain 🌧️
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23
Dry days
8
Rainy days
0
Snow days
14°/5°
Temperatures
24 km/h
Avg max wind
72 %
Avg humidity
Grayson County Weather December
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Temperatures trend during December in Grayson County
See the weather trend as well as the moving average line
December weather in Grayson County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 |  Sunny | 8° /0° | 0 mm | 3 | |
| Dec. 2 | Sunny | 13° /0° | 0 mm | 5 | |
| Dec. 3 | Sunny | 14° /0° | 0 mm | 5 | |
| Dec. 4 |  Patchy rain possible | 10° /4° | 0.5 mm | 3 | |
| Dec. 5 | Sunny | 11° /2° | 0 mm | 4 | |
| Dec. 6 |  Cloudy | 7° /-1° | 0 mm | 2 | |
| Dec. 7 |  Heavy rain at times | 12° /3° | 1 mm | 3 | |
| Dec. 8 |  Moderate or heavy rain shower | 12° /3° | 2.8 mm | 3 | |
| Dec. 9 |  Overcast | 15° /4° | 0 mm | 4 | |
| Dec. 10 | Overcast | 13° /3° | 0 mm | 4 | |
| Dec. 11 | Sunny | 16° /1° | 0 mm | 5 | |
| Dec. 12 | Overcast | 17° /2° | 0 mm | 5 | |
| Dec. 13 | Patchy rain possible | 13° /5° | 0.2 mm | 3 | |
| Dec. 14 | Moderate or heavy rain shower | 13° /5° | 1.9 mm | 3 | |
| Dec. 15 | Overcast | 12° /2° | 0 mm | 3 | |
| Dec. 16 | Heavy rain at times | 15° /8° | 2.6 mm | 4 | |
| Dec. 17 | Patchy rain possible | 15° /8° | 0.1 mm | 4 | |
| Dec. 18 | Heavy rain at times | 16° /6° | 10.9 mm | 4 | |
| Dec. 19 | Overcast | 13° /1° | 0 mm | 4 | |
| Dec. 20 | Sunny | 15° /4° | 0 mm | 3 | |
| Dec. 21 | Sunny | 11° /2° | 0 mm | 2 | |
| Dec. 22 | Sunny | 16° /4° | 0 mm | 3 | |
| Dec. 23 | Overcast | 18° /13° | 0.2 mm | 2 | |
| Dec. 24 | Moderate or heavy rain shower | 18° /13° | 14 mm | 2 | |
| Dec. 25 | Patchy rain possible | 15° /11° | 0.6 mm | 2 | |
| Dec. 26 | Moderate or heavy rain shower | 18° /13° | 26.2 mm | 3 | |
| Dec. 27 | Overcast | 18° /12° | 0 mm | 2 | |
| Dec. 28 | Moderate or heavy rain shower | 20° /9° | 9.6 mm | 2 | |
| Dec. 29 | Overcast | 11° /4° | 0 mm | 3 | |
| Dec. 30 | Overcast | 15° /4° | 0 mm | 3 | |
| Dec. 31 | Sunny | 14° /3° | 0 mm | 3 | |
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Important Notice
Our weather forecast for Grayson 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 Grayson County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Grayson County in December - FAQ
What are the expected maximum and minimum temperatures in Grayson County during December?
During December, expect a variety of temperatures with highs around 14° and lows near 5°, suitable for diverse activities and preferences.
How much rainfall should be expected in Grayson County during December?
Moderate rainfall is anticipated in Grayson County during December, with a total of 70.5 mm spread over approximately 8 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Grayson County during December?
The average wind speed in Grayson County during December is 24 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Grayson County
Explore the daily rainfall trends and prepare for Grayson Countys December weather 💧
Typically, Grayson County has 8 rainy days in December with a total of 70.5 mm of rainfall.
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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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