Weld County (Greeley)
December
Weather in Weld County for December 2025
Your guide to Weld County weather in December - trends and predictions
In general, the average temperature in Weld County at the beginning of December is 9.6 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 6.6 °F by the end of December.
Precipitation in Weld County during December is a rare event, with an average of fewer than 2 rainy days.
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Temperatures
Rain 🌧️
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31
Dry days
0
Rainy days
0
Snow days
7°/-4°
Temperatures
18 km/h
Avg max wind
60 %
Avg humidity
Weld County Weather December
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  8° | 2 8° | 3  10° | 4 9° | 5 12° | 6 10° | |
| 7 10° | 8  7° | 9 2° | 10 3° | 11 7° | 12 4° | 13 2° |
| 14 8° | 15 11° | 16  5° | 17 7° | 18 6° | 19 9° | 20 7° |
| 21 10° | 22 10° | 23  9° | 24 9° | 25 6° | 26 7° | 27 8° |
| 28 6° | 29 8° | 30 9° | 31 2° |
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Temperatures trend during December in Weld County
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 | Sunny | 8° /-4° | 0 mm | 3 | |
| Dec. 2 | Sunny | 8° /-3° | 0 mm | 3 | |
| Dec. 3 | Mist | 10° /-7° | 0 mm | 2 | |
| Dec. 4 | Mist | 9° /-6° | 0 mm | 2 | |
| Dec. 5 | Mist | 12° /-5° | 0 mm | 3 | |
| Dec. 6 | Mist | 10° /-6° | 0 mm | 3 | |
| Dec. 7 | Sunny | 10° /-4° | 0 mm | 4 | |
| Dec. 8 | Overcast | 7° /-3° | 0 mm | 2 | |
| Dec. 9 | Overcast | 2° /-4° | 0 mm | 1 | |
| Dec. 10 | Sunny | 3° /-6° | 0 mm | 2 | |
| Dec. 11 | Sunny | 7° /-5° | 0 mm | 3 | |
| Dec. 12 | Overcast | 4° /-3° | 0 mm | 1 | |
| Dec. 13 | Overcast | 2° /-2° | 0 mm | 1 | |
| Dec. 14 | Sunny | 8° /-3° | 0 mm | 3 | |
| Dec. 15 | Sunny | 11° /-2° | 0 mm | 4 | |
| Dec. 16 | Partly cloudy | 5° /-5° | 0 mm | 3 | |
| Dec. 17 | Overcast | 7° /-4° | 0 mm | 2 | |
| Dec. 18 | Sunny | 6° /-6° | 0 mm | 3 | |
| Dec. 19 | Mist | 9° /-5° | 0 mm | 2 | |
| Dec. 20 | Partly cloudy | 7° /-5° | 0 mm | 3 | |
| Dec. 21 | Sunny | 10° /-3° | 0 mm | 4 | |
| Dec. 22 | Overcast | 10° /-2° | 0 mm | 3 | |
| Dec. 23 | Cloudy | 9° /-2° | 0 mm | 2 | |
| Dec. 24 | Mist | 9° /-3° | 0 mm | 2 | |
| Dec. 25 | Mist | 6° /-4° | 0 mm | 2 | |
| Dec. 26 | Mist | 7° /-3° | 0 mm | 2 | |
| Dec. 27 | Overcast | 8° /0° | 0 mm | 2 | |
| Dec. 28 | Overcast | 6° /-3° | 0 mm | 2 | |
| Dec. 29 | Partly cloudy | 8° /-3° | 0 mm | 3 | |
| Dec. 30 | Partly cloudy | 9° /-2° | 0 mm | 3 | |
| Dec. 31 | Cloudy | 2° /-7° | 0 mm | 1 | |
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Important Notice
Our weather forecast for Weld 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 Weld County forecast closer to your planned date for the most up-to-date weather information.
Weld County in December - FAQ
What are the expected maximum and minimum temperatures in Weld County during December?
Prepare for cooler days with highs just around 7° and colder nights, dipping below -4°.
How much rainfall should be expected in Weld County during December?
Rainfall in Weld County during December is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 0 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
Will it snow in Weld County in December 2025?
Weld County typically sees 0 cm of snowfall during December.
What are the typical wind conditions in Weld County during December?
The average wind speed in Weld County during December is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
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