Greeley
December
Weather in Greeley for December 2025
Your guide to Greeley weather in December - trends and predictions
In general, the average temperature in Greeley 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 Greeley 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
Greeley 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 Greeley
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 Greeley 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 Greeley forecast closer to your planned date for the most up-to-date weather information.
Greeley in December - FAQ
What are the expected maximum and minimum temperatures in Greeley during December?
Prepare for cooler days with highs just around 7° and colder nights, dipping below -4°.
How much rainfall should be expected in Greeley during December?
Rainfall in Greeley 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 Greeley in December 2025?
Greeley typically sees 0 cm of snowfall during December.
What are the typical wind conditions in Greeley during December?
The average wind speed in Greeley during December is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
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