Grand Junction (CO)
January
Weather in Grand Junction, Colorado for January 2026
Your guide to Grand Junction weather in January - trends and predictions
In general, the average temperature in Grand Junction at the beginning of January is 4.4 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 5.6 °F by the end of January.
With an average of 3 rainy days, Grand Junction experiences minimal rainfall in January.
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Temperatures
Rain 🌧️
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28
Dry days
3
Rainy days
0
Snow days
3°/-7°
Temperatures
10 km/h
Avg max wind
61 %
Avg humidity
Grand Junction Weather January
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Temperatures trend during January in Grand Junction
See the weather trend as well as the moving average line
January weather in Grand Junction day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jan. 1 |  Overcast | 2° /-7° | 0 mm | 1 | |
| Jan. 2 | Overcast | 6° /-4° | 0 mm | 2 | |
| Jan. 3 | Overcast | 8° /-3° | 0 mm | 2 | |
| Jan. 4 |  Heavy rain at times | 6° /0° | 3 mm | 2 | |
| Jan. 5 |  Sunny | 3° /-4° | 0 mm | 2 | |
| Jan. 6 | Overcast | 3° /-6° | 0 mm | 1 | |
| Jan. 7 | Overcast | 3° /-4° | 0 mm | 1 | |
| Jan. 8 |  Partly cloudy | 1° /-7° | 0 mm | 2 | |
| Jan. 9 |  Cloudy | 4° /-5° | 0 mm | 1 | |
| Jan. 10 | Sunny | 2° /-8° | 0 mm | 2 | |
| Jan. 11 |  Light freezing rain | 2° /-5° | 0.3 mm | 1 | |
| Jan. 12 | Sunny | 1° /-8° | 0 mm | 2 | |
| Jan. 13 | Sunny | 1° /-9° | 0 mm | 2 | |
| Jan. 14 | Sunny | 1° /-10° | 0 mm | 2 | |
| Jan. 15 | Sunny | 2° /-10° | 0 mm | 2 | |
| Jan. 16 | Sunny | 3° /-6° | 0 mm | 2 | |
| Jan. 17 | Partly cloudy | 5° /-8° | 0 mm | 3 | |
| Jan. 18 | Light freezing rain | 0° /-7° | 1.2 mm | 1 | |
| Jan. 19 | Overcast | -3° /-12° | 0 mm | 1 | |
| Jan. 20 | Partly cloudy | -3° /-12° | 0 mm | 2 | |
| Jan. 21 | Overcast | -3° /-16° | 0 mm | 1 | |
| Jan. 22 | Sunny | 0° /-12° | 0 mm | 2 | |
| Jan. 23 | Sunny | 0° /-11° | 0 mm | 2 | |
| Jan. 24 | Overcast | 1° /-12° | 0 mm | 1 | |
| Jan. 25 | Overcast | 3° /-3° | 0 mm | 1 | |
| Jan. 26 | Overcast | 6° /-4° | 0 mm | 2 | |
| Jan. 27 | Sunny | 7° /-5° | 0 mm | 3 | |
| Jan. 28 | Partly cloudy | 4° /-5° | 0 mm | 2 | |
| Jan. 29 | Overcast | 3° /-5° | 0 mm | 1 | |
| Jan. 30 | Sunny | 7° /-5° | 0 mm | 3 | |
| Jan. 31 | Sunny | 9° /-8° | 0 mm | 3 | |
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Important Notice
Our weather forecast for Grand Junction 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 Grand Junction forecast closer to your planned date for the most up-to-date weather information.
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Grand Junction in January - FAQ
What are the expected maximum and minimum temperatures in Grand Junction during January?
Brace for cold days with temperatures not exceeding 3° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Grand Junction during January?
Rainfall in Grand Junction during January is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 3 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
Will it snow in Grand Junction in January 2026?
Grand Junction typically sees 0 cm of snowfall during January.
What are the typical wind conditions in Grand Junction during January?
The average wind speed in Grand Junction during January is 10 km/h, suggesting breezy to windy conditions, depending on your activities.
January rainfall patterns in Grand Junction
Explore the daily rainfall trends and prepare for Grand Junctions January weather 💧
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