Casper (WY)
January
Weather in Casper, Wyoming for January 2026
Your guide to Casper weather in January - trends and predictions
With an average of 3 snowy days, Casper usually enjoys a light touch of snow in January.
In general, the average temperature in Casper at the beginning of January is -1.3 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 0.3 °F by the end of January.
Casper experiences moderate rainfall in January, with an average of 9 rainy days and a total precipitation of 23.8 mm.
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Snow Forecast ❄️
Temperatures
Rain 🌧️
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19
Dry days
9
Rainy days
3
Snow days
-3°/-12°
Temperatures
20 km/h
Avg max wind
79 %
Avg humidity
Casper Weather January
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Temperatures trend during January in Casper
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January weather in Casper day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Jan. 1 |  Partly cloudy | -1° /-11° | 0.2 mm | 0 cm | |
| Jan. 2 |  Light freezing rain | 0° /-10° | 0.1 mm | 0 cm | |
| Jan. 3 | Light freezing rain | 1° /-4° | 0.1 mm | 0 cm | |
| Jan. 4 | Light freezing rain | 0° /-6° | 1.7 mm | 0 cm | |
| Jan. 5 | Light freezing rain | 0° /-8° | 2.2 mm | 0 cm | |
| Jan. 6 | Light freezing rain | -3° /-9° | 1.5 mm | 0 cm | |
| Jan. 7 | Light freezing rain | -6° /-16° | 0.7 mm | 0 cm | |
| Jan. 8 | Light freezing rain | -2° /-15° | 2.2 mm | 0.8 cm | |
| Jan. 9 | Light freezing rain | -2° /-11° | 4.3 mm | 2.5 cm | |
| Jan. 10 |  Overcast | -1° /-11° | 0 mm | 0 cm | |
| Jan. 11 | Light freezing rain | -2° /-5° | 1.2 mm | 0 cm | |
| Jan. 12 | Overcast | -3° /-7° | 0.1 mm | 0 cm | |
| Jan. 13 |  Sunny | -3° /-13° | 0 mm | 0 cm | |
| Jan. 14 | Sunny | -1° /-11° | 0 mm | 0 cm | |
| Jan. 15 |  Cloudy | 0° /-12° | 0 mm | 0 cm | |
| Jan. 16 | Sunny | 3° /-6° | 0 mm | 0 cm | |
| Jan. 17 |  Patchy moderate snow | -2° /-11° | 5.6 mm | 2.1 cm | |
| Jan. 18 | Light freezing rain | -11° /-19° | 1 mm | 0 cm | |
| Jan. 19 | Light freezing rain | -10° /-22° | 0.1 mm | 0 cm | |
| Jan. 20 | Partly cloudy | -17° /-26° | 0 mm | 0 cm | |
| Jan. 21 | Overcast | -6° /-18° | 0 mm | 0 cm | |
| Jan. 22 | Overcast | -6° /-12° | 0.7 mm | 0 cm | |
| Jan. 23 | Sunny | -3° /-12° | 0 mm | 0 cm | |
| Jan. 24 | Light freezing rain | -3° /-10° | 1.7 mm | 0 cm | |
| Jan. 25 | Light freezing rain | -9° /-16° | 0.4 mm | 0 cm | |
| Jan. 26 | Partly cloudy | -3° /-19° | 0 mm | 0 cm | |
| Jan. 27 | Sunny | 1° /-14° | 0 mm | 0 cm | |
| Jan. 28 | Sunny | 3° /-12° | 0 mm | 0 cm | |
| Jan. 29 | Sunny | 4° /-12° | 0 mm | 0 cm | |
| Jan. 30 | Sunny | 3° /-10° | 0 mm | 0 cm | |
| Jan. 31 | Overcast | 3° /-7° | 0 mm | 0 cm | |
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Important Notice
Our weather forecast for Casper 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 Casper forecast closer to your planned date for the most up-to-date weather information.
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Casper in January - FAQ
What are the expected maximum and minimum temperatures in Casper 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 Casper during January?
In January, Casper can expect light to moderate rainfall, totaling 23.8 mm across approximately 9 days. Occasional showers are possible, and planning ahead for them could be helpful.
Will it snow in Casper in January 2026?
Casper experiences an average snowfall of 5.3 cm during January, occurring over 3 days.
What are the typical wind conditions in Casper during January?
The average wind speed in Casper during January is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
Casper snow forecast January 2026
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January rainfall patterns in Casper
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Where is Casper?Get accurate weather forecasts for Casper, located at latitude 42.867 and longitude -106.313. Stay updated with localized weather information tailored for Casper.
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