Waterloo (IA)
January
Weather in Waterloo, Iowa for January 2026
Your guide to Waterloo weather in January - trends and predictions
With an average of 2 snowy days, Waterloo usually enjoys a light touch of snow in January.
In general, the average temperature in Waterloo at the beginning of January is -3.3 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 4.3 °F by the end of January.
With an average of 2 rainy days, Waterloo experiences minimal rainfall in January.
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Snow Forecast ❄️
Temperatures
Rain 🌧️
More
27
Dry days
2
Rainy days
2
Snow days
-2°/-10°
Temperatures
24 km/h
Avg max wind
63 %
Avg humidity
Waterloo Weather January
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Temperatures trend during January in Waterloo
See the weather trend as well as the moving average line
January weather in Waterloo day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Jan. 1 |  Partly cloudy | 0° /-3° | 0 mm | 0 cm | |
| Jan. 2 |  Moderate snow | 0° /-6° | 4.1 mm | 2.8 cm | |
| Jan. 3 |  Sunny | -3° /-10° | 0 mm | 0 cm | |
| Jan. 4 |  Overcast | -5° /-12° | 0 mm | 0 cm | |
| Jan. 5 | Overcast | -6° /-9° | 0 mm | 0 cm | |
| Jan. 6 | Overcast | -4° /-10° | 0 mm | 0 cm | |
| Jan. 7 | Overcast | -5° /-10° | 0 mm | 0 cm | |
| Jan. 8 | Overcast | -6° /-12° | 0 mm | 0 cm | |
| Jan. 9 | Overcast | -2° /-10° | 0 mm | 0 cm | |
| Jan. 10 |  Light freezing rain | 0° /-5° | 0.3 mm | 0 cm | |
| Jan. 11 | Light freezing rain | 0° /-7° | 0.1 mm | 0 cm | |
| Jan. 12 |  Cloudy | -1° /-8° | 0 mm | 0 cm | |
| Jan. 13 | Sunny | -6° /-13° | 0.1 mm | 0 cm | |
| Jan. 14 | Sunny | -9° /-16° | 1.2 mm | 0.4 cm | |
| Jan. 15 | Cloudy | -3° /-15° | 0 mm | 0 cm | |
| Jan. 16 | Overcast | 0° /-4° | 0 mm | 0 cm | |
| Jan. 17 | Overcast | 3° /-3° | 0 mm | 0 cm | |
| Jan. 18 | Partly cloudy | -4° /-12° | 0 mm | 0 cm | |
| Jan. 19 | Cloudy | -14° /-18° | 0 mm | 0 cm | |
| Jan. 20 | Partly cloudy | -14° /-20° | 0 mm | 0 cm | |
| Jan. 21 | Sunny | -13° /-23° | 0 mm | 0 cm | |
| Jan. 22 | Light freezing rain | -3° /-13° | 0.9 mm | 0 cm | |
| Jan. 23 | Partly cloudy | -6° /-14° | 0.1 mm | 0 cm | |
| Jan. 24 | Overcast | -4° /-18° | 0 mm | 0 cm | |
| Jan. 25 | Overcast | 0° /-6° | 0 mm | 0 cm | |
| Jan. 26 | Sunny | -1° /-12° | 0 mm | 0 cm | |
| Jan. 27 | Partly cloudy | 3° /-8° | 0 mm | 0 cm | |
| Jan. 28 | Overcast | 6° /-7° | 0 mm | 0 cm | |
| Jan. 29 | Sunny | 5° /-3° | 0 mm | 0 cm | |
| Jan. 30 | Overcast | 8° /-2° | 0 mm | 0 cm | |
| Jan. 31 | Overcast | 9° /-1° | 0 mm | 0 cm | |
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Important Notice
Our weather forecast for Waterloo 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 Waterloo forecast closer to your planned date for the most up-to-date weather information.
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Waterloo in January - FAQ
What are the expected maximum and minimum temperatures in Waterloo during January?
Brace for cold days with temperatures not exceeding -2° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Waterloo during January?
Rainfall in Waterloo during January is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 2 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
Will it snow in Waterloo in January 2026?
Waterloo experiences an average snowfall of 3.2 cm during January, occurring over 2 days.
What are the typical wind conditions in Waterloo during January?
The average wind speed in Waterloo during January is 24 km/h, suggesting breezy to windy conditions, depending on your activities.
Waterloo snow forecast January 2026
Track daily snowfall levels and discover Waterloo’s snowy potential this January ❄️
January rainfall patterns in Waterloo
Explore the daily rainfall trends and prepare for Waterloos January weather 💧
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