Johnson County (Iowa City)
January
Weather in Johnson County, Iowa for January 2026
Your guide to Johnson County weather in January - trends and predictions
Snowfall in Johnson County during January is quite rare, with fewer than 2 snowy days on average.
In general, the average temperature in Johnson County at the beginning of January is -3.1 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 4.7 °F by the end of January.
With an average of 4 rainy days, Johnson County experiences minimal rainfall in January.
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Snow Forecast ❄️
Temperatures
Rain 🌧️
More
26
Dry days
4
Rainy days
1
Snow days
-2°/-9°
Temperatures
23 km/h
Avg max wind
69 %
Avg humidity
Johnson County Weather January
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Temperatures trend during January in Johnson County
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January weather in Johnson County 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° /-5° | 4.7 mm | 2.9 cm | |
| Jan. 3 |  Sunny | -3° /-9° | 0 mm | 0 cm | |
| Jan. 4 |  Overcast | -5° /-12° | 0 mm | 0 cm | |
| Jan. 5 | Overcast | -5° /-7° | 0 mm | 0 cm | |
| Jan. 6 | Overcast | -4° /-8° | 0 mm | 0 cm | |
| Jan. 7 | Overcast | -5° /-9° | 0 mm | 0 cm | |
| Jan. 8 | Overcast | -6° /-11° | 0 mm | 0 cm | |
| Jan. 9 | Overcast | -1° /-10° | 0 mm | 0 cm | |
| Jan. 10 |  Light freezing rain | 0° /-4° | 1.3 mm | 0 cm | |
| Jan. 11 |  Cloudy | 0° /-6° | 0 mm | 0 cm | |
| Jan. 12 | Overcast | 0° /-6° | 0 mm | 0 cm | |
| Jan. 13 | Sunny | -6° /-12° | 0 mm | 0 cm | |
| Jan. 14 | Sunny | -8° /-14° | 0.5 mm | 0 cm | |
| Jan. 15 | Cloudy | -4° /-16° | 0 mm | 0 cm | |
| Jan. 16 | Overcast | 1° /-4° | 0 mm | 0 cm | |
| Jan. 17 | Overcast | 5° /-4° | 0 mm | 0 cm | |
| Jan. 18 | Cloudy | -1° /-10° | 0 mm | 0 cm | |
| Jan. 19 | Sunny | -11° /-17° | 0 mm | 0 cm | |
| Jan. 20 | Cloudy | -9° /-18° | 0.1 mm | 0 cm | |
| Jan. 21 | Sunny | -13° /-21° | 0 mm | 0 cm | |
| Jan. 22 | Light freezing rain | -3° /-14° | 1.4 mm | 0 cm | |
| Jan. 23 | Partly cloudy | -5° /-13° | 0 mm | 0 cm | |
| Jan. 24 | Overcast | -4° /-17° | 0 mm | 0 cm | |
| Jan. 25 | Overcast | 1° /-5° | 0 mm | 0 cm | |
| Jan. 26 | Sunny | 0° /-10° | 0 mm | 0 cm | |
| Jan. 27 | Partly cloudy | 4° /-7° | 0 mm | 0 cm | |
| Jan. 28 | Partly cloudy | 7° /-6° | 0 mm | 0 cm | |
| Jan. 29 | Sunny | 7° /-1° | 0 mm | 0 cm | |
| Jan. 30 | Overcast | 7° /-1° | 0 mm | 0 cm | |
| Jan. 31 |  Heavy rain | 7° /0° | 33.6 mm | 0 cm | |
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Important Notice
Our weather forecast for Johnson County 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 Johnson County forecast closer to your planned date for the most up-to-date weather information.
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Johnson County in January - FAQ
What are the expected maximum and minimum temperatures in Johnson County 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 Johnson County during January?
In January, Johnson County can expect light to moderate rainfall, totaling 41.6 mm across approximately 4 days. Occasional showers are possible, and planning ahead for them could be helpful.
Will it snow in Johnson County in January 2026?
Johnson County typically sees 2.9 cm of snowfall during January.
What are the typical wind conditions in Johnson County during January?
The average wind speed in Johnson County during January is 23 km/h, suggesting breezy to windy conditions, depending on your activities.
Johnson County snow forecast January 2026
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January rainfall patterns in Johnson County
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Where is Johnson County?Get accurate weather forecasts for Johnson County, located at latitude 41.661 and longitude -91.53. Stay updated with localized weather information tailored for Johnson County.
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