Johnson County (Iowa City)
June
Weather in Johnson County, Iowa for June 2026
Your guide to Johnson County weather in June - trends and predictions
Flood Warning - See hour by hour.
So far, June 2026 in Johnson County is slightly warmer than the historical average by 1.9 °F.
Expect cooler weather in the next days in Johnson County with the forecast suggesting a temperature of 24.2 °F, lower than the historical average.
In general, the average temperature in Johnson County at the beginning of June is 28 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 29.7 °F by the end of June.
The climate of Johnson County in June is notably wet, with an average of 11 rainy days, and a total of 263.2 mm of precipitation.
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Temperatures
Rain 🌧️
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19
Dry days
11
Rainy days
0
Snow days
29°/18°
Temperatures
21 km/h
Avg max wind
74 %
Avg humidity
Johnson County Weather June
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Temperatures trend during June in Johnson County
See the weather trend as well as the moving average line
June weather in Johnson County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jun. 1 |  Sunny | 27° /13° | 0.5 mm | 9 | |
| Jun. 2 | Sunny | 32° /14° | 0 mm | 10 | |
| Jun. 3 |  Moderate or heavy rain shower | 28° /14° | 17 mm | 9 | |
| Jun. 4 |  Mist | 28° /13° | 4.9 mm | 8 | |
| Jun. 5 |  Overcast | 27° /16° | 14 mm | 7 | |
| Jun. 6 | Overcast | 29° /18° | 0.2 mm | 9 | |
| Jun. 7 | Moderate or heavy rain shower | 25° /18° | 6.7 mm | 8 | |
| Jun. 8 |  Light rain shower | 24° /16° | 17.6 mm | 6 | |
| Jun. 9 |  Partly cloudy | 28° /15° | 0.9 mm | 9 | |
| Jun. 10 | Partly cloudy | 28° /16° | 16.9 mm | 9 | |
| Jun. 11 |  Thundery outbreaks possible | 34° /15° | 0 mm | 7 | |
| Jun. 12 | Sunny | 28° /14° | 0 mm | 9.3 | |
| Jun. 13 | Patchy rain possible | 25° /15° | 0.4 mm | 8.2 | |
| Jun. 14 | Sunny | 21° /11° | 0.1 mm | 9.1 | |
| Jun. 15 | Sunny | 20° /9° | 0 mm | 0.4 | |
| Jun. 16 | Patchy rain possible | 24° /11° | 1.7 mm | 4 | |
| Jun. 17 | Sunny | 26° /14° | 0 mm | 6 | |
| Jun. 18 | Patchy rain possible | 27° /19° | 1.5 mm | 5 | |
| Jun. 19 | Sunny | 23° /14° | 0.1 mm | 5 | |
| Jun. 20 |  Moderate rain | 25° /14° | 7.6 mm | 5 | |
| Jun. 21 | Sunny | 22° /12° | 0 mm | 5 | |
| Jun. 22 | Patchy rain possible | 16° /14° | 4.9 mm | 4 | |
| Jun. 23 | Patchy rain possible | 26° /16° | 3 mm | 5 | |
| Jun. 24 | Patchy rain possible | 28° /20° | 4.7 mm | 5 | |
| Jun. 25 | Patchy rain possible | 28° /20° | 3.1 mm | 5 | |
| Jun. 26 | Moderate or heavy rain shower | 32° /23° | 26 mm | 7 | |
| Jun. 27 | Moderate or heavy rain shower | 27° /21° | 31.1 mm | 6 | |
| Jun. 28 | Fog | 32° /16° | 0 mm | 7 | |
| Jun. 29 | Thundery outbreaks possible | 31° /21° | 11.2 mm | 7 | |
| Jun. 30 | Overcast | 30° /20° | 7.2 mm | 7 | |
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Important Notice
Our weather forecast for Johnson County in June 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 June - FAQ
What are the expected maximum and minimum temperatures in Johnson County during June?
During June, expect a variety of temperatures with highs around 29° and lows near 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in Johnson County during June?
Significant rainfall exceeding 263.2 mm is expected in Johnson County during June, occurring over more than 11 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Johnson County during June?
The average wind speed in Johnson County during June is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
June rainfall patterns in Johnson County
Explore the daily rainfall trends and prepare for Johnson Countys June weather 💧
Typically, Johnson County has 11 rainy days in June with a total of 263.2 mm of rainfall.
UV exposure in Johnson County during June
Stay informed about UV levels for safe outdoor activities throughout the month of June ☀️
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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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