easeweather.com
Johnson County (Iowa City)
Akron (OH)Albuquerque (NM)Alexandria (VA)Anaheim (CA)Anchorage (AK)Arlington (VA)Asheville (NC)Atlanta (GA)Atlantic City (NJ)Austin (TX)Baltimore (MD)Baton Rouge (LA)Birmingham (AL)Boston (MA)Bowling Green (KY)Brooklyn (NY)Buffalo (NY)Cape Coral (FL)Charlotte (NC)Chattanooga (TN)Chicago (IL)Cincinnati (OH)Cleveland (OH)Colorado Springs (CO)Columbus (OH)Corpus Christi (TX)Dallas (TX)Dayton (OH)Daytona Beach (FL)Denver (CO)Des Moines (IA)Detroit (MI)El Paso (TX)Fairbanks (AK)Fort Lauderdale (FL)Fort Wayne (IN)Fort Worth (TX)Gatlinburg (TN)Grand Rapids (MI)Harrisburg (PA)Honolulu (HI)Houston (TX)Huntsville (AL)Indianapolis (IN)Iowa City (IA)Jackson (MS)Jacksonville (FL)Juneau (AK)Kansas City (MO)Ketchikan (AK)Key West (FL)Knoxville (TN)Las Vegas (NV)Lexington (KY)Lincoln (NE)Little Rock (AR)Los Angeles (CA)Louisville (KY)Madison (WI)Manhattan (NY)Memphis (TN)Miami (FL)Milwaukee (WI)Minneapolis (MN)Mobile (AL)Montgomery (AL)Nashville (TN)New Orleans (LA)New York City (NY)Newark (NJ)Oklahoma City (OK)Omaha (NE)Orlando (FL)Philadelphia (PA)Phoenix (AZ)Pittsburgh (PA)Portland (OR)Richmond (VA)Sacramento (CA)Salt Lake City (UT)San Antonio (TX)San Diego (CA)San Francisco (CA)San Jose (CA)Savannah (GA)Seattle (WA)Skagway (AK)Springfield (MO)St. Louis (MO)St. Petersburg (FL)Tallahassee (FL)Tampa (FL)Toledo (OH)Traverse City (MI)Tulsa (OK)Tyler (TX)Vancouver (WA)Virginia Beach (VA)WashingtonWichita (KS)Winston-Salem (NC) More Locations
United States weather

Weather in Johnson County, Iowa for July 2026

Your guide to Johnson County weather in July - trends and predictions

    Temperatures

  • Until now, July 2026 in Johnson County has been nearly identical to the historical average, with a temperature of 31.2 °F (showing only a slight deviation of 0.3 °F).

  • Expect cooler weather in the next days in Johnson County with the forecast suggesting a temperature of 28.2 °F, lower than the historical average.

  • In general, the average temperature in Johnson County at the beginning of July is 32.1 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 29.1 °F by the end of July.

    • Rain 🌧️

  • Johnson County in July brings notable rainfall, with an average of 19 rainy days and a total precipitation of 422.9 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
12
Dry days
Average rainy days
19
Rainy days
Average snowy days
0
Snow days
Average temperatures
31°/20°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
78 %
Avg humidity

Johnson County Weather July

Move between months or click on a day
June
August
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Fog
33°
2
Cloudy
34°
3
Partly cloudy
34°
4
Overcast
32°
5
Light rain shower
31°
6
Fog
30°
7
Cloudy
31°
8
Torrential rain shower
29°
9
Fog
30°
10
Moderate or heavy rain shower
30°
11
Thundery outbreaks possible
33°
12
Mist
31°
13
Overcast
29°
14
Fog
34°
15
Light rain shower
32°
16
Moderate or heavy rain with thunder
32°
17
Moderate or heavy rain shower
28°
18
Overcast
29°
19
Fog
33°
20
Thundery outbreaks possible
29°
21
Torrential rain shower
28°
22
Thundery outbreaks possible
30°
23
Thundery outbreaks possible
32°
24
Overcast
29°
25
Fog
30°
26
Light rain shower
30°
27
Sunny
35°
28
Sunny
31°
29
Sunny
29°
30
Sunny
29°
31
Patchy rain possible
20°

Temperatures trend during July in Johnson County

See the weather trend as well as the moving average line

July weather in Johnson County day by day

Click on a date for more information
June August
Date Weather Temperatures Rain UV More
Jul. 1 Fog
Fog
 33° /20° 3 mm 10
Jul. 2 Cloudy
Cloudy
 34° /21° 0.8 mm 10
Jul. 3 Partly cloudy
Partly cloudy
 34° /19° 12.2 mm 10
Jul. 4 Overcast
Overcast
 32° /21° 1.5 mm 10
Jul. 5 Light rain shower
Light rain shower
 31° /21° 14 mm 10
Jul. 6 Fog
Fog
 30° /20° 0.2 mm 9
Jul. 7 Cloudy
Cloudy
 31° /19° 0.2 mm 9
Jul. 8 Torrential rain shower
Torrential rain shower
 29° /19° 23.2 mm 9
Jul. 9 Fog
Fog
 30° /20° 3.6 mm 8
Jul. 10 Moderate or heavy rain shower
Moderate or heavy rain shower
 30° /20° 8.3 mm 8
Jul. 11 Thundery outbreaks possible
Thundery outbreaks possible
 33° /19° 8.2 mm 10
Jul. 12 Mist
Mist
 31° /18° 0 mm 9
Jul. 13 Overcast
Overcast
 29° /18° 0 mm 9
Jul. 14 Fog
Fog
 34° /17° 0 mm 9
Jul. 15 Light rain shower
Light rain shower
 32° /19° 1.6 mm 9
Jul. 16 Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 32° /21° 55.2 mm 9
Jul. 17 Moderate or heavy rain shower
Moderate or heavy rain shower
 28° /18° 8.5 mm 8
Jul. 18 Overcast
Overcast
 29° /20° 0.7 mm 9
Jul. 19 Fog
Fog
 33° /20° 0 mm 9
Jul. 20 Thundery outbreaks possible
Thundery outbreaks possible
 29° /20° 6.4 mm 9
Jul. 21 Torrential rain shower
Torrential rain shower
 28° /19° 56.8 mm 9
Jul. 22 Thundery outbreaks possible
Thundery outbreaks possible
 30° /18° 0 mm 9
Jul. 23 Thundery outbreaks possible
Thundery outbreaks possible
 32° /18° 0 mm 10
Jul. 24 Overcast
Overcast
 29° /19° 0.6 mm 9
Jul. 25 Fog
Fog
 30° /20° 0.8 mm 6
Jul. 26 Light rain shower
Light rain shower
 30° /21° 35.5 mm 7
Jul. 27 Sunny
Sunny
 35° /22° 1.4 mm 9.1
Jul. 28 Sunny
Sunny
 31° /22° 0 mm 7.4
Jul. 29 Sunny
Sunny
 29° /18° 0.1 mm 8.8
Jul. 30 Sunny
Sunny
 29° /17° 0 mm 7.8
Jul. 31 Patchy rain possible
Patchy rain possible
 20° /19° 1.8 mm 4
Next
Important Notice
Our weather forecast for Johnson County in July 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.
Change Month
‹
›

Johnson County in July - FAQ

What are the expected maximum and minimum temperatures in Johnson County during July?
Expect warm days with temperatures around 31°, cooling to mild conditions of 20° after sunset. Perfect for those who enjoy warm weather.

How much rainfall should be expected in Johnson County during July?
Significant rainfall exceeding 422.9 mm is expected in Johnson County during July, occurring over more than 19 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Johnson County during July?
The average wind speed in Johnson County during July is 16 km/h, suggesting breezy to windy conditions, depending on your activities.

July rainfall patterns in Johnson County

Explore the daily rainfall trends and prepare for Johnson Countys July weather 💧
Typically, Johnson County has 19 rainy days in July with a total of 422.9 mm of rainfall.

UV exposure in Johnson County during July

Stay informed about UV levels for safe outdoor activities throughout the month of July ☀️
Top locations in Johnson County
Select a location for an accurate weather forecast
Iowa CityOlatheOverland Park
More Locations

Quick links

More Johnson County weather pages
You are here
Location coordinates 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.

Found a mistake?
We appreciate your attention to details. Tell us here.