World Resorts USA Iowa City

Iowa City Monthly Weather Averages

Please click on any column to get detailed information about Iowa City weather in that particular month. You will get daily weather information for that month for the last several years.

Day & Night air temperature, °F

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
14
28
42
56
70
84
98
36.3
48.1
62.8
78.2
82.4
81.2
78.7
67.6
55.3
47.4
31.5
26.6
28.8
38.5
49.0
59.9
66.9
67.5
64.8
55.0
44.1
37.1
22.1
19.7
Day temperature   
Night temperature

The warmest month in Iowa City is august. The average daily temp is 82.4°F. The average nightly temp is 66.9°F.

Precipitation total, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.3
0.6
0.9
1.2
1.5
1.8
2.1
0.5
0.6
0.8
0.8
1
1.1
1.5
1.7
1.3
1.1
0.3
0.6

February is the month with least precipitations during the year. The average precipitation totals for this month is 0.3 in. The month with most precipitation total is May.

Number of rainy days

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
5
1
1
1
2
2
2
3
4
3
3
1
1

This chart shows averages for the last three years. It shows medium and heavy rains only, it doesn't show light rains.

Wind speed, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
1
2
3
4
5
6
7
8
9
10
11
12
13
9.6
10.2
10
9
7.9
7.1
8.6
9.6
11.4
11.5
10.1
9.5
Sunny, partly cloudy and cloudy days
1
2
3
4
5
6
7
8
9
10
11
12
0
5
10
15
20
25
30
35
11
8
7
4
5
7
6
11
13
13
11
16
11
9
8
7
10
13
12
10
7
8
10
8
9
13
16
19
17
11
12
10
10
10
8
7
Cloudy days   
Partly cloudy days   
Sunny days
Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
1
2
3
4
5
6
7
8
9
10
11
4.3
5.6
7.3
9.4
9.5
9
9.3
7.5
6.7
5.8
5.5
4.1

Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.

* Charts above show average data for the last 3 years.

Best time for vacation in Iowa City

Sunniest months:
September 19 days
August 17 days
October 16 days
Warmest months:
August 82.4 °F
July 81.2 °F
June 78.7 °F
Coldest months:
January 26.6 °F
February 31.5 °F
December 36.3 °F
Rainiest months:
May 4 days
April 3 days
June 3 days
Windiest months:
March 11.5 mph
April 11.4 mph
November 10.2 mph

Iowa City on a weather map

Leaflet | Tiles © Esri
Places in USA:
Name
°F
Boston
+41°F
Washington
+59°F
Hawaii
+73°F
Honolulu
+73°F
Las Vegas
+45°F
Los Angeles
+52°F
Miami
+77°F
New York
+48°F
Orlando
+73°F
San Diego
+50°F
San Francisco
+48°F
Sarasota
+73°F
Tampa
+73°F
Houston
+73°F
Chicago
+43°F
all places
24 Hours Forecast
Iowa City
Local time: 09:07
April 05, saturday
1200
45°F
S
15 mph
1500
46°F
S
17 mph
1800
46°F
S
12 mph
2100
37°F
S
9 mph
April 06, sunday
0000
32°F
S
8 mph
0300
28°F
S
6 mph
0600
28°F
S
6 mph
0900
39°F
SW
8 mph
Units of measurement: °C / °F