Iowa City weather in June: Iowa City, Iowa: normal highs, lows, rain and records for June

Iowa City in June has a normal high of 83°F and a normal low of 62°F, a daily mean of 72°F, rising from 79°F on the 1st to 85°F by the 30th. Measurable precipitation falls on 12 days in a normal June, 5.29 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 28°C and low of 17°C, 134 mm of precipitation in June.

  • NOAA stationIowa City Municipal Airport
  • Station IDUSW00014937
  • Location41.63°N 91.54°W
  • Elevation650 ft (198 m)
  • From the center2 miles
  • Population76,710
  1. Jan 31° 15°
  2. Feb 36° 19°
  3. Mar 50° 30°
  4. Apr 63° 40°
  5. May 73° 52°
  6. Jun 83° 62°
  7. Jul 86° 66°
  8. Aug 84° 63°
  9. Sep 78° 54°
  10. Oct 64° 42°
  11. Nov 49° 30°
  12. Dec 36° 20°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Iowa City in June?

The normal high is 83°F and the normal low 62°F, for a daily mean of 72.4°F. June is 9.8°F warmer than May and 3.4°F cooler than July. June is the 3rd warmest month of the year in Iowa City and the wettest. Across the month the normal high rises 6°F, from 79°F on June 1 to 85°F on June 30. From one year to the next June's mean temperature typically moves about 1.8°F either way (NOAA's standard deviation), so roughly two Junes in three average between 71°F and 74°F.

Iowa City in June, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 42%).

Normal high and low on five days of June, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
June 179°F58°F42%27%
June 881°F60°F41%27%
June 1583°F62°F40%26%
June 2284°F64°F37%25%
June 3085°F65°F34%22%
Every day of June: normal high, low and chance of precipitation (warmest afternoon June 30, coldest night June 1)
Iowa City: NOAA 1991-2020 daily normals for each day of June
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
June 179°F58°F42%27%15 h
June 279°F58°F42%27%15 h
June 380°F59°F42%27%15 h
June 480°F59°F42%27%15 h
June 580°F59°F42%27%15 h
June 681°F60°F42%27%15 h
June 781°F60°F41%27%15 h
June 881°F60°F41%27%15 h 10 min
June 981°F61°F41%27%15 h 10 min
June 1082°F61°F41%27%15 h 10 min
June 1182°F61°F41%27%15 h 10 min
June 1282°F62°F41%27%15 h 10 min
June 1382°F62°F40%27%15 h 10 min
June 1483°F62°F40%26%15 h 10 min
June 1583°F62°F40%26%15 h 10 min
June 1683°F63°F40%26%15 h 10 min
June 1783°F63°F39%26%15 h 10 min
June 1883°F63°F39%26%15 h 10 min
June 1984°F63°F38%25%15 h 10 min
June 2084°F63°F38%25%15 h 10 min
June 2184°F64°F38%25%15 h 10 min
June 2284°F64°F37%25%15 h 10 min
June 2384°F64°F37%24%15 h 10 min
June 2484°F64°F36%24%15 h 10 min
June 2585°F64°F36%24%15 h 10 min
June 2685°F65°F36%23%15 h 10 min
June 2785°F65°F35%23%15 h 10 min
June 2885°F65°F35%23%15 h 10 min
June 2985°F65°F34%22%15 h 10 min
June 3085°F65°F34%22%15 h 10 min
Normal high
83°FJune average
Normal low
62°FJune average
Precipitation
5.29 inmonth total
Days with precipitation
120.01 inch or more
Days at 90°F or more
4
Daylight
15 h to 15 h 10 minJune 1 to June 30
Days at 70°F or more
29
Days at 80°F or more
19
Sunshine
77%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00014937; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Iowa City in June?

On a given June day the chance of 0.01 inch or more is 39% on average, highest around June 1 (42%). In all, 5.29 in falls on 12 days of a normal June, 1 of them with an inch or more.

In a normal June in Iowa City, 4 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014937.

What are the records for June in Iowa City?

The warmest June temperature on this station's record (since 1948) is 99°F, on June 28, 2012; the coldest is 41°F, on June 4, 1950. The wettest June brought 9.80 in (2014).

The June mean against the 1991-2020 normal of 72.4°F: 2021 75.4°F (+3.0), 2022 73.8°F (+1.4), 2023 73.0°F (+0.6), 2024 74.1°F (+1.7), 2025 74.4°F (+2.0), 2026 72.4°F (at normal). 5 of 6 ran warmer than normal.

Iowa City: June in recent years against the 1991-2020 normal
JuneMeanAgainst normalPrecip.
202175.4°F+3.0°F2.67 in
202273.8°F+1.4°F4.18 in
202373.0°F+0.6°F1.39 in
202474.1°F+1.7°F5.09 in
202574.4°F+2.0°F2.15 in
202672.4°Fat normal9.35 in

Source: records: ACIS, station USW00014937; recent months: ACIS, station USW00014937. Records and recent months use complete months only.

How does June in Iowa City compare across Iowa?

Across the 132 places PlainClimate covers in Iowa, June normal highs run from 76°F in Northwood to 84°F in Harlan; Iowa City's is 83°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places