Iowa City, Iowa, United States Climate

Weather: 4.14°C/39.45°F, Wind SW at 2.57 km/h, 75% Humidity, 0% Chance of rain

United States
(Photo by Lee Chinyama on Unsplash)
Contents

Iowa City Climate Summary

Located at an elevation of None meters (0 feet) above sea level, Iowa City has a Humid continental, no dry season, hot summer climate (Classification: Dfa). The district’s yearly temperature is 10.49ºC (50.88ºF) and it is -2.15% lower than United States’s averages. Iowa City typically receives about 39.25 millimeters (1.55 inches) of precipitation and has 42.19 rainy days (11.56% of the time) annually.

CountryUnited States
CityIowa
Longitude-91.5301683
Latitude41.6611277
Attitude/ElevationNonem (0ft)
Local timeSaturday 04:34
Annual high temperature13.61ºC (56.5ºF)
Annual low temperature5.59ºC (42.06ºF)
Average annual precip.39.25mm (1.55in)
Warmest monthJuly (27.4ºC / 81.32ºF)
Coldest MonthJanuary (-9.54ºC / 14.83ºF)
Wettest MonthMay (77.99mm / 3.07in)
Driest MonthDecember (21.25mm / 0.84in)
Number of days with rainfall (≥ 1.0 mm)42.19 days (11.56%)
Days with no rain322.81 days (88.44%)
Humidity78.11%

Climate Iowa City: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)13.0(55.4)17.0(62.6)21.0(69.8)27.0(80.6)35.0(95.0)33.0(91.4)32.0(89.6)33.0(91.4)31.0(87.8)29.0(84.2)21.0(69.8)14.0(57.2)35.0(95.0)
Average high °C (°F)-2.51(27.48)-1.62(29.08)7.2(44.96)12.61(54.7)20.95(69.71)26.08(78.94)27.4(81.32)26.7(80.06)23.29(73.92)14.03(57.25)6.39(43.5)2.83(37.09)13.61(56.5)
Daily mean °C (°F)-5.25(22.55)-4.36(24.15)4.06(39.31)9.09(48.36)17.81(64.06)22.87(73.17)24.54(76.17)23.18(73.72)19.66(67.39)10.55(50.99)3.4(38.12)0.28(32.5)10.49(50.88)
Average low °C (°F)-9.54(14.83)-8.59(16.54)-0.51(31.08)3.69(38.64)12.3(54.14)17.14(62.85)18.92(66.06)17.33(63.19)14.21(57.58)5.96(42.73)-0.66(30.81)-3.19(26.26)5.59(42.06)
Record low °C (°F)-33.0(-27.4)-21.0(-5.8)-23.0(-9.4)-8.0(17.6)1.0(33.8)9.0(48.2)12.0(53.6)12.0(53.6)5.0(41.0)-4.0(24.8)-16.0(3.2)-14.0(6.8)-33.0(-27.4)
Average precipitation mm (inches)22.55(0.89)23.4(0.92)27.79(1.09)37.18(1.46)77.99(3.07)57.35(2.26)50.78(2.0)31.62(1.24)53.85(2.12)37.13(1.46)30.1(1.19)21.25(0.84)39.25(1.55)
Average precipitation days (≥ 1.0 mm)2.823.182.733.365.454.644.913.554.03.642.181.733.52
Average relative humidity (%)81.0581.8572.6671.4779.1281.7385.1981.881.2171.2974.575.4278.11
Mean monthly sunshine hours6.767.849.349.3312.1213.2313.4310.6210.129.247.056.989.67

Climate Graph

The chart below shows the mean monthly temperature and precipitation of Iowa City in recent years.

Iowa City

Iowa City Temperature by Month

July
24.54°C | 76.17°F
August
23.18°C | 73.72°F
June
22.87°C | 73.17°F
September
19.66°C | 67.39°F
May
17.81°C | 64.06°F
October
10.55°C | 50.99°F
April
9.09°C | 48.36°F
March
4.06°C | 39.31°F
November
3.4°C | 38.12°F
December
0.28°C | 32.5°F
February
-4.36°C | 24.15°F
January
-5.25°C | 22.55°F

Historical Data

Summary
  • 2020
  • 2019
  • 2018
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature26.0°C (78.8°F)10.37°C (50.67°F)-1.0°C (30.2°F)
Avg Temperature19.0°C (66.2°F)6.7°C (44.06°F)-3.0°C (26.6°F)
Min Temperature12.0°C (53.6°F)1.0°C (33.8°F)-8.0°C (17.6°F)
Dew PointMaxAverageMin
Dew Point10.0°C (50.0°F)-0.87°C (30.43°F)-16.0°C (3.2°F)
PrecipitationMaxAverageMinSum
Precipitation36.7mm | 1.44in2.97mm | 0.12in0.0mm | 0in89.1mm | 3.51in
Snowdepth11.3mm | 0.44in0.8mm | 0.03in0.0mm | 0in23.9mm | 0.94in
WindMaxAverageMin
Wind32.0kmh | 19.88mph16.67kmh | 10.36mph8.0kmh | 4.97mph
Gust Wind43.0kmh | 26.72mph24.73kmh | 15.37mph13.0kmh | 8.08mph
Sea Level PressureMaxAverageMin
Sea Level Pressure36.7mb2.97mb0.0mb
Iowa City

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
April° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2018-04-01-2 | 28.4-16 | 3.23714 | 8.730.33 | 10270.0 | 0.0
2018-04-021 | 33.8-10 | 14.05113 | 8.0830.03 | 10170.1 | 0.0
2018-04-031 | 33.8-1 | 30.29021 | 13.0529.74 | 10071.9 | 0.07
2018-04-04-3 | 26.6-10 | 14.06221 | 13.0530.24 | 10240.0 | 0.0
2018-04-055 | 41.0-5 | 23.05312 | 7.4630.12 | 10200.1 | 0.0
2018-04-06-2 | 28.4-9 | 15.85625 | 15.5330.15 | 10210.0 | 0.0
2018-04-07-1 | 30.2-13 | 8.64817 | 10.5630.24 | 10240.0 | 0.0
2018-04-08-1 | 30.2-7 | 19.47410 | 6.2130.12 | 10202.4 | 0.09
2018-04-091 | 33.8-2 | 28.48511 | 6.8430.21 | 10230.6 | 0.02
2018-04-103 | 37.4-2 | 28.47611 | 6.8430.27 | 10250.0 | 0.0
2018-04-1112 | 53.66 | 42.87713 | 8.0829.88 | 10120.5 | 0.02
2018-04-1216 | 60.810 | 50.07117 | 10.5629.65 | 10041.5 | 0.06
2018-04-1312 | 53.69 | 48.28724 | 14.9129.59 | 100219.5 | 0.77
2018-04-144 | 39.23 | 37.49032 | 19.8829.74 | 100736.7 | 1.44
2018-04-15-1 | 30.2-3 | 26.69022 | 13.6729.88 | 101211.5 | 0.45
2018-04-16-2 | 28.4-5 | 23.08325 | 15.5330.06 | 10180.9 | 0.04
2018-04-174 | 39.2-3 | 26.67413 | 8.0830.0 | 10160.0 | 0.0
2018-04-180 | 32.0-2 | 28.48421 | 13.0529.91 | 101313.4 | 0.53
2018-04-195 | 41.0-0 | 32.08114 | 8.730.39 | 10290.0 | 0.0
2018-04-2010 | 50.00 | 32.0638 | 4.9730.47 | 10320.0 | 0.0
2018-04-2111 | 51.81 | 33.85514 | 8.730.39 | 10290.0 | 0.0
2018-04-2213 | 55.41 | 33.85319 | 11.8130.27 | 10250.0 | 0.0
2018-04-2314 | 57.23 | 37.45615 | 9.3230.15 | 10210.0 | 0.0
2018-04-2417 | 62.66 | 42.85912 | 7.4630.09 | 10190.0 | 0.0
2018-04-2513 | 55.45 | 41.06114 | 8.730.09 | 10190.0 | 0.0
2018-04-2615 | 59.05 | 41.0569 | 5.5929.91 | 10130.0 | 0.0
2018-04-2715 | 59.03 | 37.45319 | 11.8129.85 | 10110.0 | 0.0
2018-04-2810 | 50.01 | 33.86112 | 7.4630.18 | 10220.0 | 0.0
2018-04-2912 | 53.61 | 33.85417 | 10.5630.27 | 10250.0 | 0.0
2018-04-3019 | 66.28 | 46.45625 | 15.5330.0 | 10160.0 | 0.0

Iowa City 3 Year Historical Weather Data

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