Marshalltown, Iowa, United States Climate

Weather: 5.68°C/42.22°F, Wind SW at 4.63 km/h, 81% Humidity, 0% Chance of rain

United States
(Photo by Ryan De Hamer on Unsplash)
Contents

Marshalltown Climate Summary

Located at an elevation of None meters (0 feet) above sea level, Marshalltown has a Humid continental, no dry season, hot summer climate (Classification: Dfa). The district’s yearly temperature is 9.66ºC (49.39ºF) and it is -2.98% lower than United States’s averages. Marshalltown typically receives about 24.43 millimeters (0.96 inches) of precipitation and has 35.44 rainy days (9.71% of the time) annually.

CountryUnited States
CityIowa
Longitude-92.9080375
Latitude42.0494674
Attitude/ElevationNonem (0ft)
Local timeWednesday 10:18
Annual high temperature12.75ºC (54.95ºF)
Annual low temperature4.79ºC (40.62ºF)
Average annual precip.24.43mm (0.96in)
Warmest monthJuly (26.9ºC / 80.42ºF)
Coldest MonthJanuary (-10.87ºC / 12.43ºF)
Wettest MonthMay (46.65mm / 1.84in)
Driest MonthJanuary (9.1mm / 0.36in)
Number of days with rainfall (≥ 1.0 mm)35.44 days (9.71%)
Days with no rain329.56 days (90.29%)
Humidity78.54%

Climate Marshalltown: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)11.0(51.8)14.0(57.2)19.0(66.2)26.0(78.8)34.0(93.2)32.0(89.6)32.0(89.6)33.0(91.4)34.0(93.2)28.0(82.4)21.0(69.8)12.0(53.6)34.0(93.2)
Average high °C (°F)-3.89(25.0)-3.52(25.66)6.14(43.05)11.98(53.56)20.38(68.68)25.69(78.24)26.9(80.42)25.62(78.12)22.82(73.08)13.19(55.74)5.87(42.57)1.84(35.31)12.75(54.95)
Daily mean °C (°F)-6.62(20.08)-6.21(20.82)3.11(37.6)8.57(47.43)17.25(63.05)22.6(72.68)23.91(75.04)22.26(72.07)19.28(66.7)9.76(49.57)2.9(37.22)-0.84(30.49)9.66(49.39)
Average low °C (°F)-10.87(12.43)-10.42(13.24)-1.3(29.66)3.02(37.44)11.59(52.86)17.13(62.83)18.4(65.12)16.44(61.59)13.74(56.73)5.11(41.2)-1.16(29.91)-4.15(24.53)4.79(40.62)
Record low °C (°F)-33.0(-27.4)-25.0(-13.0)-22.0(-7.6)-11.0(12.2)1.0(33.8)8.0(46.4)12.0(53.6)11.0(51.8)4.0(39.2)-5.0(23.0)-17.0(1.4)-15.0(5.0)-33.0(-27.4)
Average precipitation mm (inches)9.1(0.36)12.1(0.48)13.9(0.55)24.92(0.98)46.65(1.84)40.2(1.58)37.49(1.48)28.94(1.14)34.25(1.35)22.25(0.88)13.08(0.51)10.29(0.41)24.43(0.96)
Average precipitation days (≥ 1.0 mm)2.182.362.092.455.274.733.733.363.642.451.821.362.95
Average relative humidity (%)83.0383.6175.1271.0978.481.786.2684.2280.5369.7272.5276.2878.54
Mean monthly sunshine hours6.847.919.299.6911.6913.0813.2610.5310.279.437.286.889.68

Climate Graph

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

Marshalltown

Marshalltown Temperature by Month

July
23.91°C | 75.04°F
June
22.6°C | 72.68°F
August
22.26°C | 72.07°F
September
19.28°C | 66.7°F
May
17.25°C | 63.05°F
October
9.76°C | 49.57°F
April
8.57°C | 47.43°F
March
3.11°C | 37.6°F
November
2.9°C | 37.22°F
December
-0.84°C | 30.49°F
February
-6.21°C | 20.82°F
January
-6.62°C | 20.08°F

Historical Data

Summary
  • 2020
  • 2019
  • 2018
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature31.0°C (87.8°F)18.9°C (66.02°F)8.0°C (46.4°F)
Avg Temperature26.0°C (78.8°F)15.65°C (60.17°F)7.0°C (44.6°F)
Min Temperature18.0°C (64.4°F)9.65°C (49.37°F)4.0°C (39.2°F)
Dew PointMaxAverageMin
Dew Point18.0°C (64.4°F)10.48°C (50.86°F)4.0°C (39.2°F)
PrecipitationMaxAverageMinSum
Precipitation40.7mm | 1.6in6.14mm | 0.24in0.0mm | 0in190.2mm | 7.49in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind31.0kmh | 19.26mph16.06kmh | 9.98mph7.0kmh | 4.35mph
Gust Wind44.0kmh | 27.34mph23.87kmh | 14.83mph12.0kmh | 7.46mph
Sea Level PressureMaxAverageMin
Sea Level Pressure40.7mb6.14mb0.0mb
Marshalltown

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
May° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2019-05-019 | 48.26 | 42.88712 | 7.4630.0 | 10161.4 | 0.06
2019-05-0212 | 53.66 | 42.87411 | 6.8430.12 | 10200.0 | 0.0
2019-05-0312 | 53.66 | 42.8779 | 5.5930.09 | 10190.1 | 0.0
2019-05-0415 | 59.07 | 44.67311 | 6.8429.97 | 10150.0 | 0.0
2019-05-0518 | 64.412 | 53.67615 | 9.3229.83 | 101017.7 | 0.7
2019-05-0614 | 57.210 | 50.07918 | 11.1830.0 | 10162.9 | 0.11
2019-05-0713 | 55.48 | 46.47417 | 10.5630.18 | 10220.2 | 0.01
2019-05-0813 | 55.410 | 50.09021 | 13.0529.8 | 100928.3 | 1.11
2019-05-097 | 44.64 | 39.28025 | 15.5329.88 | 10120.3 | 0.01
2019-05-1012 | 53.64 | 39.26812 | 7.4630.15 | 10210.0 | 0.0
2019-05-1111 | 51.86 | 42.87814 | 8.730.0 | 10161.5 | 0.06
2019-05-1210 | 50.05 | 41.08111 | 6.8429.91 | 10131.2 | 0.05
2019-05-1314 | 57.25 | 41.0697 | 4.3529.97 | 10150.0 | 0.0
2019-05-1412 | 53.69 | 48.28515 | 9.3229.94 | 10145.4 | 0.21
2019-05-1519 | 66.212 | 53.6789 | 5.5929.94 | 10140.0 | 0.0
2019-05-1626 | 78.818 | 64.47617 | 10.5629.74 | 10078.2 | 0.32
2019-05-1718 | 64.416 | 60.89118 | 11.1829.74 | 10076.8 | 0.27
2019-05-1821 | 69.816 | 60.88621 | 13.0529.62 | 100311.9 | 0.47
2019-05-1913 | 55.410 | 50.08526 | 16.1629.68 | 10051.7 | 0.07
2019-05-2010 | 50.04 | 39.27414 | 8.730.12 | 10200.0 | 0.0
2019-05-219 | 48.28 | 46.48731 | 19.2629.85 | 101140.7 | 1.6
2019-05-2218 | 64.412 | 53.67830 | 18.6429.68 | 10051.4 | 0.06
2019-05-2317 | 62.610 | 50.07113 | 8.0830.03 | 10170.0 | 0.0
2019-05-2420 | 68.017 | 62.69122 | 13.6729.91 | 101338.9 | 1.53
2019-05-2522 | 71.618 | 64.48412 | 7.4629.88 | 10121.7 | 0.07
2019-05-2621 | 69.812 | 53.66712 | 7.4630.03 | 10170.1 | 0.0
2019-05-2721 | 69.817 | 62.68417 | 10.5629.77 | 100811.7 | 0.46
2019-05-2815 | 59.012 | 53.68718 | 11.1829.74 | 10075.4 | 0.21
2019-05-2919 | 66.216 | 60.89114 | 8.729.71 | 10062.7 | 0.11
2019-05-3020 | 68.013 | 55.47613 | 8.0829.77 | 10080.0 | 0.0
2019-05-3124 | 75.216 | 60.87013 | 8.0829.85 | 10110.0 | 0.0

Marshalltown 3 Year Historical Weather Data

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