Decorah, Iowa, United States Climate

Weather: -1.49°C/29.32°F, Wind SW at 0 km/h, 74% Humidity, 0% Chance of rain

United States
(Photo by Austin Goode on Unsplash)

Decorah Climate Summary

Located at an elevation of None meters (0 feet) above sea level, Decorah has a Humid continental, no dry season, hot summer climate (Classification: Dfa). The district’s yearly temperature is 7.95ºC (46.31ºF) and it is -4.69% lower than United States’s averages. Decorah typically receives about 41.24 millimeters (1.62 inches) of precipitation and has 43.64 rainy days (11.96% of the time) annually.

CountryUnited States
CityIowa
Longitude-91.7857092
Latitude43.3033056
Attitude/ElevationNonem (0ft)
Local timeFriday 09:46
Annual high temperature10.84ºC (51.51ºF)
Annual low temperature3.18ºC (37.72ºF)
Average annual precip.41.24mm (1.62in)
Warmest monthJuly (25.59ºC / 78.06ºF)
Coldest MonthFebruary (-12.29ºC / 9.88ºF)
Wettest MonthJune (84.42mm / 3.32in)
Driest MonthJanuary (18.05mm / 0.71in)
Number of days with rainfall (≥ 1.0 mm)43.64 days (11.96%)
Days with no rain321.36 days (88.04%)
Humidity81.59%

Climate Decorah: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)7.0(44.6)10.0(50.0)17.0(62.6)26.0(78.8)32.0(89.6)31.0(87.8)31.0(87.8)30.0(86.0)29.0(84.2)26.0(78.8)20.0(68.0)9.0(48.2)32.0(89.6)
Average high °C (°F)-5.51(22.08)-4.88(23.22)4.41(39.94)9.48(49.06)18.33(64.99)23.49(74.28)25.59(78.06)24.33(75.79)20.87(69.57)11.04(51.87)3.64(38.55)-0.73(30.69)10.84(51.51)
Daily mean °C (°F)-7.85(17.87)-7.75(18.05)1.34(34.41)6.2(43.16)15.29(59.52)20.62(69.12)22.83(73.09)21.22(70.2)17.56(63.61)7.89(46.2)1.06(33.91)-3.0(26.6)7.95(46.31)
Average low °C (°F)-11.58(11.16)-12.29(9.88)-3.09(26.44)0.78(33.4)9.73(49.51)15.21(59.38)17.42(63.36)15.66(60.19)12.24(54.03)3.24(37.83)-2.79(26.98)-6.41(20.46)3.18(37.72)
Record low °C (°F)-34.0(-29.2)-27.0(-16.6)-25.0(-13.0)-12.0(10.4)-3.0(26.6)7.0(44.6)12.0(53.6)10.0(50.0)1.0(33.8)-8.0(17.6)-16.0(3.2)-19.0(-2.2)-34.0(-29.2)
Average precipitation mm (inches)18.05(0.71)25.02(0.99)22.41(0.88)43.97(1.73)66.12(2.6)84.42(3.32)54.83(2.16)45.72(1.8)51.41(2.02)39.35(1.55)25.38(1.0)18.22(0.72)41.24(1.62)
Average precipitation days (≥ 1.0 mm)2.643.092.733.555.365.365.094.553.823.182.451.823.64
Average relative humidity (%)83.9787.0976.6577.4782.0285.2786.784.6582.8873.8776.5981.8881.59
Mean monthly sunshine hours6.447.629.089.1712.0912.7813.3510.779.948.986.56.49.43

Climate Graph

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

Decorah

Decorah Temperature by Month

July
22.83°C | 73.09°F
August
21.22°C | 70.2°F
June
20.62°C | 69.12°F
September
17.56°C | 63.61°F
May
15.29°C | 59.52°F
October
7.89°C | 46.2°F
April
6.2°C | 43.16°F
March
1.34°C | 34.41°F
November
1.06°C | 33.91°F
December
-3.0°C | 26.6°F
February
-7.75°C | 18.05°F
January
-7.85°C | 17.87°F

Historical Data

Summary
  • 2020
  • 2019
  • 2018
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature10.0°C (50.0°F)4.52°C (40.14°F)-4.0°C (24.8°F)
Avg Temperature6.0°C (42.8°F)1.32°C (34.38°F)-7.0°C (19.4°F)
Min Temperature1.0°C (33.8°F)-2.94°C (26.71°F)-10.0°C (14.0°F)
Dew PointMaxAverageMin
Dew Point0.0°C (0°F)-4.61°C (23.7°F)-10.0°C (14.0°F)
PrecipitationMaxAverageMinSum
Precipitation20.9mm | 0.82in2.49mm | 0.1in0.0mm | 0in77.1mm | 3.04in
Snowdepth10.4mm | 0.41in0.88mm | 0.03in0.0mm | 0in27.2mm | 1.07in
WindMaxAverageMin
Wind32.0kmh | 19.88mph15.52kmh | 9.64mph4.0kmh | 2.49mph
Gust Wind45.0kmh | 27.96mph22.58kmh | 14.03mph8.0kmh | 4.97mph
Sea Level PressureMaxAverageMin
Sea Level Pressure20.9mb2.49mb0.0mb
Decorah

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
March° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2018-03-013 | 37.4-1 | 30.28215 | 9.3230.09 | 10190.0 | 0.0
2018-03-023 | 37.4-4 | 24.8708 | 4.9730.42 | 10300.0 | 0.0
2018-03-035 | 41.0-6 | 21.25123 | 14.2930.42 | 10300.0 | 0.0
2018-03-045 | 41.0-5 | 23.05126 | 16.1630.27 | 10250.1 | 0.0
2018-03-05-0 | 32.0-4 | 24.87532 | 19.8829.91 | 101320.2 | 0.8
2018-03-06-1 | 30.2-3 | 26.69516 | 9.9429.77 | 10089.7 | 0.38
2018-03-07-5 | 23.0-7 | 19.48615 | 9.3230.09 | 10191.4 | 0.06
2018-03-08-7 | 19.4-9 | 15.88812 | 7.4630.15 | 10210.2 | 0.01
2018-03-09-4 | 24.8-8 | 17.6834 | 2.4930.09 | 10190.0 | 0.0
2018-03-10-1 | 30.2-5 | 23.0807 | 4.3530.09 | 10190.2 | 0.01
2018-03-111 | 33.8-1 | 30.2908 | 4.9730.24 | 10241.5 | 0.06
2018-03-12-1 | 30.2-4 | 24.88219 | 11.8130.27 | 10250.3 | 0.01
2018-03-13-2 | 28.4-6 | 21.27719 | 11.8130.33 | 10270.0 | 0.0
2018-03-141 | 33.8-4 | 24.87916 | 9.9430.06 | 10180.0 | 0.0
2018-03-151 | 33.8-3 | 26.68013 | 8.0829.97 | 10150.0 | 0.0
2018-03-160 | 32.0-9 | 15.85619 | 11.8130.12 | 10200.0 | 0.0
2018-03-173 | 37.4-6 | 21.25911 | 6.8430.03 | 10170.5 | 0.02
2018-03-186 | 42.8-2 | 28.4676 | 3.7330.03 | 10170.0 | 0.0
2018-03-195 | 41.0-2 | 28.47217 | 10.5629.97 | 10150.0 | 0.0
2018-03-200 | 32.0-10 | 14.05014 | 8.730.06 | 10180.1 | 0.0
2018-03-211 | 33.8-9 | 15.8539 | 5.5930.21 | 10230.1 | 0.0
2018-03-224 | 39.2-4 | 24.8688 | 4.9730.36 | 10280.0 | 0.0
2018-03-233 | 37.4-5 | 23.06417 | 10.5630.33 | 10270.0 | 0.0
2018-03-240 | 32.0-4 | 24.87723 | 14.2930.24 | 102420.9 | 0.82
2018-03-252 | 35.6-7 | 19.46119 | 11.8130.33 | 10270.0 | 0.0
2018-03-263 | 37.4-3 | 26.67117 | 10.5630.15 | 102111.5 | 0.45
2018-03-274 | 39.20 | 32.08614 | 8.730.06 | 10187.9 | 0.31
2018-03-285 | 41.0-1 | 30.27611 | 6.8429.97 | 10150.0 | 0.0
2018-03-292 | 35.6-3 | 26.67019 | 11.8130.06 | 10180.0 | 0.0
2018-03-303 | 37.4-5 | 23.06313 | 8.0830.21 | 10230.1 | 0.0
2018-03-312 | 35.6-3 | 26.66831 | 19.2629.97 | 10152.4 | 0.09

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