Waterloo, Iowa, United States Climate

Weather: 13.39°C/56.1°F, Wind SW at 7.2 km/h, 54% Humidity, 0% Chance of rain

United States
(Photo by Austin Goode on Unsplash)
Contents

Waterloo Climate Summary

Located at an elevation of 259.91 meters (852.72 feet) above sea level, Waterloo has a Humid continental, no dry season, hot summer climate (Classification: Dfa). The district’s yearly temperature is 9.26ºC (48.67ºF) and it is -3.38% lower than United States’s averages. Waterloo typically receives about 39.8 millimeters (1.57 inches) of precipitation and has 39.91 rainy days (10.93% of the time) annually.

CountryUnited States
CityIowa
Longitude-92.3425775
Latitude42.492786
Attitude/Elevation259.91m (852.72ft)
Local timeThursday 17:58
Annual high temperature12.32ºC (54.18ºF)
Annual low temperature4.44ºC (39.99ºF)
Average annual precip.39.8mm (1.57in)
Warmest monthJuly (26.73ºC / 80.11ºF)
Coldest MonthFebruary (-11.18ºC / 11.88ºF)
Wettest MonthMay (70.04mm / 2.76in)
Driest MonthDecember (17.12mm / 0.67in)
Number of days with rainfall (≥ 1.0 mm)39.91 days (10.93%)
Days with no rain325.09000000000003 days (89.07%)
Humidity78.92%

Climate Waterloo: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)10.0(50.0)13.0(55.4)18.0(64.4)26.0(78.8)34.0(93.2)32.0(89.6)32.0(89.6)32.0(89.6)31.0(87.8)27.0(80.6)21.0(69.8)12.0(53.6)34.0(93.2)
Average high °C (°F)-4.39(24.1)-3.93(24.93)5.67(42.21)11.43(52.57)20.19(68.34)25.36(77.65)26.73(80.11)25.16(77.29)22.37(72.27)12.78(55.0)5.23(41.41)1.29(34.32)12.32(54.18)
Daily mean °C (°F)-6.94(19.51)-6.65(20.03)2.49(36.48)7.97(46.35)17.1(62.78)22.21(71.98)23.69(74.64)21.94(71.49)18.74(65.73)9.41(48.94)2.4(36.32)-1.26(29.73)9.26(48.67)
Average low °C (°F)-10.96(12.27)-11.18(11.88)-1.94(28.51)2.58(36.64)11.42(52.56)16.52(61.74)18.16(64.69)16.34(61.41)13.34(56.01)4.81(40.66)-1.36(29.55)-4.49(23.92)4.44(39.99)
Record low °C (°F)-36.0(-32.8)-26.0(-14.8)-24.0(-11.2)-10.0(14.0)1.0(33.8)8.0(46.4)12.0(53.6)11.0(51.8)3.0(37.4)-5.0(23.0)-14.0(6.8)-16.0(3.2)-36.0(-32.8)
Average precipitation mm (inches)17.52(0.69)22.74(0.9)25.65(1.01)49.01(1.93)70.04(2.76)64.36(2.53)53.15(2.09)46.25(1.82)51.5(2.03)36.54(1.44)23.72(0.93)17.12(0.67)39.8(1.57)
Average precipitation days (≥ 1.0 mm)2.272.732.273.275.274.914.913.913.552.912.181.733.33
Average relative humidity (%)83.0185.4875.3471.8277.1281.486.5684.7781.6469.8373.376.7878.92
Mean monthly sunshine hours6.617.769.219.1611.9912.9913.3110.6110.089.186.946.729.55

Climate Graph

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

Waterloo

Waterloo Temperature by Month

July
23.69°C | 74.64°F
June
22.21°C | 71.98°F
August
21.94°C | 71.49°F
September
18.74°C | 65.73°F
May
17.1°C | 62.78°F
October
9.41°C | 48.94°F
April
7.97°C | 46.35°F
March
2.49°C | 36.48°F
November
2.4°C | 36.32°F
December
-1.26°C | 29.73°F
February
-6.65°C | 20.03°F
January
-6.94°C | 19.51°F

Historical Data

Summary
  • 2020
  • 2019
  • 2018
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature34.0°C (93.2°F)24.39°C (75.9°F)9.0°C (48.2°F)
Avg Temperature30.0°C (86.0°F)21.19°C (70.14°F)8.0°C (46.4°F)
Min Temperature24.0°C (75.2°F)14.87°C (58.77°F)5.0°C (41.0°F)
Dew PointMaxAverageMin
Dew Point22.0°C (71.6°F)14.48°C (58.06°F)6.0°C (42.8°F)
PrecipitationMaxAverageMinSum
Precipitation61.6mm | 2.43in10.08mm | 0.4in0.0mm | 0in312.4mm | 12.3in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind22.0kmh | 13.67mph12.84kmh | 7.98mph6.0kmh | 3.73mph
Gust Wind35.0kmh | 21.75mph19.74kmh | 12.27mph11.0kmh | 6.84mph
Sea Level PressureMaxAverageMin
Sea Level Pressure61.6mb10.08mb0.0mb
Waterloo

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
May° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2018-05-0121 | 69.815 | 59.07622 | 13.6729.8 | 100928.9 | 1.14
2018-05-0220 | 68.016 | 60.88412 | 7.4629.85 | 101161.6 | 2.43
2018-05-0320 | 68.015 | 59.08210 | 6.2129.83 | 101032.4 | 1.28
2018-05-0420 | 68.011 | 51.86717 | 10.5629.88 | 101215.2 | 0.6
2018-05-0521 | 69.89 | 48.25514 | 8.730.0 | 10160.7 | 0.03
2018-05-0620 | 68.012 | 53.66615 | 9.3230.03 | 10172.2 | 0.09
2018-05-0721 | 69.89 | 48.25711 | 6.8430.15 | 10210.0 | 0.0
2018-05-0821 | 69.811 | 51.86220 | 12.4330.0 | 10164.7 | 0.19
2018-05-0920 | 68.015 | 59.08020 | 12.4329.71 | 100635.5 | 1.4
2018-05-1017 | 62.611 | 51.87413 | 8.0829.94 | 10140.0 | 0.0
2018-05-118 | 46.46 | 42.88721 | 13.0529.97 | 10156.2 | 0.24
2018-05-1210 | 50.08 | 46.49217 | 10.5630.03 | 101723.3 | 0.92
2018-05-1315 | 59.011 | 51.8898 | 4.9730.0 | 10165.0 | 0.2
2018-05-1420 | 68.016 | 60.8878 | 4.9729.88 | 101227.7 | 1.09
2018-05-1521 | 69.814 | 57.27410 | 6.2129.97 | 10150.8 | 0.03
2018-05-1623 | 73.414 | 57.2688 | 4.9730.0 | 10160.0 | 0.0
2018-05-1724 | 75.215 | 59.0679 | 5.5930.0 | 10160.3 | 0.01
2018-05-1821 | 69.814 | 57.27416 | 9.9429.97 | 10152.5 | 0.1
2018-05-1921 | 69.815 | 59.08310 | 6.2129.88 | 101212.3 | 0.48
2018-05-2012 | 53.610 | 50.09017 | 10.5630.12 | 10206.3 | 0.25
2018-05-2115 | 59.013 | 55.4918 | 4.9730.03 | 10178.7 | 0.34
2018-05-2221 | 69.815 | 59.0786 | 3.7330.03 | 10170.0 | 0.0
2018-05-2323 | 73.418 | 64.48414 | 8.730.09 | 101912.0 | 0.47
2018-05-2426 | 78.820 | 68.08116 | 9.9430.03 | 10173.5 | 0.14
2018-05-2526 | 78.820 | 68.07915 | 9.3229.83 | 10104.2 | 0.17
2018-05-2628 | 82.418 | 64.4689 | 5.5929.74 | 10071.7 | 0.07
2018-05-2730 | 86.019 | 66.2627 | 4.3529.83 | 10100.9 | 0.04
2018-05-2830 | 86.022 | 71.66914 | 8.729.88 | 10120.0 | 0.0
2018-05-2929 | 84.220 | 68.07011 | 6.8429.83 | 10103.5 | 0.14
2018-05-3026 | 78.819 | 66.27511 | 6.8429.65 | 100412.3 | 0.48
2018-05-3127 | 80.618 | 64.4689 | 5.5929.68 | 10050.0 | 0.0

Waterloo 3 Year Historical Weather Data

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