Waukegan, Illinois, United States Climate

Weather: 10.67°C/51.21°F, Wind SW at 7.2 km/h, 88% Humidity, 0% Chance of rain

United States
(Photo by Andres Garcia on Unsplash)
Contents

Waukegan Climate Summary

Located at an elevation of None meters (0 feet) above sea level, Waukegan has a Humid continental, no dry season, hot summer climate (Classification: Dfa). The district’s yearly temperature is 9.75ºC (49.55ºF) and it is -2.89% lower than United States’s averages. Waukegan typically receives about 31.02 millimeters (1.22 inches) of precipitation and has 43.72 rainy days (11.98% of the time) annually.

CountryUnited States
CityIllinois
Longitude-87.8447938
Latitude42.3636331
Attitude/ElevationNonem (0ft)
Local timeSaturday 01:17
Annual high temperature11.93ºC (53.47ºF)
Annual low temperature6.2ºC (43.16ºF)
Average annual precip.31.02mm (1.22in)
Warmest monthJuly (26.31ºC / 79.36ºF)
Coldest MonthJanuary (-7.17ºC / 19.09ºF)
Wettest MonthMay (48.48mm / 1.91in)
Driest MonthMarch (15.72mm / 0.62in)
Number of days with rainfall (≥ 1.0 mm)43.72 days (11.98%)
Days with no rain321.28 days (88.02%)
Humidity75.78%

Climate Waukegan: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)10.0(50.0)12.0(53.6)15.0(59.0)22.0(71.6)32.0(89.6)32.0(89.6)30.0(86.0)30.0(86.0)30.0(86.0)27.0(80.6)20.0(68.0)13.0(55.4)32.0(89.6)
Average high °C (°F)-2.31(27.84)-1.18(29.88)4.9(40.82)9.16(48.49)17.26(63.07)22.26(72.07)26.31(79.36)25.23(77.41)21.42(70.56)12.87(55.17)4.98(40.96)2.22(36.0)11.93(53.47)
Daily mean °C (°F)-4.02(24.76)-3.18(26.28)2.7(36.86)6.66(43.99)14.74(58.53)19.96(67.93)24.08(75.34)22.83(73.09)19.08(66.34)10.47(50.85)3.18(37.72)0.52(32.94)9.75(49.55)
Average low °C (°F)-7.17(19.09)-6.68(19.98)-0.71(30.72)2.7(36.86)10.53(50.95)15.67(60.21)20.13(68.23)19.1(66.38)15.54(59.97)7.01(44.62)0.21(32.38)-1.99(28.42)6.2(43.16)
Record low °C (°F)-30.0(-22.0)-19.0(-2.2)-20.0(-4.0)-7.0(19.4)-4.0(24.8)7.0(44.6)15.0(59.0)14.0(57.2)7.0(44.6)-3.0(26.6)-13.0(8.6)-13.0(8.6)-30.0(-22.0)
Average precipitation mm (inches)20.94(0.82)25.7(1.01)15.72(0.62)38.58(1.52)48.48(1.91)34.75(1.37)43.35(1.71)44.39(1.75)35.75(1.41)30.67(1.21)17.15(0.68)16.77(0.66)31.02(1.22)
Average precipitation days (≥ 1.0 mm)2.553.362.914.365.184.094.824.643.453.362.642.363.64
Average relative humidity (%)80.2580.3870.4571.7775.6576.7476.7876.9177.2872.5175.575.1175.78
Mean monthly sunshine hours5.987.459.339.8412.5113.2313.8112.3110.278.126.346.559.64

Climate Graph

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

Waukegan

Waukegan Temperature by Month

July
24.08°C | 75.34°F
August
22.83°C | 73.09°F
June
19.96°C | 67.93°F
September
19.08°C | 66.34°F
May
14.74°C | 58.53°F
October
10.47°C | 50.85°F
April
6.66°C | 43.99°F
November
3.18°C | 37.72°F
March
2.7°C | 36.86°F
December
0.52°C | 32.94°F
February
-3.18°C | 26.28°F
January
-4.02°C | 24.76°F

Historical Data

Summary
  • 2020
  • 2019
  • 2018
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature30.0°C (86.0°F)22.17°C (71.91°F)14.0°C (57.2°F)
Avg Temperature26.0°C (78.8°F)19.6°C (67.28°F)11.0°C (51.8°F)
Min Temperature22.0°C (71.6°F)16.07°C (60.93°F)7.0°C (44.6°F)
Dew PointMaxAverageMin
Dew Point22.0°C (71.6°F)14.83°C (58.69°F)3.0°C (37.4°F)
PrecipitationMaxAverageMinSum
Precipitation49.0mm | 1.93in5.67mm | 0.22in0.0mm | 0in170.1mm | 6.7in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind26.0kmh | 16.16mph13.0kmh | 8.08mph6.0kmh | 3.73mph
Gust Wind41.0kmh | 25.48mph20.77kmh | 12.91mph9.0kmh | 5.59mph
Sea Level PressureMaxAverageMin
Sea Level Pressure49.0mb5.67mb0.0mb
Waukegan

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
September° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2018-09-0123 | 73.421 | 69.89014 | 8.729.97 | 101549.0 | 1.93
2018-09-0225 | 77.021 | 69.88415 | 9.3230.03 | 101732.8 | 1.29
2018-09-0323 | 73.421 | 69.88810 | 6.2130.15 | 102132.6 | 1.28
2018-09-0426 | 78.822 | 71.68112 | 7.4630.12 | 10209.7 | 0.38
2018-09-0525 | 77.021 | 69.88319 | 11.8130.06 | 10187.6 | 0.3
2018-09-0619 | 66.214 | 57.27817 | 10.5630.27 | 10252.3 | 0.09
2018-09-0718 | 64.413 | 55.47517 | 10.5630.24 | 10240.8 | 0.03
2018-09-0818 | 64.411 | 51.86623 | 14.2930.18 | 10220.0 | 0.0
2018-09-0917 | 62.611 | 51.87021 | 13.0530.06 | 10180.0 | 0.0
2018-09-1018 | 64.414 | 57.2799 | 5.5930.0 | 10160.0 | 0.0
2018-09-1120 | 68.015 | 59.0779 | 5.5930.12 | 10200.0 | 0.0
2018-09-1221 | 69.815 | 59.07312 | 7.4630.15 | 10210.0 | 0.0
2018-09-1320 | 68.016 | 60.8789 | 5.5930.15 | 10210.0 | 0.0
2018-09-1423 | 73.418 | 64.4776 | 3.7330.12 | 10200.0 | 0.0
2018-09-1523 | 73.418 | 64.4786 | 3.7330.15 | 10210.0 | 0.0
2018-09-1624 | 75.219 | 66.28110 | 6.2130.06 | 10180.3 | 0.01
2018-09-1726 | 78.819 | 66.2747 | 4.3529.91 | 10130.1 | 0.0
2018-09-1821 | 69.818 | 64.48110 | 6.2129.94 | 10142.2 | 0.09
2018-09-1920 | 68.016 | 60.88510 | 6.2130.0 | 10161.1 | 0.04
2018-09-2024 | 75.220 | 68.08413 | 8.0829.91 | 101321.7 | 0.85
2018-09-2118 | 64.414 | 57.27426 | 16.1629.91 | 10131.2 | 0.05
2018-09-2214 | 57.27 | 44.66514 | 8.730.27 | 10250.2 | 0.01
2018-09-2316 | 60.811 | 51.8769 | 5.5930.15 | 10210.0 | 0.0
2018-09-2418 | 64.415 | 59.08513 | 8.0830.03 | 10170.2 | 0.01
2018-09-2522 | 71.618 | 64.48613 | 8.0829.85 | 10112.3 | 0.09
2018-09-2614 | 57.28 | 46.47215 | 9.3230.06 | 10180.4 | 0.02
2018-09-2716 | 60.88 | 46.46313 | 8.0830.03 | 10170.0 | 0.0
2018-09-2812 | 53.68 | 46.47914 | 8.730.09 | 10191.7 | 0.07
2018-09-2911 | 51.83 | 37.4619 | 5.5930.33 | 10270.0 | 0.0
2018-09-3013 | 55.410 | 50.08915 | 9.3230.21 | 10233.9 | 0.15

Waukegan 3 Year Historical Weather Data

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