Naperville, Illinois, United States Climate

Weather: 9.76°C/49.57°F, Wind SW at 4.12 km/h, 58% Humidity, 0% Chance of rain

United States
(Photo by Gabriel Meinert on Unsplash)
Contents

Naperville Climate Summary

Located at an elevation of 212.49 meters (697.15 feet) above sea level, Naperville has a Humid continental, no dry season, hot summer climate (Classification: Dfa). The district’s yearly temperature is 11.58ºC (52.84ºF) and it is -1.06% lower than United States’s averages. Naperville typically receives about 29.48 millimeters (1.16 inches) of precipitation and has 42.55 rainy days (11.66% of the time) annually.

CountryUnited States
CityIllinois
Longitude-88.1535352
Latitude41.7508391
Attitude/Elevation212.49m (697.15ft)
Local timeThursday 17:27
Annual high temperature14.29ºC (57.72ºF)
Annual low temperature7.23ºC (45.01ºF)
Average annual precip.29.48mm (1.16in)
Warmest monthJuly (29.06ºC / 84.31ºF)
Coldest MonthJanuary (-7.05ºC / 19.31ºF)
Wettest MonthMay (47.61mm / 1.87in)
Driest MonthNovember (13.82mm / 0.54in)
Number of days with rainfall (≥ 1.0 mm)42.55 days (11.66%)
Days with no rain322.45 days (88.34%)
Humidity71.95%

Climate Naperville: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)12.0(53.6)16.0(60.8)17.0(62.6)26.0(78.8)37.0(98.6)34.0(93.2)35.0(95.0)34.0(93.2)32.0(89.6)29.0(84.2)22.0(71.6)14.0(57.2)37.0(98.6)
Average high °C (°F)-1.42(29.44)-0.01(31.98)7.09(44.76)12.29(54.12)21.63(70.93)26.58(79.84)29.06(84.31)27.59(81.66)24.12(75.42)14.73(58.51)6.24(43.23)3.53(38.35)14.29(57.72)
Daily mean °C (°F)-3.44(25.81)-2.22(28.0)4.45(40.01)9.06(48.31)18.39(65.1)23.57(74.43)26.3(79.34)24.69(76.44)21.0(69.8)11.91(53.44)3.97(39.15)1.33(34.39)11.58(52.84)
Average low °C (°F)-7.05(19.31)-6.21(20.82)0.4(32.72)4.06(39.31)12.85(55.13)18.03(64.45)21.47(70.65)19.78(67.6)16.49(61.68)7.86(46.15)0.72(33.3)-1.68(28.98)7.23(45.01)
Record low °C (°F)-31.0(-23.8)-23.0(-9.4)-19.0(-2.2)-7.0(19.4)-2.0(28.4)10.0(50.0)16.0(60.8)14.0(57.2)7.0(44.6)-4.0(24.8)-14.0(6.8)-12.0(10.4)-31.0(-23.8)
Average precipitation mm (inches)20.17(0.79)24.34(0.96)16.5(0.65)25.94(1.02)47.61(1.87)37.37(1.47)46.98(1.85)42.11(1.66)36.63(1.44)28.02(1.1)13.82(0.54)14.31(0.56)29.48(1.16)
Average precipitation days (≥ 1.0 mm)2.183.272.823.275.274.914.734.643.643.552.092.183.55
Average relative humidity (%)79.6978.8164.8966.0868.770.2672.1873.3173.4968.5573.873.6371.95
Mean monthly sunshine hours6.077.599.199.912.4213.2613.8612.1610.48.596.446.619.71

Climate Graph

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

Naperville

Naperville Temperature by Month

July
26.3°C | 79.34°F
August
24.69°C | 76.44°F
June
23.57°C | 74.43°F
September
21.0°C | 69.8°F
May
18.39°C | 65.1°F
October
11.91°C | 53.44°F
April
9.06°C | 48.31°F
March
4.45°C | 40.01°F
November
3.97°C | 39.15°F
December
1.33°C | 34.39°F
February
-2.22°C | 28.0°F
January
-3.44°C | 25.81°F

Historical Data

Summary
  • 2020
  • 2019
  • 2018
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature28.0°C (82.4°F)20.23°C (68.41°F)10.0°C (50.0°F)
Avg Temperature25.0°C (77.0°F)17.06°C (62.71°F)9.0°C (48.2°F)
Min Temperature21.0°C (69.8°F)11.16°C (52.09°F)6.0°C (42.8°F)
Dew PointMaxAverageMin
Dew Point19.0°C (66.2°F)9.94°C (49.89°F)2.0°C (35.6°F)
PrecipitationMaxAverageMinSum
Precipitation29.6mm | 1.17in7.9mm | 0.31in0.0mm | 0in245.0mm | 9.65in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind28.0kmh | 17.4mph13.39kmh | 8.32mph5.0kmh | 3.11mph
Gust Wind38.0kmh | 23.61mph18.84kmh | 11.71mph7.0kmh | 4.35mph
Sea Level PressureMaxAverageMin
Sea Level Pressure29.6mb7.9mb0.0mb
Naperville

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
May° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2019-05-0114 | 57.210 | 50.08711 | 6.8429.94 | 101420.3 | 0.8
2019-05-029 | 48.26 | 42.88612 | 7.4630.09 | 101912.6 | 0.5
2019-05-0311 | 51.85 | 41.07412 | 7.4630.09 | 10190.7 | 0.03
2019-05-0415 | 59.05 | 41.0607 | 4.3530.0 | 10160.4 | 0.02
2019-05-0519 | 66.27 | 44.65211 | 6.8429.91 | 10130.6 | 0.02
2019-05-0618 | 64.410 | 50.06613 | 8.0830.0 | 10166.6 | 0.26
2019-05-0710 | 50.04 | 39.27217 | 10.5630.21 | 10237.0 | 0.28
2019-05-0815 | 59.08 | 46.46818 | 11.1830.0 | 10164.5 | 0.18
2019-05-0915 | 59.012 | 53.68118 | 11.1829.77 | 100829.6 | 1.17
2019-05-1012 | 53.63 | 37.46115 | 9.3230.09 | 10190.0 | 0.0
2019-05-1110 | 50.02 | 35.6629 | 5.5930.09 | 10193.2 | 0.13
2019-05-1210 | 50.03 | 37.47015 | 9.3229.88 | 10122.4 | 0.09
2019-05-1314 | 57.24 | 39.26212 | 7.4629.94 | 10141.2 | 0.05
2019-05-1418 | 64.45 | 41.0507 | 4.3530.03 | 10170.0 | 0.0
2019-05-1521 | 69.810 | 50.0585 | 3.1129.97 | 10150.0 | 0.0
2019-05-1623 | 73.416 | 60.87416 | 9.9429.8 | 100921.2 | 0.83
2019-05-1713 | 55.49 | 48.27014 | 8.729.85 | 10115.8 | 0.23
2019-05-1822 | 71.613 | 55.46917 | 10.5629.8 | 10093.4 | 0.13
2019-05-1921 | 69.814 | 57.27128 | 17.429.65 | 10044.5 | 0.18
2019-05-2011 | 51.84 | 39.26616 | 9.9430.06 | 10180.0 | 0.0
2019-05-2110 | 50.04 | 39.27116 | 9.9430.06 | 10188.0 | 0.31
2019-05-2222 | 71.613 | 55.47024 | 14.9129.85 | 101126.2 | 1.03
2019-05-2321 | 69.814 | 57.26616 | 9.9430.0 | 10168.4 | 0.33
2019-05-2420 | 68.015 | 59.07412 | 7.4630.03 | 10176.9 | 0.27
2019-05-2524 | 75.219 | 66.27818 | 11.1829.91 | 10135.5 | 0.22
2019-05-2622 | 71.617 | 62.67610 | 6.2130.03 | 101720.9 | 0.82
2019-05-2721 | 69.814 | 57.27111 | 6.8429.88 | 101210.4 | 0.41
2019-05-2819 | 66.215 | 59.08013 | 8.0829.74 | 10079.1 | 0.36
2019-05-2921 | 69.815 | 59.0788 | 4.9729.77 | 10088.5 | 0.33
2019-05-3023 | 73.416 | 60.8715 | 3.1129.77 | 100811.3 | 0.44
2019-05-3125 | 77.016 | 60.8679 | 5.5929.85 | 10115.8 | 0.23

Naperville 3 Year Historical Weather Data

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