Mount Prospect, Illinois, United States Climate

Weather: 7.38°C/45.28°F, Wind SW at 5.66 km/h, 59% Humidity, 0% Chance of rain

United States
(Photo by Ronda Darby on Unsplash)
Contents

Mount Prospect Climate Summary

Located at an elevation of None meters (0 feet) above sea level, Mount Prospect has a Humid continental, no dry season, hot summer climate (Classification: Dfa). The district’s yearly temperature is 11.43ºC (52.57ºF) and it is -1.21% lower than United States’s averages. Mount Prospect typically receives about 41.47 millimeters (1.63 inches) of precipitation and has 43.92 rainy days (12.03% of the time) annually.

CountryUnited States
CityIllinois
Longitude-87.9372908
Latitude42.0664167
Attitude/ElevationNonem (0ft)
Local timeWednesday 20:42
Annual high temperature13.9ºC (57.02ºF)
Annual low temperature7.65ºC (45.77ºF)
Average annual precip.41.47mm (1.63in)
Warmest monthJuly (29.46ºC / 85.03ºF)
Coldest MonthJanuary (-6.88ºC / 19.62ºF)
Wettest MonthMay (64.84mm / 2.55in)
Driest MonthDecember (23.43mm / 0.92in)
Number of days with rainfall (≥ 1.0 mm)43.92 days (12.03%)
Days with no rain321.08 days (87.97%)
Humidity67.38%

Climate Mount Prospect: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)12.0(53.6)15.0(59.0)17.0(62.6)25.0(77.0)37.0(98.6)35.0(95.0)34.0(93.2)35.0(95.0)32.0(89.6)29.0(84.2)22.0(71.6)13.0(55.4)37.0(98.6)
Average high °C (°F)-1.71(28.92)-0.41(31.26)6.27(43.29)11.32(52.38)20.59(69.06)26.03(78.85)29.46(85.03)28.04(82.47)23.79(74.82)14.41(57.94)5.99(42.78)3.0(37.4)13.9(57.02)
Daily mean °C (°F)-3.57(25.57)-2.52(27.46)3.86(38.95)8.37(47.07)17.56(63.61)23.12(73.62)26.81(80.26)25.23(77.41)21.23(70.21)11.96(53.53)3.97(39.15)1.18(34.12)11.43(52.57)
Average low °C (°F)-6.88(19.62)-6.08(21.06)0.34(32.61)4.03(39.25)12.83(55.09)18.27(64.89)22.54(72.57)21.17(70.11)17.39(63.3)8.46(47.23)1.19(34.14)-1.51(29.28)7.65(45.77)
Record low °C (°F)-32.0(-25.6)-20.0(-4.0)-19.0(-2.2)-6.0(21.2)-1.0(30.2)11.0(51.8)17.0(62.6)16.0(60.8)8.0(46.4)-3.0(26.6)-12.0(10.4)-13.0(8.6)-32.0(-25.6)
Average precipitation mm (inches)30.56(1.2)37.54(1.48)26.02(1.02)46.44(1.83)64.84(2.55)46.95(1.85)52.67(2.07)47.52(1.87)53.84(2.12)41.29(1.63)26.56(1.05)23.43(0.92)41.47(1.63)
Average precipitation days (≥ 1.0 mm)2.643.732.914.275.184.554.453.913.733.642.642.273.66
Average relative humidity (%)78.5478.0763.5963.2664.2263.4362.4563.3766.1463.8570.3271.3267.38
Mean monthly sunshine hours5.957.449.39.8912.3913.1413.7312.1810.328.256.216.449.6

Climate Graph

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

Mount Prospect

Mount Prospect Temperature by Month

July
26.81°C | 80.26°F
August
25.23°C | 77.41°F
June
23.12°C | 73.62°F
September
21.23°C | 70.21°F
May
17.56°C | 63.61°F
October
11.96°C | 53.53°F
April
8.37°C | 47.07°F
November
3.97°C | 39.15°F
March
3.86°C | 38.95°F
December
1.18°C | 34.12°F
February
-2.52°C | 27.46°F
January
-3.57°C | 25.57°F

Historical Data

Summary
  • 2020
  • 2019
  • 2018
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature33.0°C (91.4°F)27.94°C (82.29°F)22.0°C (71.6°F)
Avg Temperature29.0°C (84.2°F)25.13°C (77.23°F)20.0°C (68.0°F)
Min Temperature25.0°C (77.0°F)21.26°C (70.27°F)16.0°C (60.8°F)
Dew PointMaxAverageMin
Dew Point22.0°C (71.6°F)16.13°C (61.03°F)10.0°C (50.0°F)
PrecipitationMaxAverageMinSum
Precipitation16.0mm | 0.63in1.1mm | 0.04in0.0mm | 0in34.1mm | 1.34in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind18.0kmh | 11.18mph10.74kmh | 6.67mph6.0kmh | 3.73mph
Gust Wind22.0kmh | 13.67mph13.39kmh | 8.32mph7.0kmh | 4.35mph
Sea Level PressureMaxAverageMin
Sea Level Pressure16.0mb1.1mb0.0mb
Mount Prospect

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
August° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2020-08-0124 | 75.215 | 59.05810 | 6.2129.88 | 10120.0 | 0.0
2020-08-0225 | 77.015 | 59.0588 | 4.9729.83 | 10102.6 | 0.1
2020-08-0322 | 71.615 | 59.06918 | 11.1829.94 | 10142.3 | 0.09
2020-08-0420 | 68.010 | 50.05615 | 9.3230.06 | 10180.1 | 0.0
2020-08-0521 | 69.811 | 51.8556 | 3.7330.09 | 10190.0 | 0.0
2020-08-0623 | 73.414 | 57.2646 | 3.7330.09 | 10190.4 | 0.02
2020-08-0725 | 77.015 | 59.0586 | 3.7330.15 | 10210.0 | 0.0
2020-08-0826 | 78.816 | 60.86013 | 8.0830.09 | 10190.0 | 0.0
2020-08-0928 | 82.422 | 71.67416 | 9.9429.97 | 10150.4 | 0.02
2020-08-1027 | 80.622 | 71.67915 | 9.3229.88 | 10123.8 | 0.15
2020-08-1125 | 77.013 | 55.45212 | 7.4629.94 | 10140.1 | 0.0
2020-08-1226 | 78.813 | 55.4449 | 5.5930.06 | 10180.0 | 0.0
2020-08-1326 | 78.816 | 60.85611 | 6.8430.06 | 10180.0 | 0.0
2020-08-1426 | 78.817 | 62.66211 | 6.8429.97 | 10150.0 | 0.0
2020-08-1527 | 80.620 | 68.0688 | 4.9729.88 | 10122.7 | 0.11
2020-08-1625 | 77.016 | 60.86313 | 8.0829.97 | 10151.0 | 0.04
2020-08-1723 | 73.413 | 55.45313 | 8.0830.0 | 10160.0 | 0.0
2020-08-1822 | 71.612 | 53.6559 | 5.5930.03 | 10170.2 | 0.01
2020-08-1923 | 73.411 | 51.8499 | 5.5930.06 | 10180.0 | 0.0
2020-08-2025 | 77.015 | 59.0576 | 3.7330.0 | 10160.0 | 0.0
2020-08-2126 | 78.817 | 62.6596 | 3.7329.94 | 10140.0 | 0.0
2020-08-2225 | 77.017 | 62.66210 | 6.2129.91 | 10130.0 | 0.0
2020-08-2327 | 80.618 | 64.46110 | 6.2129.94 | 10140.0 | 0.0
2020-08-2429 | 84.220 | 68.0647 | 4.3529.97 | 10150.2 | 0.01
2020-08-2528 | 82.421 | 69.8699 | 5.5929.97 | 10153.2 | 0.13
2020-08-2629 | 84.221 | 69.86513 | 8.0829.91 | 10130.5 | 0.02
2020-08-2729 | 84.221 | 69.86715 | 9.3229.83 | 10100.1 | 0.0
2020-08-2829 | 84.221 | 69.86513 | 8.0829.74 | 100716.0 | 0.63
2020-08-2923 | 73.415 | 59.06415 | 9.3229.77 | 10080.3 | 0.01
2020-08-3022 | 71.612 | 53.65611 | 6.8429.88 | 10120.0 | 0.0
2020-08-3123 | 73.416 | 60.86310 | 6.2129.83 | 10100.2 | 0.01

Mount Prospect 3 Year Historical Weather Data

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