Aledo Weather Records

Aledo, Illinois weather averages and records from 1901–2024 based on data made available by the NOAA.
All-Time Recorded High
The highest temperature ever recorded in Aledo, Illinois was 113 °F which occurred on July 15, 1936.
Highest Temperatures: All-Time By Year
All-Time Recorded Low
The lowest temperature ever recorded in Aledo, Illinois was -33 °F which occurred on January 31, 2019.
Lowest Temperatures: All-Time By Year
Aledo Weather by Month
Averages based on the years 1991–2020
Month Average (°F) Record (°F) Average (inches)
High ☀️ Low 🌙 High ☀️ Low 🌙 Precipitation 💧 Snow ❄️
January 30.2 13.2 69 -33 1.6 7.6
February 34.8 16.6 77 -30 1.8 6.1
March 48.2 27.0 94 -15 2.5 2.6
April 61.3 37.9 93 10 3.9 0.6
May 72.2 50.1 103 26 5.1 0.0
June 81.0 59.7 104 36 4.9 0.0
July 84.2 63.5 113 44 3.8 0.0
August 82.2 61.2 106 38 3.9 0.0
September 76.1 52.8 102 24 3.6 0.0
October 63.1 41.2 93 9 2.9 0.3
November 48.2 29.4 81 -6 2.4 1.4
December 35.7 19.7 73 -22 2.0 4.7
Entire year 59.8 39.3 113 -33 38.4 21.9
More Aledo Weather Records
1901–2024
Highest daily low 84 °F July 27, 1997
Lowest daily high -12 °F February 3, 1996
Greatest daily range
(Difference of high and low)
63 °F February 28, 2024
Greatest difference in daily high
over two conscutive days
46 °F Feb 28–29, 2024
Most daily precipitation 6.9 inches August 17, 1930
Most monthly precipitation 13.4 inches September 1911
Most yearly precipitation 55.9 inches 1993
Most yearly days with precipitation 157 1957
Earliest snow in season October 15 2018
Latest snow in season April 24 1910
Most daily snow 14.0 inches January 3, 1971
Most monthly snow 31.0 inches December 2000
Most yearly snow 48.5 inches 2000
Most snow in a winter 53.8 inches 1959–1960
Greatest snow accumulation 30.0 inches January 19, 1979
Earliest freeze September 14 1923
Earliest day ≥ 80 °F March 12 1990
Earliest day ≥ 90 °F March 22 1928
Earliest day ≥ 100 °F May 29 1934
Latest freeze May 25 1925
Latest day ≥ 80 °F November 12 1902
Latest day ≥ 90 °F October 7 1939
Latest day ≥ 100 °F September 8 1922
Most days in a year < 0 °F 32 1963
Most days in a year < 32 °F 156 2018
Most days in a year ≥ 80 °F 127 1939
Most days in a year ≥ 90 °F 71 1936
Most days in a year ≥ 100 °F 26 1936
Most days in a year ≥ 110 °F 2 1936
Aledo Weather Streaks
Most consecutive days...
With precipitation 19 days May 9–27, 1957
Without precipitation 40 days Dec 15, 1943 – Jan 23, 1944
With snow 6 days Mar 11–16, 1923
High temperature at or
below freezing
42 days Dec 29, 1976 – Feb 8, 1977
High temperature ≥ 80 °F 80 days May 27 – Aug 14, 1934
High temperature ≥ 90 °F 25 days Jun 25 – Jul 19, 1936
High temperature ≥ 100 °F 14 days Jul 4–17, 1936
Plant Hardiness Zone
5B
Aledo is in plant hardiness zone 5B
based on average yearly minimum temperature from 1991–2020
Aledo Weather by Year
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Weather Station Details
Years Station Coordinates
1901–2024 Aledo location