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Shirley CDP, Illinois

Official LSAD Designation: Shirley CDP • Census GEOID: 1769628 • McLean County

Climate Normals & Weather Observations

30-year climate normals (1991–2020) and weather observations for Shirley CDP.

Reference Weather Station: BLOOMINGTON 5W, IL US (ID: USC00110764) • Located 5.6 miles from community center • Elevation: 259.7 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 30.9° 15.6° 23.2° 2.40"
February 36.1° 19.3° 27.7° 2.08"
March 48.5° 28.9° 38.7° 2.61"
April 62.0° 38.9° 50.5° 4.08"
May 72.2° 50.4° 61.3° 4.83"
June 81.3° 59.6° 70.5° 4.58"
July 84.2° 63.4° 73.8° 4.05"
August 82.6° 61.4° 72.0° 4.13"
September 76.3° 54.1° 65.2° 3.15"
October 62.7° 42.2° 52.4° 3.45"
November 47.5° 30.3° 38.9° 2.80"
December 35.4° 21.2° 28.3° 2.28"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station BLOOMINGTON 5W, IL US (ID: USC00110764) • 5.6 miles from community center .

This is the same reference station used for monthly normals.

Annual mean Annual mean of daily highs Annual mean of daily lows
Annual temperature history at BLOOMINGTON 5W, IL US Year is the horizontal axis. Annual mean temperature in degrees Fahrenheit is the vertical axis. Dots show recorded years; lines connect consecutive available years only. Missing years are gaps, with no interpolation. Optional dashed lines show annual mean of daily highs and lows. Exact values appear in the data table below. 34.0 42.5 51.0 59.5 68.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 50.5°F 2011: Annual mean 50.7°F 2012: Annual mean 53.6°F 2013: Annual mean 48.8°F 2014: Annual mean 46.9°F 2010: Annual mean of daily highs 60.4°F 2011: Annual mean of daily highs 60.3°F 2012: Annual mean of daily highs 64.4°F 2013: Annual mean of daily highs 58.6°F 2014: Annual mean of daily highs 56.5°F 2010: Annual mean of daily lows 40.6°F 2011: Annual mean of daily lows 41.2°F 2012: Annual mean of daily lows 42.8°F 2013: Annual mean of daily lows 39.0°F 2014: Annual mean of daily lows 37.2°F

Source: NOAA NCEI Global Summary of the Year.

Annual temperature data table (°F)
Annual station temperatures, 2010–2025. Unavailable means no reported value.
Year Annual mean (°F) Annual mean of daily highs (°F) Annual mean of daily lows (°F)
2010 50.5 60.4 40.6
2011 50.7 60.3 41.2
2012 53.6 64.4 42.8
2013 48.8 58.6 39.0
2014 46.9 56.5 37.2
2015 Unavailable Unavailable Unavailable
2016 Unavailable Unavailable Unavailable
2017 Unavailable Unavailable Unavailable
2018 Unavailable Unavailable Unavailable
2019 Unavailable Unavailable Unavailable
2020 Unavailable Unavailable Unavailable
2021 Unavailable Unavailable Unavailable
2022 Unavailable Unavailable Unavailable
2023 Unavailable Unavailable Unavailable
2024 Unavailable Unavailable Unavailable
2025 Unavailable Unavailable Unavailable
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.