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Unity CDP, Illinois

Official LSAD Designation: Unity CDP • Census GEOID: 1776875 • Alexander County

Climate Normals & Weather Observations

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

Reference Weather Station: CAIRO 3N, IL US (ID: USW00093809) • Located 9.0 miles from community center • Elevation: 95.4 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 43.4° 26.0° 34.7° 3.80"
February 48.2° 29.5° 38.9° 3.88"
March 58.6° 37.6° 48.1° 4.85"
April 69.9° 47.5° 58.7° 5.38"
May 78.3° 57.7° 68.0° 5.08"
June 85.9° 66.1° 76.0° 4.37"
July 88.7° 69.6° 79.2° 4.10"
August 87.8° 67.5° 77.6° 3.18"
September 81.7° 59.6° 70.6° 3.51"
October 70.9° 47.7° 59.3° 4.14"
November 57.9° 37.4° 47.6° 4.46"
December 46.7° 30.1° 38.4° 4.25"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station CAIRO 3N, IL US (ID: USW00093809) • 9.0 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 CAIRO 3N, 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. 46.0 53.5 61.0 68.5 76.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2012: Annual mean 61.2°F 2025: Annual mean 60.9°F 2012: Annual mean of daily highs 73.1°F 2025: Annual mean of daily highs 70.0°F 2012: Annual mean of daily lows 49.3°F 2025: Annual mean of daily lows 51.7°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 Unavailable Unavailable Unavailable
2011 Unavailable Unavailable Unavailable
2012 61.2 73.1 49.3
2013 Unavailable Unavailable Unavailable
2014 Unavailable Unavailable Unavailable
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 60.9 70.0 51.7
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.