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Naples town, Illinois

Official LSAD Designation: Naples town • Census GEOID: 1751661 • Scott County

Climate Normals & Weather Observations

30-year climate normals (1991–2020) and weather observations for Naples town.

Reference Weather Station: WINCHESTER, IL US (ID: USC00119331) • Located 11.6 miles from community center • Elevation: 167.9 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 35.7° 17.8° 26.7° 2.26"
February 41.1° 21.3° 31.2° 2.14"
March 52.5° 30.5° 41.5° 3.06"
April 65.1° 41.0° 53.0° 4.40"
May 74.9° 52.1° 63.5° 4.81"
June 83.6° 61.8° 72.7° 4.99"
July 86.8° 65.1° 76.0° 3.97"
August 86.1° 62.8° 74.5° 3.47"
September 80.1° 53.8° 66.9° 3.03"
October 67.8° 42.5° 55.1° 3.09"
November 52.7° 31.6° 42.1° 2.75"
December 40.9° 23.3° 32.1° 2.43"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station WINCHESTER, IL US (ID: USC00119331) • 11.6 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 WINCHESTER, 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. 39.0 47.3 55.5 63.8 72.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 52.9°F 2011: Annual mean 53.5°F 2012: Annual mean 56.2°F 2010: Annual mean of daily highs 63.8°F 2011: Annual mean of daily highs 64.4°F 2012: Annual mean of daily highs 68.5°F 2010: Annual mean of daily lows 42.0°F 2011: Annual mean of daily lows 42.5°F 2012: Annual mean of daily lows 43.9°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 52.9 63.8 42.0
2011 53.5 64.4 42.5
2012 56.2 68.5 43.9
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 Unavailable Unavailable Unavailable
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.