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Winchester CDP, Wisconsin

Official LSAD Designation: Winchester CDP • Census GEOID: 5587625 • Winnebago County

Climate Normals & Weather Observations

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

Reference Weather Station: NEW LONDON, WI US (ID: USC00475932) • Located 11.5 miles from community center • Elevation: 243.8 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 24.8° 8.3° 16.5° 1.28"
February 28.6° 10.8° 19.7° 1.18"
March 40.7° 21.6° 31.1° 2.08"
April 54.2° 33.3° 43.8° 3.46"
May 67.6° 45.3° 56.4° 4.21"
June 77.0° 55.0° 66.0° 4.79"
July 81.1° 59.0° 70.1° 4.06"
August 79.2° 57.7° 68.5° 3.73"
September 71.7° 49.0° 60.4° 3.43"
October 58.1° 37.5° 47.8° 2.92"
November 43.2° 26.4° 34.8° 1.90"
December 30.3° 15.1° 22.7° 1.81"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station NEW LONDON, WI US (ID: USC00475932) • 11.5 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 NEW LONDON, WI 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. 31.0 38.8 46.5 54.3 62.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 46.4°F 2015: Annual mean 46.2°F 2016: Annual mean 47.1°F 2017: Annual mean 45.6°F 2018: Annual mean 44.4°F 2019: Annual mean 43.6°F 2020: Annual mean 46.7°F 2021: Annual mean 46.7°F 2022: Annual mean 44.6°F 2023: Annual mean 48.0°F 2024: Annual mean 49.2°F 2010: Annual mean of daily highs 56.2°F 2015: Annual mean of daily highs 56.2°F 2016: Annual mean of daily highs 57.0°F 2017: Annual mean of daily highs 55.3°F 2018: Annual mean of daily highs 54.4°F 2019: Annual mean of daily highs 53.1°F 2020: Annual mean of daily highs 56.3°F 2021: Annual mean of daily highs 56.4°F 2022: Annual mean of daily highs 54.0°F 2023: Annual mean of daily highs 57.5°F 2024: Annual mean of daily highs 59.1°F 2010: Annual mean of daily lows 36.5°F 2015: Annual mean of daily lows 36.2°F 2016: Annual mean of daily lows 37.3°F 2017: Annual mean of daily lows 35.8°F 2018: Annual mean of daily lows 34.5°F 2019: Annual mean of daily lows 34.2°F 2020: Annual mean of daily lows 37.1°F 2021: Annual mean of daily lows 36.9°F 2022: Annual mean of daily lows 35.3°F 2023: Annual mean of daily lows 38.4°F 2024: Annual mean of daily lows 39.3°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 46.4 56.2 36.5
2011 Unavailable Unavailable Unavailable
2012 Unavailable Unavailable Unavailable
2013 Unavailable Unavailable Unavailable
2014 Unavailable Unavailable Unavailable
2015 46.2 56.2 36.2
2016 47.1 57.0 37.3
2017 45.6 55.3 35.8
2018 44.4 54.4 34.5
2019 43.6 53.1 34.2
2020 46.7 56.3 37.1
2021 46.7 56.4 36.9
2022 44.6 54.0 35.3
2023 48.0 57.5 38.4
2024 49.2 59.1 39.3
2025 Unavailable Unavailable Unavailable
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.