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South Ilion CDP, New York

Official LSAD Designation: South Ilion CDP • Census GEOID: 3669265 • Herkimer County

Climate Normals & Weather Observations

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

Reference Weather Station: UTICA ONEIDA CO AP, NY US (ID: USW00094794) • Located 19.6 miles from community center • Elevation: 216.7 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 29.6° 13.8° 21.7° 2.65"
February 32.1° 15.1° 23.6° 2.26"
March 40.5° 23.1° 31.8° 3.02"
April 54.7° 34.5° 44.6° 3.91"
May 67.7° 45.9° 56.8° 3.88"
June 76.1° 54.9° 65.5° 4.47"
July 80.5° 59.6° 70.0° 4.18"
August 78.7° 58.1° 68.4° 4.68"
September 71.8° 50.7° 61.3° 3.47"
October 59.1° 40.8° 50.0° 4.29"
November 46.4° 30.7° 38.5° 3.63"
December 34.9° 21.4° 28.2° 3.56"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station TRENTON FALLS, NY US (ID: USC00308578) • 20.2 miles from community center .

This annual reference station differs from the monthly normals station (ID: USW00094794), which has no available annual mean history.

Annual mean Annual mean of daily highs Annual mean of daily lows
Annual temperature history at TRENTON FALLS, NY 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 38.5 46.0 53.5 61.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2011: Annual mean 47.0°F 2012: Annual mean 48.1°F 2013: Annual mean 45.0°F 2014: Annual mean 44.0°F 2015: Annual mean 45.1°F 2016: Annual mean 47.0°F 2017: Annual mean 46.4°F 2018: Annual mean 46.2°F 2019: Annual mean 43.8°F 2021: Annual mean 47.0°F 2022: Annual mean 46.4°F 2023: Annual mean 47.6°F 2024: Annual mean 49.1°F 2011: Annual mean of daily highs 56.3°F 2012: Annual mean of daily highs 57.9°F 2013: Annual mean of daily highs 54.8°F 2014: Annual mean of daily highs 53.8°F 2015: Annual mean of daily highs 55.8°F 2016: Annual mean of daily highs 56.9°F 2017: Annual mean of daily highs 55.6°F 2018: Annual mean of daily highs 55.4°F 2019: Annual mean of daily highs 53.3°F 2021: Annual mean of daily highs 56.6°F 2022: Annual mean of daily highs 56.9°F 2023: Annual mean of daily highs 56.9°F 2024: Annual mean of daily highs 58.4°F 2011: Annual mean of daily lows 37.8°F 2012: Annual mean of daily lows 38.4°F 2013: Annual mean of daily lows 35.3°F 2014: Annual mean of daily lows 34.3°F 2015: Annual mean of daily lows 34.4°F 2016: Annual mean of daily lows 37.1°F 2017: Annual mean of daily lows 37.2°F 2018: Annual mean of daily lows 37.0°F 2019: Annual mean of daily lows 34.4°F 2021: Annual mean of daily lows 37.5°F 2022: Annual mean of daily lows 36.0°F 2023: Annual mean of daily lows 38.2°F 2024: Annual mean of daily lows 39.8°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 47.0 56.3 37.8
2012 48.1 57.9 38.4
2013 45.0 54.8 35.3
2014 44.0 53.8 34.3
2015 45.1 55.8 34.4
2016 47.0 56.9 37.1
2017 46.4 55.6 37.2
2018 46.2 55.4 37.0
2019 43.8 53.3 34.4
2020 Unavailable Unavailable Unavailable
2021 47.0 56.6 37.5
2022 46.4 56.9 36.0
2023 47.6 56.9 38.2
2024 49.1 58.4 39.8
2025 Unavailable Unavailable Unavailable
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.