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Koontz Lake CDP, Indiana

Official LSAD Designation: Koontz Lake CDP • Census GEOID: 1840464 • Starke County

Climate Normals & Weather Observations

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

Reference Weather Station: PLYMOUTH, IN US (ID: USC00126989) • Located 8.9 miles from community center • Elevation: 248.4 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 31.4° 16.7° 24.1° 2.63"
February 35.4° 18.5° 26.9° 2.33"
March 47.1° 27.7° 37.4° 2.45"
April 59.8° 38.0° 48.9° 3.63"
May 71.2° 49.4° 60.3° 4.33"
June 80.6° 59.3° 70.0° 4.24"
July 83.8° 62.7° 73.2° 4.39"
August 81.9° 61.0° 71.5° 4.05"
September 76.1° 53.5° 64.8° 3.20"
October 63.3° 42.4° 52.8° 3.38"
November 48.4° 31.8° 40.1° 3.03"
December 36.7° 23.0° 29.8° 2.60"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station PLYMOUTH, IN US (ID: USC00126989) • 8.9 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 PLYMOUTH, IN 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. 36.0 43.5 51.0 58.5 66.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 50.2°F 2011: Annual mean 50.0°F 2012: Annual mean 52.6°F 2015: Annual mean 49.0°F 2016: Annual mean 51.0°F 2017: Annual mean 50.8°F 2019: Annual mean 49.6°F 2020: Annual mean 51.1°F 2021: Annual mean 51.4°F 2023: Annual mean 51.8°F 2024: Annual mean 52.9°F 2010: Annual mean of daily highs 60.3°F 2011: Annual mean of daily highs 59.6°F 2012: Annual mean of daily highs 63.5°F 2015: Annual mean of daily highs 59.3°F 2016: Annual mean of daily highs 61.1°F 2017: Annual mean of daily highs 60.9°F 2019: Annual mean of daily highs 59.2°F 2020: Annual mean of daily highs 61.0°F 2021: Annual mean of daily highs 61.2°F 2023: Annual mean of daily highs 61.7°F 2024: Annual mean of daily highs 63.1°F 2010: Annual mean of daily lows 40.1°F 2011: Annual mean of daily lows 40.3°F 2012: Annual mean of daily lows 41.8°F 2015: Annual mean of daily lows 38.8°F 2016: Annual mean of daily lows 40.9°F 2017: Annual mean of daily lows 40.7°F 2019: Annual mean of daily lows 39.9°F 2020: Annual mean of daily lows 41.2°F 2021: Annual mean of daily lows 41.7°F 2023: Annual mean of daily lows 41.8°F 2024: Annual mean of daily lows 42.6°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 50.2 60.3 40.1
2011 50.0 59.6 40.3
2012 52.6 63.5 41.8
2013 Unavailable Unavailable Unavailable
2014 Unavailable Unavailable Unavailable
2015 49.0 59.3 38.8
2016 51.0 61.1 40.9
2017 50.8 60.9 40.7
2018 Unavailable Unavailable Unavailable
2019 49.6 59.2 39.9
2020 51.1 61.0 41.2
2021 51.4 61.2 41.7
2022 Unavailable Unavailable Unavailable
2023 51.8 61.7 41.8
2024 52.9 63.1 42.6
2025 Unavailable Unavailable Unavailable
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.