Decker town, Indiana

Official LSAD Designation: Decker town • Census GEOID: 1817110 • Knox County

Climate Normals & Weather Observations

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

Reference Weather Station: PRINCETON 1 W, IN US (ID: USC00127125) • Located 11.7 miles from community center • Elevation: 146.3 m

Month	Average High (°F)	Average Low (°F)	Mean Temp (°F)	Precipitation (in)
January	39.8°	21.1°	30.4°	3.39"
February	44.5°	23.9°	34.2°	3.21"
March	55.1°	32.2°	43.7°	4.54"
April	67.2°	42.6°	54.9°	5.27"
May	76.6°	53.7°	65.1°	5.67"
June	85.3°	63.1°	74.2°	4.46"
July	88.0°	66.0°	77.0°	4.53"
August	87.0°	64.4°	75.7°	3.32"
September	81.1°	56.5°	68.8°	4.20"
October	69.3°	44.7°	57.0°	3.41"
November	54.7°	33.2°	44.0°	4.07"
December	43.9°	25.6°	34.8°	3.77"

2010–2025, completed calendar years only.

NOAA station PRINCETON 1 W, IN US (ID: USC00127125) • 11.7 miles from community center .

This is the same reference station used for monthly normals.

Show annual mean of daily highs and lows

Annual mean Annual mean of daily highs Annual mean of daily lows

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	55.5	66.8	44.3
2011	56.0	66.7	45.3
2012	57.8	69.9	45.8
2013	53.2	64.1	42.4
2014	52.2	62.9	41.5
2015	54.9	66.0	43.7
2016	56.9	67.6	46.2
2017	56.6	67.6	45.6
2018	55.3	65.8	44.7
2019	Unavailable	Unavailable	Unavailable
2020	Unavailable	Unavailable	Unavailable
2021	56.0	66.5	45.6
2022	Unavailable	Unavailable	Unavailable
2023	Unavailable	Unavailable	Unavailable
2024	59.2	69.0	49.5
2025	56.8	66.8	46.9

Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.