Wilton Center CDP, Illinois

Official LSAD Designation: Wilton Center CDP • Census GEOID: 1782257 • Will County

Climate Normals & Weather Observations

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

Reference Weather Station: JOLIET BRANDON RD DAM, IL US (ID: USC00114530) • Located 12.9 miles from community center • Elevation: 165.5 m

Month	Average High (°F)	Average Low (°F)	Mean Temp (°F)	Precipitation (in)
January	31.1°	16.6°	23.9°	1.99"
February	35.4°	19.8°	27.6°	1.78"
March	47.0°	29.2°	38.1°	2.27"
April	59.9°	38.9°	49.4°	3.93"
May	71.0°	49.4°	60.2°	4.53"
June	80.3°	59.9°	70.1°	4.30"
July	83.6°	64.1°	73.9°	4.55"
August	81.8°	62.9°	72.3°	3.97"
September	76.2°	55.3°	65.7°	3.17"
October	63.3°	43.4°	53.3°	3.14"
November	48.5°	32.3°	40.4°	2.46"
December	36.4°	22.4°	29.4°	1.94"

2010–2025, completed calendar years only.

NOAA station JOLIET BRANDON RD DAM, IL US (ID: USC00114530) • 12.9 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	50.8	60.7	41.0
2011	51.0	59.9	42.2
2012	53.8	63.6	43.9
2013	48.7	57.9	39.5
2014	46.7	55.8	37.7
2015	50.0	59.1	40.8
2016	Unavailable	Unavailable	Unavailable
2017	51.4	61.0	41.8
2018	49.9	59.1	40.7
2019	49.2	58.8	39.7
2020	51.0	60.6	41.4
2021	51.6	61.1	42.1
2022	49.4	58.8	40.0
2023	51.8	61.5	42.0
2024	53.1	63.3	43.0
2025	51.3	60.7	41.8

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