Rome CDP, Illinois

Official LSAD Designation: Rome CDP • Census GEOID: 1765403 • Peoria County

Climate Normals & Weather Observations

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

Reference Weather Station: LACON, IL US (ID: USC00114805) • Located 11.0 miles from community center • Elevation: 139.6 m

Month	Average High (°F)	Average Low (°F)	Mean Temp (°F)	Precipitation (in)
January	33.8°	18.0°	25.9°	2.07"
February	38.3°	21.5°	29.9°	2.06"
March	51.4°	31.3°	41.4°	2.65"
April	64.5°	41.4°	52.9°	4.00"
May	75.0°	51.7°	63.3°	4.76"
June	84.4°	61.2°	72.8°	4.29"
July	87.0°	65.1°	76.0°	3.97"
August	85.6°	63.0°	74.3°	3.33"
September	79.6°	55.1°	67.4°	3.30"
October	66.6°	43.5°	55.0°	3.16"
November	51.2°	32.6°	41.9°	2.63"
December	38.3°	23.2°	30.8°	2.17"

2010–2025, completed calendar years only.

NOAA station PEORIA GTR PEORIA AP, IL US (ID: USW00014842) • 17.0 miles from community center .

This annual reference station differs from the monthly normals station (ID: USC00114805), which has no available annual mean history.

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	52.4	61.8	43.1
2011	52.6	61.8	43.4
2012	55.3	65.8	45.0
2013	51.1	60.6	41.7
2014	50.3	59.6	41.1
2015	54.5	64.0	45.0
2016	54.9	64.1	45.7
2017	54.3	64.1	44.5
2018	52.4	61.9	42.9
2019	51.8	61.0	42.6
2020	52.9	62.5	43.4
2021	54.0	63.1	44.9
2022	52.3	62.3	42.2
2023	55.5	65.4	45.6
2024	56.1	65.9	46.4
2025	53.9	63.9	43.9

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