Annual mean
Annual mean of daily highs
Annual mean of daily lows
Lockport Heights CDP, Illinois
Official LSAD Designation: Lockport Heights CDP • Census GEOID: 1744244
• Will County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Lockport Heights CDP.
Reference Weather Station: ROMEOVILLE WFO, IL US (ID: USC00117457)
• Located 3.5 miles from community center
• Elevation: 201.2 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 31.7° | 16.1° | 23.9° | 2.19" |
| February | 36.3° | 19.7° | 28.0° | 1.98" |
| March | 48.5° | 29.7° | 39.1° | 2.71" |
| April | 61.0° | 39.6° | 50.3° | 4.11" |
| May | 72.4° | 50.3° | 61.4° | 4.81" |
| June | 81.5° | 60.3° | 70.9° | 4.68" |
| July | 84.7° | 64.5° | 74.6° | 4.50" |
| August | 82.7° | 63.0° | 72.8° | 4.36" |
| September | 76.4° | 55.4° | 65.9° | 3.31" |
| October | 63.8° | 43.5° | 53.7° | 3.67" |
| November | 48.9° | 31.9° | 40.4° | 2.67" |
| December | 36.8° | 22.0° | 29.4° | 2.15" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station ROMEOVILLE WFO, IL US (ID: USC00117457) • 3.5 miles from community center .
This is the same reference station used for monthly normals.
Source: NOAA NCEI Global Summary of the Year.
Annual temperature data table (°F)
| Year | Annual mean (°F) | Annual mean of daily highs (°F) | Annual mean of daily lows (°F) |
|---|---|---|---|
| 2010 | 51.4 | 60.7 | 42.2 |
| 2011 | 51.1 | 59.8 | 42.4 |
| 2012 | 54.1 | 63.9 | 44.3 |
| 2013 | 49.1 | 58.3 | 39.8 |
| 2014 | 46.9 | 56.1 | 37.7 |
| 2015 | 50.2 | 59.4 | 41.0 |
| 2016 | 52.4 | 61.1 | 43.6 |
| 2017 | 51.9 | 61.1 | 42.7 |
| 2018 | 50.2 | 59.3 | 41.1 |
| 2019 | 50.0 | 59.0 | 41.0 |
| 2020 | 51.9 | 61.2 | 42.5 |
| 2021 | 52.3 | 61.4 | 43.2 |
| 2022 | 50.1 | 59.5 | 40.7 |
| 2023 | 52.4 | 61.6 | 43.2 |
| 2024 | 54.0 | 63.2 | 44.7 |
| 2025 | 51.1 | 60.5 | 41.7 |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.