Annual mean
Annual mean of daily highs
Annual mean of daily lows
Elgin city, Illinois
Official LSAD Designation: Elgin city • Census GEOID: 1723074
• Cook County / Kane County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Elgin city.
Reference Weather Station: ELGIN, IL US (ID: USC00112736)
• Located 2.6 miles from community center
• Elevation: 232.6 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 30.1° | 14.1° | 22.1° | 2.02" |
| February | 34.2° | 16.8° | 25.5° | 1.87" |
| March | 46.1° | 26.3° | 36.2° | 2.37" |
| April | 58.7° | 37.0° | 47.9° | 3.96" |
| May | 70.3° | 48.3° | 59.3° | 5.12" |
| June | 80.1° | 58.4° | 69.2° | 4.46" |
| July | 84.1° | 63.2° | 73.7° | 3.98" |
| August | 82.3° | 61.2° | 71.8° | 4.33" |
| September | 75.7° | 52.8° | 64.3° | 3.53" |
| October | 62.7° | 40.9° | 51.8° | 3.31" |
| November | 47.6° | 30.1° | 38.8° | 2.68" |
| December | 35.5° | 20.1° | 27.8° | 2.22" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station ELGIN, IL US (ID: USC00112736) • 2.6 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 | Unavailable | Unavailable | Unavailable |
| 2011 | 49.3 | 58.8 | 39.8 |
| 2012 | 52.0 | 62.7 | 41.4 |
| 2013 | 46.9 | 57.5 | 36.4 |
| 2014 | 45.5 | 55.4 | 35.5 |
| 2015 | 49.2 | 59.0 | 39.3 |
| 2016 | 51.0 | 60.7 | 41.3 |
| 2017 | 50.2 | 60.3 | 40.2 |
| 2018 | 48.8 | 58.6 | 39.1 |
| 2019 | 48.2 | 57.8 | 38.5 |
| 2020 | 50.6 | 60.5 | 40.8 |
| 2021 | 51.0 | 61.1 | 40.9 |
| 2022 | 48.6 | 58.6 | 38.6 |
| 2023 | 51.2 | 61.1 | 41.4 |
| 2024 | 52.7 | 62.6 | 42.8 |
| 2025 | 50.2 | 60.4 | 40.0 |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.