Annual mean
Annual mean of daily highs
Annual mean of daily lows
Windsor city, Illinois
Official LSAD Designation: Windsor city • Census GEOID: 1782322
• Shelby County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Windsor city.
Reference Weather Station: WINDSOR, IL US (ID: USC00119354)
• Located 0.5 miles from community center
• Elevation: 210.3 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 34.6° | 19.2° | 26.9° | 2.64" |
| February | 39.6° | 22.8° | 31.2° | 1.97" |
| March | 50.9° | 31.9° | 41.4° | 3.11" |
| April | 63.9° | 41.9° | 52.9° | 4.51" |
| May | 73.7° | 53.1° | 63.4° | 4.57" |
| June | 82.1° | 61.6° | 71.9° | 4.76" |
| July | 85.0° | 64.7° | 74.8° | 3.91" |
| August | 83.7° | 62.5° | 73.1° | 2.95" |
| September | 78.4° | 55.2° | 66.8° | 2.97" |
| October | 66.3° | 44.3° | 55.3° | 3.60" |
| November | 51.0° | 33.2° | 42.1° | 3.75" |
| December | 39.2° | 24.7° | 31.9° | 2.45" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station WINDSOR, IL US (ID: USC00119354) • 0.5 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 | Unavailable | Unavailable | Unavailable |
| 2011 | 53.3 | 62.7 | 43.9 |
| 2012 | 55.6 | 66.2 | 45.0 |
| 2013 | 51.0 | 60.5 | 41.4 |
| 2014 | 49.4 | 58.9 | 39.7 |
| 2015 | 52.7 | 62.4 | 42.9 |
| 2016 | 54.4 | 63.8 | 45.0 |
| 2017 | 54.6 | 64.8 | 44.5 |
| 2018 | 52.6 | 62.1 | 43.2 |
| 2019 | 52.4 | 61.6 | 43.3 |
| 2020 | 53.2 | 62.5 | 43.9 |
| 2021 | Unavailable | 62.8 | Unavailable |
| 2022 | 52.0 | 62.0 | 42.1 |
| 2023 | 54.8 | 65.0 | 44.6 |
| 2024 | 55.1 | 65.0 | 45.2 |
| 2025 | 53.6 | 63.8 | 43.4 |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.