Annual mean
Annual mean of daily highs
Annual mean of daily lows
Williamsfield village, Illinois
Official LSAD Designation: Williamsfield village • Census GEOID: 1781802
• Knox County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Williamsfield village.
Reference Weather Station: PRINCEVILLE, IL US (ID: USC00117004)
• Located 13.7 miles from community center
• Elevation: 228.6 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 32.5° | 14.5° | 23.5° | 2.18" |
| February | 37.4° | 18.2° | 27.8° | 1.90" |
| March | 50.2° | 28.0° | 39.1° | 2.42" |
| April | 63.5° | 38.5° | 51.0° | 3.67" |
| May | 74.5° | 50.6° | 62.5° | 5.05" |
| June | 82.9° | 60.5° | 71.7° | 4.00" |
| July | 85.6° | 63.1° | 74.4° | 4.48" |
| August | 83.8° | 60.8° | 72.3° | 3.70" |
| September | 78.2° | 52.1° | 65.2° | 3.86" |
| October | 65.4° | 40.9° | 53.1° | 3.11" |
| November | 50.7° | 30.1° | 40.4° | 2.40" |
| December | 37.4° | 19.9° | 28.6° | 2.05" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station KNOXVILLE, IL US (ID: USC00114780) • 14.3 miles from community center .
This annual reference station differs from the monthly normals station (ID: USC00117004), which has no available annual mean history.
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 | 50.3 | 60.4 | 40.2 |
| 2011 | 50.5 | 60.4 | 40.6 |
| 2012 | 53.3 | 64.3 | 42.4 |
| 2013 | 48.8 | 58.6 | 38.9 |
| 2014 | 46.8 | 56.6 | 37.0 |
| 2015 | 50.8 | 60.6 | 41.0 |
| 2016 | 52.8 | 62.1 | 43.5 |
| 2017 | 52.1 | 62.1 | 42.0 |
| 2018 | 50.1 | 59.8 | 40.4 |
| 2019 | 49.6 | 59.0 | 40.2 |
| 2020 | 51.0 | 60.6 | 41.4 |
| 2021 | 51.5 | 61.0 | 42.1 |
| 2022 | 49.5 | 59.9 | 39.1 |
| 2023 | 52.6 | 63.0 | 42.3 |
| 2024 | 53.5 | 63.6 | 43.4 |
| 2025 | 52.1 | 62.3 | 41.8 |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.