Annual mean
Annual mean of daily highs
Annual mean of daily lows
Adams CDP, Illinois
Official LSAD Designation: Adams CDP • Census GEOID: 1700191
• Adams County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Adams CDP.
Reference Weather Station: QUINCY RGNL AP, IL US (ID: USW00093989)
• Located 4.6 miles from community center
• Elevation: 234.4 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 34.6° | 18.6° | 26.6° | 1.57" |
| February | 39.7° | 22.7° | 31.2° | 1.77" |
| March | 51.7° | 32.4° | 42.1° | 2.29" |
| April | 63.7° | 42.8° | 53.3° | 3.98" |
| May | 73.3° | 53.9° | 63.6° | 4.55" |
| June | 82.4° | 63.1° | 72.8° | 4.50" |
| July | 86.0° | 66.5° | 76.3° | 3.49" |
| August | 84.5° | 64.5° | 74.5° | 3.93" |
| September | 77.9° | 56.1° | 67.0° | 3.09" |
| October | 65.3° | 44.8° | 55.1° | 3.05" |
| November | 51.2° | 33.4° | 42.3° | 2.41" |
| December | 39.3° | 23.9° | 31.6° | 1.80" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station QUINCY RGNL AP, IL US (ID: USW00093989) • 4.6 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 | 53.2 | 62.5 | 43.8 |
| 2011 | 53.9 | 63.4 | 44.4 |
| 2012 | 56.7 | 67.4 | 46.0 |
| 2013 | 51.9 | 61.7 | 42.1 |
| 2014 | 50.3 | 59.8 | 40.8 |
| 2015 | 54.0 | 63.6 | 44.5 |
| 2016 | 55.6 | 65.1 | 46.0 |
| 2017 | 55.3 | 65.3 | 45.3 |
| 2018 | 53.5 | 63.2 | 43.7 |
| 2019 | 52.8 | 61.9 | 43.7 |
| 2020 | 53.6 | 63.1 | 44.2 |
| 2021 | 54.4 | 63.7 | 45.1 |
| 2022 | 52.7 | 62.9 | 42.5 |
| 2023 | 55.9 | 66.2 | 45.5 |
| 2024 | 56.6 | 66.5 | 46.6 |
| 2025 | 54.5 | 64.5 | 44.6 |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.