Annual mean
Annual mean of daily highs
Annual mean of daily lows
Mercer CDP, Tennessee
Official LSAD Designation: Mercer CDP • Census GEOID: 4748120
• Madison County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Mercer CDP.
Reference Weather Station: JACKSON MCKELLAR AP, TN US (ID: USW00003811)
• Located 10.7 miles from community center
• Elevation: 132.0 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 48.7° | 29.3° | 39.0° | 4.07" |
| February | 53.0° | 32.5° | 42.7° | 4.40" |
| March | 62.2° | 39.6° | 50.9° | 5.55" |
| April | 72.1° | 48.4° | 60.3° | 5.12" |
| May | 80.0° | 57.9° | 68.9° | 5.58" |
| June | 87.1° | 65.7° | 76.4° | 4.76" |
| July | 90.0° | 69.0° | 79.5° | 4.37" |
| August | 89.5° | 67.1° | 78.3° | 3.53" |
| September | 83.9° | 59.5° | 71.7° | 3.58" |
| October | 73.3° | 48.1° | 60.7° | 3.63" |
| November | 60.8° | 37.8° | 49.3° | 4.33" |
| December | 51.4° | 32.2° | 41.8° | 5.01" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station JACKSON MCKELLAR AP, TN US (ID: USW00003811) • 10.7 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 | 60.2 | 71.9 | 48.6 |
| 2011 | 60.7 | 72.0 | 49.4 |
| 2012 | 62.2 | 74.0 | 50.4 |
| 2013 | 58.5 | 69.3 | 47.7 |
| 2014 | 58.0 | 68.9 | 47.1 |
| 2015 | 60.6 | 71.7 | 49.5 |
| 2016 | 62.1 | 73.4 | 50.8 |
| 2017 | 62.1 | 73.2 | 50.9 |
| 2018 | 60.7 | 71.2 | 50.3 |
| 2019 | 60.6 | 71.5 | 49.7 |
| 2020 | 60.2 | 70.8 | 49.6 |
| 2021 | 60.3 | 71.1 | 49.5 |
| 2022 | 59.6 | 71.5 | 47.8 |
| 2023 | 61.3 | 72.8 | 49.7 |
| 2024 | 63.3 | 74.1 | 52.4 |
| 2025 | 62.2 | 73.4 | 51.1 |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.