Annual mean
Annual mean of daily highs
Annual mean of daily lows
Decatur town, Tennessee
Official LSAD Designation: Decatur town • Census GEOID: 4719880
• Meigs County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Decatur town.
Reference Weather Station: DECATUR 7NE, TN US (ID: USC00402388)
• Located 10.5 miles from community center
• Elevation: 228.6 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 48.2° | 27.6° | 37.9° | 5.62" |
| February | 52.6° | 30.3° | 41.4° | 5.24" |
| March | 61.5° | 35.9° | 48.7° | 5.32" |
| April | 71.2° | 43.7° | 57.5° | 5.42" |
| May | 79.0° | 53.8° | 66.4° | 4.60" |
| June | 85.7° | 62.9° | 74.3° | 4.79" |
| July | 89.1° | 67.0° | 78.0° | 5.36" |
| August | 88.8° | 65.6° | 77.2° | 3.28" |
| September | 83.7° | 58.9° | 71.3° | 4.35" |
| October | 72.9° | 45.5° | 59.2° | 3.24" |
| November | 60.6° | 34.6° | 47.6° | 4.65" |
| December | 51.1° | 30.4° | 40.7° | 5.72" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station DECATUR 7NE, TN US (ID: USC00402388) • 10.5 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 | 56.8 | 69.7 | 43.9 |
| 2011 | Unavailable | Unavailable | Unavailable |
| 2012 | 59.0 | 72.3 | 45.6 |
| 2013 | 56.1 | 67.9 | 44.3 |
| 2014 | 55.5 | 67.9 | 43.1 |
| 2015 | 58.0 | 69.8 | 46.2 |
| 2016 | 59.6 | 73.4 | 45.8 |
| 2017 | 59.4 | 71.9 | 46.9 |
| 2018 | 58.9 | 69.8 | 47.9 |
| 2019 | 60.2 | 72.2 | 48.1 |
| 2020 | 59.2 | 70.9 | 47.5 |
| 2021 | 59.1 | 70.7 | 47.4 |
| 2022 | 58.5 | 71.2 | 45.9 |
| 2023 | 59.3 | 71.7 | 46.9 |
| 2024 | Unavailable | Unavailable | Unavailable |
| 2025 | 58.9 | 70.9 | 46.9 |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.