Annual mean
Annual mean of daily highs
Annual mean of daily lows
Denison city, Texas
Official LSAD Designation: Denison city • Census GEOID: 4819900
• Grayson County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Denison city.
Reference Weather Station: SHERMAN, TX US (ID: USC00418274)
• Located 5.6 miles from community center
• Elevation: 231.6 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 52.6° | 33.9° | 43.2° | 2.52" |
| February | 57.1° | 37.2° | 47.1° | 2.76" |
| March | 65.2° | 45.0° | 55.1° | 3.96" |
| April | 72.6° | 52.8° | 62.7° | 3.87" |
| May | 80.0° | 61.6° | 70.8° | 5.54" |
| June | 88.1° | 69.8° | 78.9° | 4.54" |
| July | 92.5° | 73.5° | 83.0° | 2.90" |
| August | 92.7° | 73.0° | 82.8° | 2.88" |
| September | 85.4° | 66.1° | 75.8° | 3.43" |
| October | 75.3° | 55.1° | 65.2° | 4.77" |
| November | 63.3° | 44.1° | 53.7° | 3.50" |
| December | 54.2° | 36.1° | 45.1° | 3.62" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station SHERMAN, TX US (ID: USC00418274) • 5.6 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 | 63.2 | 73.1 | 53.2 |
| 2011 | 64.7 | 75.4 | 53.9 |
| 2012 | 65.9 | 76.1 | 55.7 |
| 2013 | 62.4 | 72.7 | 52.0 |
| 2014 | 61.8 | 72.6 | 51.0 |
| 2015 | 63.9 | 74.9 | 52.9 |
| 2016 | 65.2 | 75.5 | 55.0 |
| 2017 | 65.1 | 74.9 | 55.3 |
| 2018 | 63.5 | 72.9 | 54.1 |
| 2019 | 63.0 | 72.4 | 53.6 |
| 2020 | 63.8 | 73.5 | 54.0 |
| 2021 | 63.5 | 73.1 | 53.9 |
| 2022 | 63.9 | 75.0 | 52.8 |
| 2023 | 65.4 | 75.5 | 55.2 |
| 2024 | 65.9 | 75.6 | 56.3 |
| 2025 | Unavailable | Unavailable | Unavailable |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.