Annual mean
Annual mean of daily highs
Annual mean of daily lows
Castle Hills city, Texas
Official LSAD Designation: Castle Hills city • Census GEOID: 4813276
• Bexar County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Castle Hills city.
Reference Weather Station: SAN ANTONIO INTL AP, TX US (ID: USW00012921)
• Located 2.5 miles from community center
• Elevation: 240.5 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 63.3° | 41.0° | 52.2° | 1.96" |
| February | 67.5° | 45.1° | 56.3° | 1.74" |
| March | 73.8° | 51.8° | 62.8° | 2.31" |
| April | 80.3° | 58.4° | 69.4° | 2.42" |
| May | 86.6° | 66.4° | 76.5° | 4.40" |
| June | 92.4° | 72.7° | 82.6° | 3.28" |
| July | 94.9° | 74.7° | 84.8° | 2.41" |
| August | 96.0° | 74.9° | 85.5° | 2.15" |
| September | 90.1° | 69.6° | 79.9° | 3.88" |
| October | 82.2° | 60.4° | 71.3° | 3.75" |
| November | 71.7° | 49.8° | 60.7° | 2.08" |
| December | 64.7° | 42.4° | 53.5° | 2.00" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station SAN ANTONIO INTL AP, TX US (ID: USW00012921) • 2.5 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 | 68.8 | 79.2 | 58.4 |
| 2011 | 71.8 | 83.4 | 60.2 |
| 2012 | 71.7 | 82.2 | 61.1 |
| 2013 | 70.5 | 81.5 | 59.5 |
| 2014 | 70.4 | 81.1 | 59.7 |
| 2015 | 70.6 | 80.3 | 60.9 |
| 2016 | 71.1 | 81.1 | 61.1 |
| 2017 | 71.7 | 82.3 | 61.1 |
| 2018 | 70.1 | 80.2 | 60.1 |
| 2019 | 70.2 | 80.6 | 59.8 |
| 2020 | 71.8 | 83.1 | 60.4 |
| 2021 | 70.4 | 80.6 | 60.1 |
| 2022 | 71.2 | 82.8 | 59.7 |
| 2023 | 72.6 | 83.3 | 61.9 |
| 2024 | 73.2 | 83.7 | 62.8 |
| 2025 | 72.6 | 83.3 | 61.9 |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.