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> Usa > San Antonio, Texas > Temperatures
Average Temperatures in San Antonio, Texas, Usa
- The mean temperature in San Antonio, Texas, Usa is warm at 20.3 degrees Celsius (68.5 degrees Fahrenheit).
- Mean monthly temperatures have a range of 19.8 °C (35.6°F) which is a slightly low range.
- There is a variation/ range of mean diurnal temperatures of 12.1 °C (21.8 °F).
- The hottest month (July) is very hot having a mean temperature of 29.4 degrees Celsius (84.92 degrees Fahrenheit).
- January is the coolest month (a little cool) having a mean temperature of 9.6 degrees Celsius (49.28 degrees Fahrenheit).
Average Temperatures Table for San Antonio, Texas
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Average Max Temperature °C ( °F) | 16 (60.8) | 18.7 (65.7) | 23.1 (73.6) | 26.8 (80.2) | 29.6 (85.3) | 33.2 (91.8) | 35 (95) | 35.2 (95.4) | 31.8 (89.2) | 27.6 (81.7) | 22.2 (72) | 17.5 (63.5) | 26.4 (79.5) | |
 | Average Temperature °C ( °F) | 9.6 (49.3) | 11.9 (53.4) | 16.5 (61.7) | 20.7 (69.3) | 24.2 (75.6) | 27.9 (82.2) | 29.4 (84.9) | 29.4 (84.9) | 26.3 (79.3) | 21.2 (70.2) | 15.8 (60.4) | 11.2 (52.2) | 20.3 (68.5) | |
 | Average Min Temperature °C ( °F) | 3.3 (37.9) | 5.2 (41.4) | 9.8 (49.6) | 14.7 (58.5) | 18.7 (65.7) | 22.6 (72.7) | 23.9 (75) | 23.6 (74.5) | 20.7 (69.3) | 14.9 (58.8) | 9.3 (48.7) | 4.9 (40.8) | 14.3 (57.7) |
San Antonio, Texas Average Temperatures Chart
The average temperature charts use a fixed scale so that you can easily compare temperatures between two or more locations. Simply line up the charts in separate tabs in your browser and toggle between tabs to visualise the differences. The charts have major grid lines at intervals of 10 °C on the left axis corresponding with intervals of 18 °F on the right axis. Minor gridlines mark intervals of 2.5 °C and 4.5 °F. The charts show the relationship between the Celsius and Fahrenheit measuring scales. Locations in the northern hemisphere run from January to December and in the southern hemisphere from July to June so that the middle of the chart always corresponds with the high sun period (for the hemisphere).
