San Antonio - Temperature Averages by Decade





Summarized here are the temperatures extending over seven decades at San Antonio, Texas. Listed for every decade from the 1950s to the 2010s are averages for maximum and minimum daily temperatures in degrees Fahrenheit and Celsius. That's followed with information on the number of hot and cold days.

Each decade covers a standard 10-year range. For instance the 1990s includes weather measurements from Jan 1, 1990 to Dec 31, 1999. All the temperature data were collected at San Antonio's International Airport.

High Temperature for Each Decade

Average daily maximum temperature at San Antonio
High °F Decade High °C
81.2 2010s 27.3
80.7 2000s 27.1
80.7 1990s 27.1
79.8 1980s 26.6
78.9 1970s 26.1
79.3 1960s 26.3
80.4 1950s 26.9

Low Temperature for Each Decade

Average daily minimum temperature at San Antonio
Low °F Decade Low °C
60.2 2010s 15.7
59.3 2000s 15.1
58.8 1990s 14.9
57.9 1980s 14.4
57.5 1970s 14.2
57.6 1960s 14.2
58.2 1950s 14.6

Hot Days per Decade

Total days per year on average when the temperature in San Antonio reached at least 70 or 90 °F
Decade 70 °F
21 °C
90 °F
32 °C
2010s 291 126
2000s 291 118
1990s 287 122
1980s 280 116
1970s 288 94
1960s 276 113
1950s 283 120

Cold Days per Decade

Total days per year on average when the temperature in San Antonio dropped to 0 or 32 °F or lower
Decade 0 °F
-18 °C
32 °F
0 °C
2010s 0 12
2000s 0 15
1990s 0 16
1980s 0 23
1970s 0 28
1960s 0 26
1950s 0 16
Reference

Jay Lawrimore, Ron Ray, Scott Applequist, Bryant Korzeniewski, Matthew Menne. 2016. Global Summary of the Year, Version 1.0. NOAA National Centers for Environmental Information.

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