San Antonio April Weather

Averages and records for weather in San Antonio, Texas in the month of April.
Typical San Antonio April Weather
1991–2020
Average daily high 81.0 °F
Average daily low 58.9 °F
Average monthly precipitation 2.4 inches
Average monthly snow none
Daily chance of precipitation 21.4%
Daily chance of snow 0%
San Antonio April Weather Records
1893–2024
Highest temperature 101 °F April 19, 1996
Lowest temperature 29 °F April 4, 1920
Highest daily low 75 °F April 27, 1994
Lowest daily high 45 °F April 9, 1928
Hottest average high temperature 88.8 °F 2006
Coldest average high temperature 74.3 °F 1997
Most daily precipitation 4.6 inches April 20, 1926
Most monthly precipitation 9.4 inches 1900
Most daily snow none -
Most monthly snow none -
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°F) Record (°F)
High Low High Low
April 1 77.9 55.9 93 36
April 2 78.0 55.9 98 35
April 3 78.1 56.1 97 31
April 4 78.3 56.4 93 29
April 5 78.6 56.8 95 38
April 6 78.8 57.0 94 34
April 7 79.0 57.2 99 35
April 8 79.2 57.4 98 35
April 9 79.4 57.5 99 32
April 10 79.6 57.7 95 36
April 11 80.0 57.9 99 34
April 12 80.2 58.1 94 36
April 13 80.5 58.4 100 36
April 14 80.7 58.6 95 33
April 15 80.9 58.8 96 37
April 16 81.1 59.1 101 35
April 17 81.4 59.2 99 36
April 18 81.5 59.4 100 41
April 19 81.8 59.6 101 43
April 20 82.1 59.9 100 41
April 21 82.4 60.2 95 39
April 22 82.5 60.5 96 43
April 23 82.8 60.8 98 43
April 24 82.9 61.2 98 41
April 25 83.0 61.4 98 38
April 26 83.3 61.8 97 39
April 27 83.5 62.1 99 40
April 28 83.6 62.3 99 45
April 29 83.8 62.6 97 46
April 30 84.1 62.9 97 38
Weather Station Details
Years Station Coordinates
1947–2024 San Antonio International Airport location
1893–1946 San Antonio Nursery location