San Antonio Average Weather by Day

Data and chart of the the average high and low temperature for every day of the year in San Antonio, Texas, based on NOAA data.
Also see:
What's the hottest day of the year in San Antonio?
On average, August 5 is the hottest day of the year San Antonio, Texas. From 1991–2020, the average high temperature on August 5 was 97.1 °F and the average low was 75.7 °F.
What's the coldest day of the year in San Antonio?
On average, January 5 is the coldest day of the year San Antonio, Texas. From 1991–2020, the average high temperature on January 5 was 63.0 °F, and the average low was 41.1 °F.
Average Temperature by Day
  • Average temperatures from 1991–2020. Daily averages are a mean of the period from 14 days before to 14 days after, inclusive.
Day Average (°F)
High Low
January 1 63.4 41.3
January 2 63.4 41.3
January 3 63.2 41.2
January 4 63.1 41.1
January 5 63.0 41.1
January 6 63.0 41.1
January 7 63.2 41.1
January 8 63.4 41.2
January 9 63.5 41.4
January 10 63.5 41.3
January 11 63.5 41.3
January 12 63.6 41.4
January 13 63.7 41.5
January 14 63.8 41.5
January 15 63.8 41.5
January 16 63.9 41.4
January 17 64.1 41.4
January 18 64.2 41.5
January 19 64.2 41.5
January 20 64.2 41.7
January 21 64.3 41.8
January 22 64.4 42.0
January 23 64.5 42.2
January 24 64.5 42.2
January 25 64.6 42.3
January 26 64.8 42.4
January 27 64.8 42.4
January 28 64.9 42.5
January 29 65.0 42.6
January 30 65.1 42.7
January 31 65.3 42.8
February 1 65.7 43.0
February 2 65.9 43.1
February 3 66.1 43.3
February 4 66.3 43.5
February 5 66.4 43.7
February 6 66.6 44.0
February 7 66.9 44.3
February 8 67.2 44.6
February 9 67.5 44.8
February 10 67.6 44.9
February 11 67.6 45.0
February 12 67.7 45.0
February 13 67.8 45.2
February 14 68.0 45.4
February 15 68.2 45.7
February 16 68.3 45.8
February 17 68.5 45.9
February 18 68.8 45.9
February 19 69.1 46.1
February 20 69.4 46.3
February 21 69.6 46.5
February 22 69.8 46.9
February 23 70.0 47.1
February 24 70.2 47.3
February 25 70.3 47.4
February 26 70.6 47.7
February 27 71.0 47.9
February 28 71.3 48.2
March 1 71.4 48.5
March 2 71.4 48.8
March 3 71.7 49.1
March 4 72.0 49.5
March 5 72.2 49.7
March 6 72.3 49.8
March 7 72.4 49.8
March 8 72.6 49.9
March 9 72.8 50.2
March 10 72.9 50.5
March 11 73.1 50.7
March 12 73.3 51.0
March 13 73.6 51.4
March 14 73.8 51.8
March 15 74.1 52.0
March 16 74.4 52.3
March 17 74.6 52.6
March 18 74.9 52.9
March 19 75.2 53.3
March 20 75.3 53.6
March 21 75.4 53.9
March 22 75.6 54.0
March 23 75.7 54.1
March 24 76.0 54.3
March 25 76.3 54.5
March 26 76.7 54.8
March 27 76.9 55.1
March 28 77.1 55.4
March 29 77.3 55.6
March 30 77.6 55.7
March 31 77.8 55.8
April 1 77.9 55.9
April 2 78.0 55.9
April 3 78.1 56.1
April 4 78.3 56.4
April 5 78.6 56.8
April 6 78.8 57.0
April 7 79.0 57.2
April 8 79.2 57.4
April 9 79.4 57.5
April 10 79.6 57.7
April 11 80.0 57.9
April 12 80.2 58.1
April 13 80.5 58.4
April 14 80.7 58.6
April 15 80.9 58.8
April 16 81.1 59.1
April 17 81.4 59.2
April 18 81.5 59.4
April 19 81.8 59.6
April 20 82.1 59.9
April 21 82.4 60.2
April 22 82.5 60.5
April 23 82.8 60.8
April 24 82.9 61.2
April 25 83.0 61.4
April 26 83.3 61.8
April 27 83.5 62.1
April 28 83.6 62.3
April 29 83.8 62.6
April 30 84.1 62.9
May 1 84.3 63.2
May 2 84.6 63.5
May 3 84.8 63.7
May 4 85.0 63.9
May 5 85.2 64.1
May 6 85.4 64.3
May 7 85.5 64.5
May 8 85.7 64.8
May 9 85.9 65.1
May 10 86.1 65.3
May 11 86.3 65.7
May 12 86.5 66.0
May 13 86.7 66.3
May 14 86.9 66.5
May 15 87.1 66.8
May 16 87.4 67.1
May 17 87.7 67.4
May 18 87.9 67.7
May 19 88.1 68.0
May 20 88.3 68.2
May 21 88.6 68.5
May 22 88.7 68.7
May 23 89.0 68.8
May 24 89.2 69.0
May 25 89.4 69.2
May 26 89.6 69.4
May 27 89.8 69.6
May 28 90.1 69.9
May 29 90.3 70.1
May 30 90.5 70.4
May 31 90.7 70.6
June 1 90.9 70.8
June 2 91.1 71.1
June 3 91.3 71.3
June 4 91.5 71.5
June 5 91.7 71.8
June 6 91.9 71.9
June 7 92.0 72.1
June 8 92.1 72.2
June 9 92.3 72.3
June 10 92.4 72.4
June 11 92.5 72.5
June 12 92.6 72.7
June 13 92.7 72.9
June 14 92.9 73.0
June 15 92.9 73.1
June 16 93.0 73.2
June 17 93.0 73.4
June 18 93.1 73.5
June 19 93.2 73.6
June 20 93.2 73.6
June 21 93.2 73.7
June 22 93.3 73.8
June 23 93.4 73.9
June 24 93.5 74.0
June 25 93.6 74.1
June 26 93.7 74.2
June 27 93.7 74.3
June 28 93.8 74.3
June 29 93.9 74.4
June 30 94.1 74.5
July 1 94.1 74.5
July 2 94.2 74.6
July 3 94.2 74.7
July 4 94.3 74.7
July 5 94.4 74.7
July 6 94.5 74.8
July 7 94.6 74.9
July 8 94.7 74.9
July 9 94.8 75.0
July 10 94.9 75.1
July 11 95.0 75.1
July 12 95.0 75.1
July 13 95.1 75.1
July 14 95.2 75.2
July 15 95.4 75.2
July 16 95.5 75.3
July 17 95.6 75.3
July 18 95.8 75.3
July 19 95.9 75.4
July 20 96.0 75.4
July 21 96.1 75.5
July 22 96.2 75.4
July 23 96.3 75.5
July 24 96.4 75.5
July 25 96.5 75.5
July 26 96.6 75.6
July 27 96.7 75.6
July 28 96.7 75.6
July 29 96.7 75.6
July 30 96.8 75.6
July 31 96.9 75.6
August 1 96.9 75.6
August 2 97.0 75.7
August 3 97.0 75.7
August 4 97.1 75.7
August 5 97.1 75.7
August 6 97.1 75.6
August 7 97.1 75.6
August 8 97.0 75.6
August 9 97.0 75.6
August 10 97.0 75.6
August 11 97.0 75.6
August 12 97.0 75.6
August 13 96.9 75.6
August 14 96.9 75.5
August 15 96.9 75.5
August 16 96.8 75.4
August 17 96.7 75.4
August 18 96.6 75.4
August 19 96.5 75.3
August 20 96.4 75.2
August 21 96.3 75.2
August 22 96.2 75.0
August 23 96.0 74.9
August 24 95.8 74.7
August 25 95.6 74.6
August 26 95.4 74.5
August 27 95.2 74.3
August 28 94.9 74.1
August 29 94.8 74.0
August 30 94.6 73.9
August 31 94.4 73.7
September 1 94.1 73.6
September 2 93.9 73.4
September 3 93.7 73.2
September 4 93.5 73.1
September 5 93.3 72.9
September 6 93.1 72.7
September 7 92.9 72.5
September 8 92.7 72.3
September 9 92.4 72.0
September 10 92.2 71.7
September 11 92.0 71.5
September 12 91.7 71.2
September 13 91.5 70.9
September 14 91.3 70.6
September 15 91.0 70.2
September 16 90.7 69.8
September 17 90.5 69.6
September 18 90.3 69.3
September 19 90.1 69.1
September 20 89.9 68.8
September 21 89.7 68.6
September 22 89.5 68.4
September 23 89.2 68.1
September 24 88.9 67.8
September 25 88.7 67.4
September 26 88.4 67.1
September 27 88.1 66.8
September 28 87.9 66.5
September 29 87.7 66.3
September 30 87.5 65.9
October 1 87.3 65.6
October 2 86.9 65.2
October 3 86.6 64.8
October 4 86.3 64.4
October 5 86.0 64.1
October 6 85.8 63.8
October 7 85.5 63.5
October 8 85.3 63.3
October 9 85.0 63.0
October 10 84.7 62.6
October 11 84.4 62.3
October 12 84.1 62.0
October 13 83.8 61.7
October 14 83.4 61.4
October 15 83.1 61.1
October 16 82.7 60.8
October 17 82.3 60.4
October 18 82.0 59.9
October 19 81.6 59.4
October 20 81.1 59.0
October 21 80.7 58.6
October 22 80.5 58.4
October 23 80.2 58.1
October 24 79.8 57.7
October 25 79.4 57.4
October 26 79.1 57.1
October 27 78.7 56.8
October 28 78.4 56.4
October 29 77.9 56.1
October 30 77.4 55.8
October 31 77.1 55.6
November 1 76.7 55.2
November 2 76.4 54.9
November 3 76.0 54.6
November 4 75.7 54.2
November 5 75.3 53.8
November 6 75.0 53.4
November 7 74.7 53.2
November 8 74.4 52.9
November 9 74.1 52.6
November 10 73.8 52.2
November 11 73.5 51.8
November 12 73.2 51.5
November 13 72.9 51.2
November 14 72.6 50.8
November 15 72.3 50.5
November 16 72.1 50.3
November 17 71.8 50.0
November 18 71.6 49.9
November 19 71.4 49.7
November 20 71.1 49.4
November 21 70.7 49.0
November 22 70.5 48.7
November 23 70.2 48.4
November 24 70.0 48.2
November 25 69.7 47.8
November 26 69.3 47.3
November 27 69.1 47.0
November 28 68.9 46.7
November 29 68.8 46.4
November 30 68.7 46.2
December 1 68.5 45.9
December 2 68.3 45.7
December 3 67.9 45.4
December 4 67.7 45.1
December 5 67.5 44.9
December 6 67.2 44.7
December 7 67.0 44.4
December 8 66.8 44.2
December 9 66.5 44.1
December 10 66.2 43.9
December 11 65.9 43.6
December 12 65.7 43.5
December 13 65.6 43.3
December 14 65.4 43.2
December 15 65.2 43.0
December 16 65.1 42.9
December 17 64.9 42.7
December 18 64.7 42.5
December 19 64.4 42.3
December 20 64.3 42.3
December 21 64.3 42.2
December 22 64.2 42.1
December 23 64.0 41.8
December 24 63.9 41.7
December 25 63.9 41.6
December 26 63.9 41.6
December 27 63.9 41.5
December 28 63.7 41.4
December 29 63.6 41.4
December 30 63.4 41.4
December 31 63.4 41.3
Weather Station Details
Years Station Coordinates
1947–2024 San Antonio International Airport location
1893–1946 San Antonio Nursery location
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