San Antonio, Texas
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 17° -17.8° (1949) 31.7° (1971) 1.66" 0.7"
February 19° -15.6° (1899) 37.8° (1996) 1.75" 0.1"
March 10° 23° -7.2° (2002) 37.8° (1991) 1.89" 0"
April 14° 27° -0.6° (1987) 38.3° (1996) 2.6" 0"
May 19° 30° 6.1° (1984) 40° (2004) 4.72" 0"
June 22° 33° 8.9° (1919) 41.7° (1998) 4.3" 0"
July 23° 35° 15.6° (1905) 41.1° (1989) 2.03" 0"
August 23° 35° 13.9° (1891) 42.2° (1986) 2.57" 0"
September 21° 32° 5° (1942) 43.9° (2000) 3" 0"
October 15° 28° -2.8° (1993) 37.2° (1991) 3.86" 0"
November 22° -6.1° (1976) 34.4° (1988) 2.58" 0"
December 18° -14.4° (1989) 32.2° (1955) 1.96" 0"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jul 1 22.8° 33.9° 18° (1985) 40° (1980) 0.1" NA
Jul 2 23.3° 33.9° 18° (1924) 41° (1894) 0.09" NA
Jul 3 23.3° 34.4° 18° (1985) 40° (1894) 0.09" NA
Jul 4 23.3° 34.4° 18° (1924) 38° (2005) 0.09" NA
Jul 5 23.3° 34.4° 18° (1903) 38° (1901) 0.08" NA
Jul 6 23.3° 34.4° 18° (1972) 39° (1998) 0.08" NA
Jul 7 23.3° 34.4° 18° (1972) 40° (1891) 0.08" NA
Jul 8 23.3° 34.4° 19° (1886) 41° (1939) 0.07" NA
Jul 9 23.3° 34.4° 19° (1946) 41° (1939) 0.07" NA
Jul 10 23.3° 34.4° 16° (1905) 39° (1917) 0.07" NA
Jul 11 23.3° 34.4° 16° (1905) 40° (1917) 0.07" NA
Jul 12 23.3° 34.4° 18° (1905) 39° (1998) 0.06" NA
Jul 13 23.3° 35° 20° (1966) 39° (1954) 0.06" NA
Jul 14 23.3° 35° 20° (1975) 39° (2000) 0.06" NA
Jul 15 23.3° 35° 19° (1990) 39° (2000) 0.06" NA
Jul 16 23.3° 35° 17° (1967) 39° (1989) 0.06" NA
Jul 17 23.3° 35° 19° (1905) 41° (1932) 0.06" NA
Jul 18 23.3° 35° 21° (1905) 40° (1918) 0.06" NA
Jul 19 23.3° 35° 18° (1885) 41° (1989) 0.05" NA
Jul 20 23.3° 35° 19° (1947) 38° (2000) 0.05" NA
Jul 21 23.3° 35° 18° (1923) 39° (1911) 0.05" NA
Jul 22 23.3° 35° 18° (1888) 39° (2006) 0.05" NA
Jul 23 23.3° 35° 19° (1989) 39° (1994) 0.05" NA
Jul 24 23.3° 35° 18° (1942) 40° (1934) 0.05" NA
Jul 25 23.3° 35° 18° (1911) 40° (1994) 0.06" NA
Jul 26 23.3° 35° 19° (1904) 41° (1954) 0.06" NA
Jul 27 23.3° 35° 19° (1903) 41° (1954) 0.06" NA
Jul 28 23.3° 35° 19° (1903) 39° (1995) 0.06" NA
Jul 29 23.3° 35° 19° (1994) 39° (1946) 0.06" NA
Jul 30 23.3° 35° 20° (1949) 40° (1960) 0.06" NA
Jul 31 23.9° 35° 18° (1965) 39° (1991) 0.06" NA
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