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
Aug 1 23.9° 35° 19° (1965) 39° (1893) 0.06" NA
Aug 2 23.9° 35° 17° (1925) 39° (1986) 0.07" NA
Aug 3 23.3° 35.6° 18° (1973) 39° (1998) 0.07" NA
Aug 4 23.3° 35.6° 19° (1965) 39° (1962) 0.07" NA
Aug 5 23.3° 35.6° 19° (1973) 40° (1964) 0.07" NA
Aug 6 23.3° 35° 17° (1894) 39° (1964) 0.07" NA
Aug 7 23.3° 35° 20° (1975) 39° (1953) 0.08" NA
Aug 8 23.3° 35° 21° (1997) 40° (1953) 0.08" NA
Aug 9 23.3° 35° 19° (1975) 41° (1953) 0.08" NA
Aug 10 23.3° 35° 18° (1989) 41° (1962) 0.08" NA
Aug 11 23.3° 35° 19° (1989) 41° (1936) 0.08" NA
Aug 12 23.3° 35° 18° (1965) 40° (1969) 0.08" NA
Aug 13 23.3° 35° 17° (1967) 41° (1962) 0.08" NA
Aug 14 23.3° 35° 17° (1967) 39° (1969) 0.08" NA
Aug 15 23.3° 35° 18° (1967) 39° (1969) 0.08" NA
Aug 16 23.3° 35° 17° (2004) 39° (1969) 0.09" NA
Aug 17 23.3° 35° 19° (1885) 40° (1969) 0.09" NA
Aug 18 23.3° 35° 18° (1992) 41° (1909) 0.09" NA
Aug 19 23.3° 35° 19° (1992) 42° (1986) 0.09" NA
Aug 20 23.3° 35° 18° (1940) 42° (1909) 0.09" NA
Aug 21 22.8° 35° 18° (1940) 40° (1999) 0.09" NA
Aug 22 22.8° 34.4° 17° (1946) 39° (1948) 0.09" NA
Aug 23 22.8° 34.4° 17° (1891) 40° (1917) 0.09" NA
Aug 24 22.8° 34.4° 14° (1891) 38° (1988) 0.09" NA
Aug 25 22.8° 34.4° 14° (1891) 39° (2006) 0.09" NA
Aug 26 22.8° 34.4° 16° (1891) 39° (2006) 0.09" NA
Aug 27 22.8° 34.4° 17° (1891) 39° (1990) 0.09" NA
Aug 28 22.8° 34.4° 17° (1992) 38° (1940) 0.09" NA
Aug 29 22.2° 34.4° 16° (1992) 39° (1943) 0.09" NA
Aug 30 22.2° 33.9° 15° (1893) 39° (1901) 0.09" NA
Aug 31 22.2° 33.9° 14° (1915) 39° (2000) 0.09" NA
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