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
Jun 1 20.6° 31.7° 12° (1964) 38° (1887) 0.17" NA
Jun 2 21.1° 31.7° 12° (1964) 38° (1990) 0.17" NA
Jun 3 21.1° 31.7° 9° (1919) 38° (1990) 0.17" NA
Jun 4 21.1° 32.2° 14° (1919) 38° (1916) 0.17" NA
Jun 5 21.1° 32.2° 14° (1970) 38° (1948) 0.16" NA
Jun 6 21.1° 32.2° 15° (1988) 38° (1948) 0.16" NA
Jun 7 21.1° 32.2° 14° (1983) 39° (1989) 0.16" NA
Jun 8 21.7° 32.2° 16° (1890) 38° (1948) 0.16" NA
Jun 9 21.7° 32.8° 14° (1890) 40° (1910) 0.16" NA
Jun 10 21.7° 32.8° 14° (1955) 38° (1948) 0.16" NA
Jun 11 21.7° 32.8° 14° (1955) 40° (1942) 0.16" NA
Jun 12 21.7° 32.8° 15° (1995) 41° (1942) 0.16" NA
Jun 13 21.7° 32.8° 12° (1903) 38° (2006) 0.15" NA
Jun 14 22.2° 32.8° 14° (1903) 41° (1998) 0.15" NA
Jun 15 22.2° 32.8° 16° (1940) 42° (1998) 0.15" NA
Jun 16 22.2° 33.3° 16° (1989) 39° (1934) 0.15" NA
Jun 17 22.2° 33.3° 17° (1917) 39° (1934) 0.14" NA
Jun 18 22.2° 33.3° 17° (1912) 39° (1996) 0.14" NA
Jun 19 22.2° 33.3° 15° (1912) 39° (1918) 0.14" NA
Jun 20 22.2° 33.3° 15° (1912) 39° (1996) 0.14" NA
Jun 21 22.2° 33.3° 16° (1976) 41° (1936) 0.13" NA
Jun 22 22.8° 33.3° 17° (1961) 38° (1990) 0.13" NA
Jun 23 22.8° 33.9° 17° (1920) 39° (1990) 0.13" NA
Jun 24 22.8° 33.9° 17° (1886) 39° (1994) 0.12" NA
Jun 25 22.8° 33.9° 15° (1974) 39° (1990) 0.12" NA
Jun 26 22.8° 33.9° 15° (1974) 39° (1980) 0.12" NA
Jun 27 22.8° 33.9° 14° (1974) 41° (1980) 0.11" NA
Jun 28 22.8° 33.9° 17° (1974) 39° (1980) 0.11" NA
Jun 29 22.8° 33.9° 14° (1985) 39° (1980) 0.11" NA
Jun 30 22.8° 33.9° 16° (1985) 41° (1907) 0.1" NA
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