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
Mar 1 7.8° 21.7° -6° (1890) 32° (1899) 0.06" NA
Mar 2 7.8° 21.7° -7° (1980) 34° (1909) 0.06" NA
Mar 3 8.3° 21.7° -6° (1943) 33° (1901) 0.06" NA
Mar 4 8.3° 21.7° -7° (2002) 35° (1901) 0.06" NA
Mar 5 8.3° 22.2° -3° (1966) 34° (1991) 0.06" NA
Mar 6 8.3° 22.2° -4° (1966) 38° (1991) 0.06" NA
Mar 7 8.9° 22.2° -3° (1989) 32° (1929) 0.06" NA
Mar 8 8.9° 22.2° -3° (1947) 32° (2006) 0.06" NA
Mar 9 8.9° 22.8° -4° (1996) 33° (1911) 0.06" NA
Mar 10 9.4° 22.8° -4° (1932) 35° (1954) 0.06" NA
Mar 11 9.4° 22.8° -6° (1948) 34° (1954) 0.06" NA
Mar 12 9.4° 22.8° -6° (1948) 36° (1904) 0.06" NA
Mar 13 9.4° 23.3° -5° (1948) 34° (1971) 0.06" NA
Mar 14 10° 23.3° -3° (1993) 34° (1971) 0.06" NA
Mar 15 10° 23.3° -1° (1988) 33° (1908) 0.06" NA
Mar 16 10° 23.3° -3° (1947) 34° (1908) 0.06" NA
Mar 17 10° 23.9° 0° (1947) 33° (1908) 0.06" NA
Mar 18 10.6° 23.9° -5° (1892) 34° (1894) 0.06" NA
Mar 19 10.6° 23.9° -2° (1988) 32° (1974) 0.06" NA
Mar 20 10.6° 23.9° -3° (1965) 34° (1976) 0.06" NA
Mar 21 10.6° 24.4° -2° (1965) 34° (1904) 0.06" NA
Mar 22 10.6° 24.4° -2° (1915) 36° (1971) 0.06" NA
Mar 23 11.1° 24.4° -1° (1968) 36° (1995) 0.06" NA
Mar 24 11.1° 24.4° -2° (1952) 34° (1916) 0.06" NA
Mar 25 11.1° 24.4° 1° (2006) 36° (1899) 0.06" NA
Mar 26 11.1° 25° -1° (1955) 36° (1950) 0.06" NA
Mar 27 11.1° 25° -1° (1913) 36° (1984) 0.06" NA
Mar 28 11.7° 25° -2° (1955) 38° (1971) 0.06" NA
Mar 29 11.7° 25° 2° (1987) 34° (2000) 0.07" NA
Mar 30 11.7° 25° -2° (1944) 36° (1946) 0.07" NA
Mar 31 11.7° 25.6° -1° (1987) 34° (1946) 0.07" NA
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