San Isidro, Texas
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 47° 69° 10° (1962) 96° (1971) 1.03" 0"
February 50° 74° 16° (1951) 100° (1996) 1.21" 0"
March 57° 81° 28° (1996) 105° (1954) 0.82" 0"
April 63° 86° 36° (1987) 108° (1989) 1.17" 0"
May 70° 90° 47° (1954) 110° (2006) 2.59" 0"
June 73° 95° 56° (1989) 113° (1998) 2.99" 0"
July 74° 98° 65° (1976) 109° (1998) 1.61" 0"
August 73° 98° 62° (1976) 109° (1998) 1.9" 0"
September 70° 94° 48° (1942) 110° (2000) 3.55" 0"
October 63° 87° 30° (1993) 100° (1969) 2.82" 0"
November 56° 78° 29° (1951) 98° (1949) 0.93" 0"
December 49° 70° 14° (1989) 97° (1977) 1.07" 0"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Mar 1 54° 77° 35° (1962) 95° (1953) 0.04" NA
Mar 2 54° 78° 29° (1980) 96° (1997) 0.04" NA
Mar 3 54° 78° 29° (1980) 100° (1999) 0.03" NA
Mar 4 54° 78° 32° (1965) 94° (1964) 0.03" NA
Mar 5 55° 78° 32° (1965) 96° (1983) 0.03" NA
Mar 6 55° 79° 31° (1989) 100° (1956) 0.03" NA
Mar 7 55° 79° 30° (1989) 103° (1991) 0.03" NA
Mar 8 55° 79° 28° (1996) 94° (1951) 0.03" NA
Mar 9 56° 80° 35° (1989) 94° (1999) 0.03" NA
Mar 10 56° 80° 32° (1996) 94° (1955) 0.03" NA
Mar 11 56° 80° 30° (1948) 96° (1955) 0.03" NA
Mar 12 56° 80° 32° (1948) 99° (2006) 0.03" NA
Mar 13 57° 81° 30° (1951) 99° (1975) 0.03" NA
Mar 14 57° 81° 33° (1968) 99° (2005) 0.03" NA
Mar 15 57° 81° 37° (1954) 102° (1971) 0.03" NA
Mar 16 57° 81° 36° (1947) 99° (1961) 0.03" NA
Mar 17 57° 82° 36° (1976) 97° (1982) 0.02" NA
Mar 18 58° 82° 34° (1960) 95° (1943) 0.02" NA
Mar 19 58° 82° 34° (1988) 100° (1971) 0.02" NA
Mar 20 58° 82° 33° (1965) 97° (1952) 0.02" NA
Mar 21 58° 82° 34° (1965) 105° (1952) 0.02" NA
Mar 22 58° 83° 35° (1989) 95° (1953) 0.02" NA
Mar 23 59° 83° 35° (1989) 97° (1971) 0.02" NA
Mar 24 59° 83° 34° (1952) 103° (1945) 0.02" NA
Mar 25 59° 83° 40° (1974) 97° (1948) 0.02" NA
Mar 26 59° 83° 38° (1955) 101° (1944) 0.02" NA
Mar 27 59° 83° 37° (1955) 98° (1947) 0.02" NA
Mar 28 60° 84° 39° (1996) 104° (1984) 0.02" NA
Mar 29 60° 84° 40° (1955) 101° (1975) 0.02" NA
Mar 30 60° 84° 36° (1987) 105° (1954) 0.03" NA
Mar 31 60° 84° 33° (1987) 104° (1989) 0.03" NA
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