Rio Grande City, Texas
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 44° 69° 10° (1962) 97° (1997) 0.97" 0.1"
February 48° 74° 15° (1951) 104° (1902) 1.1" 0"
March 56° 83° 25° (1987) 108° (1954) 0.74" 0"
April 62° 88° 30° (1900) 112° (1963) 1.22" 0"
May 70° 92° 44° (1944) 112° (1955) 2.42" 0"
June 73° 97° 53° (1970) 116° (1998) 2.94" 0"
July 74° 99° 59° (1985) 111° (1998) 1.27" 0"
August 74° 99° 60° (1967) 115° (1947) 1.97" 0"
September 71° 94° 45° (1942) 111° (2000) 4.68" 0"
October 62° 87° 29° (1993) 104° (1905) 2.48" 0"
November 54° 78° 22° (1969) 99° (1947) 0.9" 0"
December 46° 70° 15° (1973) 97° (1977) 0.92" 0"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 66° 90° 44° (1944) 107° (1951) 0.06" NA
May 2 67° 90° 44° (1944) 112° (1948) 0.06" NA
May 3 67° 91° 48° (1976) 107° (1983) 0.06" NA
May 4 67° 91° 46° (1970) 105° (1948) 0.06" NA
May 5 67° 91° 46° (1970) 111° (1999) 0.06" NA
May 6 68° 91° 48° (1970) 105° (1971) 0.06" NA
May 7 68° 91° 51° (1970) 108° (1984) 0.07" NA
May 8 68° 91° 50° (1960) 107° (1998) 0.07" NA
May 9 68° 91° 51° (1984) 105° (1998) 0.07" NA
May 10 69° 91° 52° (1961) 106° (1952) 0.07" NA
May 11 69° 92° 54° (1993) 105° (1999) 0.07" NA
May 12 69° 92° 48° (1942) 108° (1974) 0.07" NA
May 13 69° 92° 52° (1952) 106° (2000) 0.07" NA
May 14 70° 92° 50° (1976) 111° (1995) 0.08" NA
May 15 70° 92° 50° (1976) 105° (1960) 0.08" NA
May 16 70° 92° 53° (1973) 105° (1960) 0.08" NA
May 17 70° 92° 50° (1970) 105° (1946) 0.08" NA
May 18 70° 92° 50° (1970) 107° (1902) 0.08" NA
May 19 71° 93° 52° (1970) 112° (1946) 0.08" NA
May 20 71° 93° 55° (1986) 105° (1960) 0.08" NA
May 21 71° 93° 55° (1986) 105° (2001) 0.08" NA
May 22 71° 93° 53° (1967) 109° (1957) 0.09" NA
May 23 71° 93° 53° (1967) 110° (1957) 0.09" NA
May 24 71° 93° 55° (1967) 109° (1955) 0.09" NA
May 25 71° 94° 55° (1967) 105° (2001) 0.09" NA
May 26 72° 94° 56° (1967) 105° (1989) 0.09" NA
May 27 72° 94° 57° (1901) 112° (1955) 0.09" NA
May 28 72° 94° 60° (1942) 106° (1906) 0.09" NA
May 29 72° 94° 56° (1942) 105° (2001) 0.1" NA
May 30 72° 94° 58° (1942) 104° (1998) 0.1" NA
May 31 72° 95° 56° (1984) 109° (1999) 0.1" NA
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