Gretna, Missouri
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 23° 44° -15° (1984) 80° (1950) 2.48" 2.6"
February 27° 49° -19° (1951) 87° (1962) 2.71" 2.5"
March 35° 59° 0° (2002) 90° (1967) 3.9" 1"
April 43° 69° 19° (1957) 96° (1955) 3.95" 0"
May 53° 76° 29° (1963) 99° (2000) 4.6" 0"
June 62° 84° 40° (1984) 105° (1954) 4.52" 0"
July 66° 89° 48° (1963) 116° (1954) 3.93" 0"
August 65° 89° 40° (1986) 108° (1964) 2.9" 0"
September 57° 81° 30° (1963) 106° (1954) 4.27" 0"
October 45° 70° 22° (1981) 96° (1953) 3.34" 0"
November 36° 58° 6° (1986) 90° (1955) 4.06" 0.2"
December 27° 46° -12° (1989) 81° (1951) 3.13" 2.1"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 66° 90° 52° (1971) 107° (1980) 0.1" 0"
Aug 2 66° 90° 53° (1973) 103° (1980) 0.1" 0"
Aug 3 66° 90° 52° (1976) 104° (1980) 0.1" 0"
Aug 4 66° 90° 49° (1974) 104° (1964) 0.1" 0"
Aug 5 66° 90° 49° (1974) 108° (1964) 0.09" 0"
Aug 6 66° 90° 49° (1974) 102° (1954) 0.1" 0"
Aug 7 66° 90° 50° (1957) 100° (1955) 0.1" 0"
Aug 8 66° 90° 47° (1989) 104° (1980) 0.09" 0"
Aug 9 66° 90° 47° (1989) 104° (1970) 0.09" 0"
Aug 10 66° 90° 50° (1989) 105° (1969) 0.1" 0"
Aug 11 65° 90° 48° (1989) 103° (1954) 0.09" 0"
Aug 12 65° 90° 47° (1967) 103° (1980) 0.09" 0"
Aug 13 65° 90° 48° (1967) 104° (1999) 0.08" 0"
Aug 14 65° 90° 49° (2004) 103° (1954) 0.08" 0"
Aug 15 65° 89° 48° (1963) 104° (1954) 0.09" 0"
Aug 16 65° 89° 49° (1963) 106° (1954) 0.08" 0"
Aug 17 65° 89° 49° (1992) 106° (1954) 0.08" 0"
Aug 18 65° 89° 51° (1992) 107° (1954) 0.08" 0"
Aug 19 65° 89° 55° (1976) 104° (1954) 0.09" 0"
Aug 20 65° 89° 48° (1991) 102° (1954) 0.09" 0"
Aug 21 64° 89° 45° (1956) 101° (1980) 0.09" 0"
Aug 22 64° 89° 48° (1963) 102° (1972) 0.09" 0"
Aug 23 64° 89° 53° (1963) 103° (1983) 0.09" 0"
Aug 24 64° 88° 48° (1984) 100° (1948) 0.09" 0"
Aug 25 64° 88° 49° (1984) 101° (1973) 0.1" 0"
Aug 26 64° 88° 47° (1962) 102° (1990) 0.1" 0"
Aug 27 63° 88° 48° (1962) 104° (1954) 0.1" 0"
Aug 28 63° 88° 45° (1967) 108° (1954) 0.11" 0"
Aug 29 63° 87° 41° (1986) 105° (1954) 0.1" 0"
Aug 30 63° 87° 40° (1986) 105° (1954) 0.1" 0"
Aug 31 62° 87° 40° (1986) 103° (2000) 0.11" 0"
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