Gretna, Missouri
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 21° 44° -15° (1984) 80° (1950) 2.3" 3.2"
February 25° 50° -19° (1951) 87° (1962) 2.44" 3.4"
March 33° 59° 0° (2002) 90° (1967) 3.94" 2.4"
April 41° 69° 19° (1957) 96° (1955) 3.99" 0.1"
May 50° 77° 29° (1963) 99° (2000) 4.29" 0"
June 59° 85° 40° (1984) 105° (1954) 4.59" 0"
July 64° 90° 48° (1963) 116° (1954) 3.61" 0"
August 62° 89° 40° (1986) 108° (1964) 3.09" 0"
September 55° 82° 30° (1963) 106° (1954) 4.19" 0"
October 43° 72° 22° (1981) 96° (1953) 2.98" 0"
November 34° 58° 6° (1986) 90° (1955) 4.63" 0.7"
December 25° 47° -12° (1989) 81° (1951) 3.14" 1.9"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Mar 1 28° 54° 6° (1962) 85° (1972) 0.11" NA
Mar 2 29° 55° 6° (1980) 83° (2006) 0.11" NA
Mar 3 29° 55° 0° (2002) 80° (1976) 0.11" NA
Mar 4 29° 55° 4° (2002) 83° (1983) 0.11" NA
Mar 5 30° 56° 4° (2002) 82° (1955) 0.12" NA
Mar 6 30° 56° 7° (1960) 81° (1956) 0.12" NA
Mar 7 30° 56° 9° (1967) 86° (1956) 0.12" NA
Mar 8 30° 56° 6° (1996) 83° (1974) 0.12" NA
Mar 9 31° 57° 5° (1996) 80° (2000) 0.12" NA
Mar 10 31° 57° 7° (1996) 82° (1974) 0.12" NA
Mar 11 31° 57° 13° (1998) 85° (1955) 0.12" NA
Mar 12 32° 58° 8° (1998) 90° (1967) 0.13" NA
Mar 13 32° 58° 9° (1998) 89° (1967) 0.13" NA
Mar 14 32° 58° 12° (1993) 89° (1967) 0.13" NA
Mar 15 32° 59° 16° (1962) 83° (1967) 0.13" NA
Mar 16 33° 59° 16° (1962) 81° (1983) 0.13" NA
Mar 17 33° 59° 18° (1962) 82° (1982) 0.13" NA
Mar 18 33° 60° 18° (1962) 87° (1982) 0.13" NA
Mar 19 34° 60° 14° (1965) 83° (1982) 0.13" NA
Mar 20 34° 61° 9° (1965) 82° (1969) 0.13" NA
Mar 21 34° 61° 9° (1965) 82° (1975) 0.13" NA
Mar 22 34° 61° 12° (2002) 86° (1997) 0.13" NA
Mar 23 35° 62° 17° (1983) 87° (1995) 0.13" NA
Mar 24 35° 62° 16° (1974) 82° (1967) 0.13" NA
Mar 25 35° 62° 18° (1966) 84° (1959) 0.13" NA
Mar 26 36° 63° 9° (1955) 84° (1989) 0.14" NA
Mar 27 36° 63° 11° (1955) 84° (1989) 0.14" NA
Mar 28 36° 63° 24° (1955) 80° (1956) 0.14" NA
Mar 29 36° 64° 21° (1964) 87° (1985) 0.14" NA
Mar 30 37° 64° 14° (1964) 86° (1967) 0.14" NA
Mar 31 37° 64° 16° (1964) 86° (1967) 0.14" NA
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