Irwin, Missouri
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 22° 41° -15° (1985) 77° (1950) 1.94" NA
February 27° 47° -11° (1979) 80° (1996) 2.21" NA
March 35° 58° -3° (2002) 89° (1995) 3.97" NA
April 45° 68° 20° (1975) 94° (2006) 4.44" NA
May 55° 76° 30° (1963) 93° (1953) 5.42" NA
June 64° 84° 43° (1988) 102° (1953) 5.49" NA
July 69° 90° 48° (1970) 116° (1954) 4.62" NA
August 67° 89° 43° (1950) 108° (1956) 3.69" NA
September 58° 81° 32° (1989) 105° (2000) 5.39" NA
October 46° 71° 17° (1952) 95° (1952) 4.24" NA
November 35° 56° 4° (1959) 85° (1978) 4.37" NA
December 26° 45° -18° (1989) 76° (1948) 2.88" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 63° 85° 42° (1949) 105° (2000) 0.16" NA
Sep 2 63° 85° 43° (1949) 105° (2000) 0.16" NA
Sep 3 62° 85° 43° (1952) 105° (2000) 0.16" NA
Sep 4 62° 84° 42° (1974) 101° (1954) 0.17" NA
Sep 5 62° 84° 46° (1974) 100° (1954) 0.17" NA
Sep 6 62° 84° 44° (1988) 102° (1998) 0.17" NA
Sep 7 61° 84° 43° (1988) 101° (1990) 0.18" NA
Sep 8 61° 83° 45° (1956) 101° (1998) 0.18" NA
Sep 9 61° 83° 45° (1949) 96° (1980) 0.18" NA
Sep 10 60° 83° 45° (1962) 96° (1990) 0.18" NA
Sep 11 60° 82° 41° (1959) 96° (1984) 0.18" NA
Sep 12 60° 82° 40° (1959) 100° (2000) 0.19" NA
Sep 13 59° 82° 40° (1959) 97° (1956) 0.19" NA
Sep 14 59° 81° 40° (1959) 98° (1984) 0.19" NA
Sep 15 58° 81° 40° (1961) 97° (1956) 0.19" NA
Sep 16 58° 81° 41° (1993) 100° (1956) 0.19" NA
Sep 17 58° 80° 41° (1981) 98° (1954) 0.19" NA
Sep 18 57° 80° 40° (1981) 97° (1953) 0.19" NA
Sep 19 57° 80° 39° (1981) 98° (1952) 0.19" NA
Sep 20 57° 79° 39° (1991) 98° (1954) 0.19" NA
Sep 21 56° 79° 35° (1983) 100° (1954) 0.19" NA
Sep 22 56° 79° 33° (1995) 94° (1955) 0.19" NA
Sep 23 56° 79° 33° (1995) 95° (1956) 0.18" NA
Sep 24 55° 78° 32° (1989) 90° (1986) 0.18" NA
Sep 25 55° 78° 32° (1989) 89° (1984) 0.18" NA
Sep 26 54° 78° 36° (1984) 90° (1977) 0.18" NA
Sep 27 54° 77° 35° (1992) 94° (1953) 0.18" NA
Sep 28 54° 77° 35° (1967) 94° (1953) 0.17" NA
Sep 29 53° 77° 34° (1967) 104° (1953) 0.17" NA
Sep 30 53° 77° 33° (1984) 99° (1953) 0.17" NA
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