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
Feb 1 24° 43° -9° (1979) 75° (1989) 0.06" NA
Feb 2 24° 43° -9° (1951) 72° (1992) 0.06" NA
Feb 3 24° 44° -8° (1996) 73° (2003) 0.06" NA
Feb 4 24° 44° -9° (1996) 71° (1962) 0.07" NA
Feb 5 24° 44° -5° (1989) 74° (1962) 0.07" NA
Feb 6 25° 44° -8° (1985) 67° (1963) 0.07" NA
Feb 7 25° 45° -8° (1985) 61° (1950) 0.07" NA
Feb 8 25° 45° -2° (1971) 68° (2001) 0.07" NA
Feb 9 25° 45° -11° (1979) 72° (2001) 0.07" NA
Feb 10 26° 46° -5° (1979) 72° (1996) 0.07" NA
Feb 11 26° 46° -8° (1981) 75° (1999) 0.07" NA
Feb 12 26° 46° -9° (1988) 79° (1951) 0.07" NA
Feb 13 26° 47° 1° (1980) 79° (1962) 0.07" NA
Feb 14 26° 47° 10° (1958) 77° (1962) 0.08" NA
Feb 15 27° 47° 7° (1986) 76° (1954) 0.08" NA
Feb 16 27° 48° 1° (1958) 74° (1976) 0.08" NA
Feb 17 27° 48° 1° (1979) 75° (1976) 0.08" NA
Feb 18 27° 48° -3° (1978) 70° (1970) 0.08" NA
Feb 19 28° 49° -2° (1978) 73° (1986) 0.08" NA
Feb 20 28° 49° 0° (1978) 72° (2004) 0.09" NA
Feb 21 28° 49° 7° (1963) 78° (1981) 0.09" NA
Feb 22 29° 50° 5° (1978) 72° (1996) 0.09" NA
Feb 23 29° 50° 2° (1989) 80° (1996) 0.09" NA
Feb 24 29° 50° 4° (1989) 78° (1982) 0.09" NA
Feb 25 29° 51° -1° (1965) 79° (1956) 0.1" NA
Feb 26 30° 51° 1° (1965) 75° (1981) 0.1" NA
Feb 27 30° 51° 4° (1960) 79° (1996) 0.1" NA
Feb 28 30° 52° 0° (1962) 77° (1976) 0.1" NA
Feb 29 30° 52° 8° (1960) 76° (1976) 0.1" NA
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