Portland, Missouri
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 18° 39° -33° (1963) 77° (1965) 1.71" NA
February 23° 46° -17° (1988) 84° (1972) 2.02" NA
March 32° 57° -6° (1978) 87° (1985) 3.29" NA
April 42° 67° 17° (1989) 94° (1987) 3.59" NA
May 51° 75° 27° (1989) 93° (1987) 4.82" NA
June 60° 84° 38° (1988) 106° (1988) 4.27" NA
July 65° 89° 44° (1967) 111° (1980) 3.28" NA
August 63° 88° 37° (1986) 109° (1984) 3.72" NA
September 55° 80° 28° (1989) 103° (1984) 3.9" NA
October 44° 69° 17° (1981) 94° (1963) 3.41" NA
November 33° 55° 2° (1991) 85° (1989) 3.69" NA
December 23° 43° -21° (1989) 77° (1991) 2.75" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Oct 1 49° 75° 28° (1985) 90° (1995) 0.12" NA
Oct 2 49° 75° 27° (1985) 91° (1976) 0.11" NA
Oct 3 48° 74° 25° (1987) 92° (2006) 0.11" NA
Oct 4 48° 74° 27° (1987) 88° (1967) 0.11" NA
Oct 5 47° 74° 24° (1988) 91° (1981) 0.11" NA
Oct 6 47° 74° 20° (1988) 91° (1963) 0.11" NA
Oct 7 47° 73° 23° (1988) 93° (1963) 0.11" NA
Oct 8 46° 73° 22° (1987) 92° (1979) 0.11" NA
Oct 9 46° 72° 25° (2000) 90° (1980) 0.11" NA
Oct 10 46° 72° 25° (1964) 94° (1963) 0.11" NA
Oct 11 45° 72° 28° (1987) 92° (1963) 0.11" NA
Oct 12 45° 71° 20° (1987) 89° (1975) 0.11" NA
Oct 13 45° 71° 26° (1987) 89° (1989) 0.11" NA
Oct 14 44° 71° 28° (2006) 90° (1963) 0.11" NA
Oct 15 44° 70° 28° (2006) 91° (1963) 0.11" NA
Oct 16 43° 70° 27° (2002) 84° (1999) 0.1" NA
Oct 17 43° 69° 23° (1966) 90° (1964) 0.1" NA
Oct 18 43° 69° 23° (1976) 87° (1988) 0.11" NA
Oct 19 42° 68° 23° (1972) 87° (1963) 0.11" NA
Oct 20 42° 68° 26° (1972) 88° (1979) 0.11" NA
Oct 21 42° 67° 21° (1987) 89° (1978) 0.11" NA
Oct 22 41° 67° 22° (1982) 85° (1978) 0.11" NA
Oct 23 41° 67° 24° (2006) 82° (1963) 0.11" NA
Oct 24 41° 66° 17° (1981) 84° (1989) 0.11" NA
Oct 25 40° 66° 22° (2006) 82° (1963) 0.11" NA
Oct 26 40° 65° 24° (1980) 84° (1963) 0.11" NA
Oct 27 40° 65° 26° (1988) 87° (1977) 0.11" NA
Oct 28 39° 64° 20° (1988) 84° (1977) 0.11" NA
Oct 29 39° 64° 19° (1988) 81° (1971) 0.11" NA
Oct 30 39° 63° 21° (1980) 86° (1987) 0.11" NA
Oct 31 38° 62° 23° (1993) 84° (1968) 0.12" NA
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