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
Apr 1 37° 62° 26° (1968) 86° (1963) 0.11" NA
Apr 2 37° 62° 24° (1979) 86° (1981) 0.11" NA
Apr 3 38° 63° 18° (1987) 85° (2007) 0.11" NA
Apr 4 38° 63° 19° (1987) 80° (1967) 0.11" NA
Apr 5 38° 63° 24° (2002) 90° (1988) 0.11" NA
Apr 6 39° 64° 18° (1982) 85° (1967) 0.11" NA
Apr 7 39° 64° 19° (2007) 84° (1986) 0.11" NA
Apr 8 39° 64° 19° (2007) 86° (1978) 0.11" NA
Apr 9 40° 65° 20° (1997) 86° (1967) 0.11" NA
Apr 10 40° 65° 17° (1989) 88° (2001) 0.11" NA
Apr 11 40° 65° 17° (1989) 88° (1971) 0.11" NA
Apr 12 40° 66° 21° (1989) 91° (1972) 0.12" NA
Apr 13 41° 66° 28° (1973) 88° (1972) 0.12" NA
Apr 14 41° 66° 25° (1997) 89° (2006) 0.12" NA
Apr 15 41° 66° 26° (1997) 90° (2006) 0.12" NA
Apr 16 42° 67° 23° (1988) 88° (1977) 0.12" NA
Apr 17 42° 67° 27° (1983) 87° (1977) 0.12" NA
Apr 18 42° 67° 25° (1988) 87° (1963) 0.12" NA
Apr 19 43° 68° 23° (1988) 89° (1987) 0.12" NA
Apr 20 43° 68° 26° (1983) 94° (1987) 0.12" NA
Apr 21 43° 68° 28° (1982) 93° (1987) 0.12" NA
Apr 22 44° 68° 26° (1986) 92° (1965) 0.12" NA
Apr 23 44° 69° 32° (1986) 90° (1965) 0.13" NA
Apr 24 44° 69° 24° (1988) 88° (1965) 0.13" NA
Apr 25 45° 69° 34° (1983) 91° (1986) 0.13" NA
Apr 26 45° 70° 28° (1976) 89° (1986) 0.13" NA
Apr 27 45° 70° 30° (1967) 91° (1989) 0.13" NA
Apr 28 46° 70° 30° (1988) 91° (1970) 0.13" NA
Apr 29 46° 70° 29° (1988) 92° (1987) 0.14" NA
Apr 30 46° 71° 32° (1988) 90° (1987) 0.14" NA
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