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
Aug 1 65° 90° 53° (1992) 109° (1980) 0.11" NA
Aug 2 65° 90° 51° (1985) 106° (1980) 0.11" NA
Aug 3 65° 90° 50° (1986) 106° (1987) 0.11" NA
Aug 4 65° 90° 49° (1986) 103° (1987) 0.11" NA
Aug 5 65° 90° 50° (1974) 101° (1983) 0.11" NA
Aug 6 65° 90° 48° (1994) 102° (2006) 0.11" NA
Aug 7 65° 89° 48° (1994) 102° (1980) 0.11" NA
Aug 8 65° 89° 40° (1989) 104° (1988) 0.11" NA
Aug 9 65° 89° 42° (1989) 104° (1980) 0.11" NA
Aug 10 64° 89° 45° (1989) 103° (1980) 0.12" NA
Aug 11 64° 89° 45° (1989) 102° (1975) 0.12" NA
Aug 12 64° 89° 42° (1967) 104° (2007) 0.12" NA
Aug 13 64° 89° 42° (1967) 104° (2007) 0.12" NA
Aug 14 64° 89° 43° (1967) 98° (1987) 0.12" NA
Aug 15 64° 89° 47° (1967) 105° (2007) 0.12" NA
Aug 16 64° 88° 48° (1992) 107° (2007) 0.12" NA
Aug 17 63° 88° 49° (1992) 103° (1988) 0.12" NA
Aug 18 63° 88° 49° (1989) 105° (1983) 0.12" NA
Aug 19 63° 88° 50° (1989) 106° (1962) 0.12" NA
Aug 20 63° 88° 43° (1967) 103° (1983) 0.12" NA
Aug 21 63° 87° 50° (1981) 104° (1983) 0.12" NA
Aug 22 62° 87° 51° (1981) 103° (1983) 0.12" NA
Aug 23 62° 87° 48° (1966) 99° (1962) 0.13" NA
Aug 24 62° 87° 48° (1966) 107° (1983) 0.13" NA
Aug 25 62° 86° 50° (1966) 102° (1973) 0.13" NA
Aug 26 61° 86° 50° (1968) 105° (1983) 0.13" NA
Aug 27 61° 86° 47° (1967) 102° (1983) 0.13" NA
Aug 28 61° 86° 39° (1967) 103° (1984) 0.13" NA
Aug 29 60° 85° 37° (1986) 109° (1984) 0.13" NA
Aug 30 60° 85° 41° (1988) 97° (1984) 0.13" NA
Aug 31 60° 85° 41° (1967) 96° (1995) 0.13" NA
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