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
Mar 1 27° 51° 9° (1980) 78° (1972) 0.09" NA
Mar 2 27° 51° 1° (1980) 80° (1976) 0.09" NA
Mar 3 28° 52° 5° (2002) 82° (1974) 0.1" NA
Mar 4 28° 52° -4° (1978) 78° (1974) 0.1" NA
Mar 5 28° 53° -6° (1978) 72° (1976) 0.1" NA
Mar 6 29° 53° 12° (1966) 83° (1974) 0.1" NA
Mar 7 29° 53° 9° (1996) 86° (1974) 0.1" NA
Mar 8 29° 54° 2° (1996) 83° (1974) 0.1" NA
Mar 9 30° 54° 2° (1996) 80° (1990) 0.1" NA
Mar 10 30° 55° 8° (1998) 82° (1967) 0.1" NA
Mar 11 30° 55° 8° (1998) 84° (1972) 0.11" NA
Mar 12 31° 55° -3° (1998) 84° (1990) 0.11" NA
Mar 13 31° 56° 2° (1998) 80° (1990) 0.11" NA
Mar 14 31° 56° 9° (1993) 85° (1971) 0.11" NA
Mar 15 32° 56° 9° (1993) 80° (1977) 0.11" NA
Mar 16 32° 57° 10° (1988) 78° (1982) 0.11" NA
Mar 17 32° 57° 17° (1967) 80° (1989) 0.11" NA
Mar 18 33° 58° 14° (1965) 76° (1995) 0.11" NA
Mar 19 33° 58° 10° (1965) 80° (1969) 0.11" NA
Mar 20 33° 58° 15° (1965) 81° (1972) 0.11" NA
Mar 21 34° 59° 10° (1986) 85° (1966) 0.11" NA
Mar 22 34° 59° 13° (2002) 84° (1997) 0.11" NA
Mar 23 34° 59° 15° (1974) 82° (1988) 0.11" NA
Mar 24 34° 60° 1° (1974) 83° (1967) 0.11" NA
Mar 25 35° 60° 15° (1966) 81° (1967) 0.11" NA
Mar 26 35° 60° 13° (1964) 84° (1989) 0.11" NA
Mar 27 35° 61° 17° (2001) 81° (1989) 0.11" NA
Mar 28 36° 61° 18° (1966) 87° (1985) 0.11" NA
Mar 29 36° 61° 16° (1964) 85° (1963) 0.11" NA
Mar 30 36° 62° 15° (1964) 84° (1986) 0.11" NA
Mar 31 37° 62° 18° (1987) 83° (1978) 0.11" NA
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