Harper, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 12° 30° -24° (1979) 70° (1989) 1.12" 8"
February 16° 35° -27° (1996) 72° (1976) 1.32" 7.6"
March 27° 48° -20° (1962) 86° (1986) 2.51" 4.1"
April 39° 61° 7° (1982) 93° (1965) 3.46" 0.8"
May 50° 71° 25° (2005) 94° (1956) 4.58" 0"
June 60° 80° 41° (1993) 105° (1988) 4.81" 0"
July 64° 85° 45° (1972) 107° (1988) 4.09" 0"
August 62° 83° 40° (1950) 107° (1988) 4.9" 0"
September 52° 75° 28° (1964) 99° (1955) 3.56" 0"
October 41° 63° 14° (1972) 93° (1953) 2.82" 0.3"
November 29° 48° -5° (1976) 79° (1999) 2.44" 1"
December 16° 33° -23° (1989) 71° (1998) 1.45" 7"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Mar 1 21° 41° -20° (1962) 62° (1983) 0.07" 0.2"
Mar 2 22° 41° -2° (1962) 74° (1992) 0.08" 0.1"
Mar 3 22° 41° -3° (1963) 78° (1983) 0.07" 0.2"
Mar 4 23° 42° -10° (1978) 67° (1983) 0.08" 0.2"
Mar 5 23° 42° -16° (1960) 69° (1992) 0.07" 0.2"
Mar 6 23° 43° -12° (1960) 74° (2009) 0.08" 0.2"
Mar 7 24° 43° -4° (1996) 74° (1987) 0.08" 0.2"
Mar 8 24° 44° -5° (1996) 78° (1977) 0.08" 0.1"
Mar 9 25° 44° -5° (1996) 75° (2000) 0.07" 0.2"
Mar 10 25° 45° 0° (1995) 72° (1955) 0.08" 0.2"
Mar 11 25° 45° 3° (1969) 78° (1972) 0.08" 0.1"
Mar 12 26° 46° -3° (1998) 71° (1990) 0.08" 0.2"
Mar 13 26° 46° -3° (1998) 79° (1990) 0.08" 0.1"
Mar 14 27° 47° 2° (1960) 77° (2007) 0.08" 0.1"
Mar 15 27° 47° 6° (1979) 73° (1995) 0.09" 0.2"
Mar 16 27° 48° 10° (1997) 74° (1995) 0.08" 0.1"
Mar 17 28° 48° 8° (1993) 77° (1966) 0.09" 0.2"
Mar 18 28° 49° 8° (1993) 76° (1976) 0.09" 0.1"
Mar 19 28° 49° 7° (1951) 76° (1976) 0.08" 0.1"
Mar 20 29° 50° 6° (1951) 73° (1972) 0.08" 0.1"
Mar 21 29° 50° 2° (1951) 71° (1991) 0.09" 0.1"
Mar 22 30° 51° 9° (1951) 82° (1988) 0.08" 0.1"
Mar 23 30° 51° 7° (1965) 77° (1994) 0.08" 0.1"
Mar 24 30° 52° 1° (1974) 82° (1967) 0.08" 0.1"
Mar 25 31° 52° 5° (1960) 74° (1967) 0.08" 0.1"
Mar 26 31° 53° 3° (1955) 81° (1989) 0.08" 0.1"
Mar 27 31° 53° 11° (1964) 84° (1991) 0.09" 0.1"
Mar 28 32° 54° 12° (1964) 79° (1986) 0.08" 0"
Mar 29 32° 54° 10° (1964) 86° (1986) 0.09" 0.1"
Mar 30 32° 54° 10° (1964) 83° (1967) 0.08" 0.1"
Mar 31 33° 55° 19° (1970) 82° (1978) 0.09" 0.1"
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