Westerville, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 13° 31° -24° (1982) 65° (2003) 0.88" 6.5"
February 17° 36° -25° (1996) 74° (1972) 1.23" 5.1"
March 27° 49° -18° (1962) 87° (1986) 2.38" 3.5"
April 38° 61° 8° (1982) 89° (1987) 3.5" 0.9"
May 50° 71° 25° (1992) 93° (1967) 5.11" 0"
June 59° 80° 36° (1989) 105° (1988) 4.67" 0"
July 65° 84° 43° (1971) 105° (1980) 4.88" 0"
August 62° 83° 41° (1992) 104° (1988) 4.21" 0"
September 53° 76° 25° (1989) 97° (2000) 3.92" 0"
October 41° 63° 14° (1972) 91° (1963) 2.89" 0.4"
November 29° 48° -15° (1964) 79° (1999) 2.1" 1.7"
December 17° 34° -30° (1989) 67° (1984) 1.29" 7"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Mar 1 22° 42° -18° (1962) 66° (1983) 0.06" 0.1"
Mar 2 22° 42° -1° (1962) 76° (1992) 0.05" 0.2"
Mar 3 23° 43° 1° (1978) 79° (1983) 0.06" 0.1"
Mar 4 23° 43° -13° (1978) 75° (1983) 0.06" 0.1"
Mar 5 23° 43° -15° (1960) 69° (1956) 0.07" 0.2"
Mar 6 24° 44° -7° (1960) 72° (2009) 0.06" 0.1"
Mar 7 24° 44° -5° (1996) 72° (2000) 0.07" 0.2"
Mar 8 25° 45° -5° (1995) 77° (2000) 0.06" 0.1"
Mar 9 25° 45° -3° (1995) 73° (1986) 0.07" 0.1"
Mar 10 25° 46° 1° (1998) 72° (1967) 0.06" 0.2"
Mar 11 26° 46° 0° (1998) 81° (1972) 0.07" 0.1"
Mar 12 26° 47° -10° (1998) 70° (1957) 0.07" 0.1"
Mar 13 26° 47° -9° (1998) 76° (1990) 0.07" 0.1"
Mar 14 27° 48° 3° (1993) 75° (1977) 0.07" 0.2"
Mar 15 27° 48° 9° (1979) 75° (2002) 0.08" 0.1"
Mar 16 27° 49° 13° (1956) 77° (2003) 0.07" 0.1"
Mar 17 28° 49° 9° (1993) 76° (2003) 0.08" 0.1"
Mar 18 28° 50° 5° (1965) 76° (2009) 0.08" 0.1"
Mar 19 28° 50° 4° (1965) 75° (1976) 0.09" 0.1"
Mar 20 29° 50° 12° (1965) 71° (1972) 0.08" 0.1"
Mar 21 29° 51° 7° (1960) 71° (1994) 0.08" 0.1"
Mar 22 29° 51° 8° (2002) 85° (1988) 0.08" 0.1"
Mar 23 30° 52° 7° (1960) 79° (1994) 0.09" 0.1"
Mar 24 30° 52° 3° (1965) 82° (1967) 0.08" 0.1"
Mar 25 30° 53° 3° (1965) 76° (1956) 0.09" 0.1"
Mar 26 31° 53° 2° (1964) 79° (1991) 0.09" 0.1"
Mar 27 31° 54° 11° (1996) 85° (1991) 0.09" 0"
Mar 28 31° 54° 6° (1970) 81° (1968) 0.1" 0.1"
Mar 29 32° 54° 7° (1969) 87° (1986) 0.1" 0.1"
Mar 30 32° 55° 11° (1975) 87° (1968) 0.1" 0.1"
Mar 31 32° 55° 17° (1994) 82° (1968) 0.1" 0.1"
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