Allerton, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -12° -1° -31.1° (1974) 18.3° (1952) 0.99" NA
February -8° -29.4° (1979) 21.7° (1972) 1.12" NA
March -3° -26.7° (1962) 29.4° (1991) 2.11" NA
April 16° -13.3° (1975) 32.8° (1989) 3.67" NA
May 10° 22° -1.1° (1976) 34.4° (1956) 4.25" NA
June 16° 27° 4.4° (1969) 38.3° (1988) 4.34" NA
July 18° 29° 7.2° (1971) 39.4° (1956) 4.85" NA
August 17° 28° 3.3° (1986) 40° (1954) 3.72" NA
September 12° 24° -1.1° (1951) 37.2° (1953) 4.1" NA
October 18° -8.9° (1972) 34.4° (1963) 3" NA
November -2° -22.2° (1964) 26.7° (1968) 2.3" NA
December -9° -31.1° (1989) 18.9° (1965) 1.16" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 -5.6° 3.9° -18° (1976) 17° (1970) 0.06" NA
Dec 2 -6.1° 3.9° -19° (1985) 18° (1962) 0.05" NA
Dec 3 -6.1° 3.9° -21° (1985) 18° (1973) 0.05" NA
Dec 4 -6.7° 3.3° -22° (1985) 17° (1961) 0.05" NA
Dec 5 -6.7° 3.3° -17° (1964) 17° (1975) 0.05" NA
Dec 6 -7.2° 2.8° -21° (1972) 17° (1975) 0.05" NA
Dec 7 -7.2° 2.8° -22° (1976) 13° (1988) 0.05" NA
Dec 8 -7.2° 2.2° -22° (1976) 12° (1952) 0.04" NA
Dec 9 -7.8° 2.2° -22° (1976) 13° (1965) 0.04" NA
Dec 10 -7.8° 1.7° -21° (1972) 14° (1965) 0.04" NA
Dec 11 -7.8° 1.7° -24° (1972) 19° (1965) 0.04" NA
Dec 12 -8.3° 1.7° -24° (1989) 17° (1965) 0.04" NA
Dec 13 -8.3° 1.1° -24° (1961) 16° (1968) 0.04" NA
Dec 14 -8.9° 1.1° -26° (1985) 16° (1975) 0.04" NA
Dec 15 -8.9° 1.1° -27° (1989) 14° (1975) 0.04" NA
Dec 16 -8.9° 0.6° -26° (1951) 12° (1952) 0.03" NA
Dec 17 -8.9° 0.6° -22° (1964) 13° (1962) 0.03" NA
Dec 18 -9.4° 0.6° -27° (1985) 15° (1962) 0.03" NA
Dec 19 -9.4° -29° (1983) 16° (1976) 0.03" NA
Dec 20 -9.4° -28° (1983) 14° (1967) 0.03" NA
Dec 21 -10° -28° (1989) 13° (1957) 0.03" NA
Dec 22 -10° -29° (1989) 14° (1957) 0.03" NA
Dec 23 -10° -0.6° -31° (1989) 16° (1964) 0.03" NA
Dec 24 -10° -0.6° -30° (1989) 13° (1965) 0.03" NA
Dec 25 -10.6° -0.6° -30° (1983) 14° (1960) 0.03" NA
Dec 26 -10.6° -0.6° -23° (1962) 13° (1959) 0.03" NA
Dec 27 -10.6° -0.6° -22° (1951) 13° (1959) 0.03" NA
Dec 28 -10.6° -1.1° -23° (1961) 14° (1976) 0.03" NA
Dec 29 -11.1° -1.1° -22° (1983) 11° (1958) 0.03" NA
Dec 30 -11.1° -1.1° -22° (1983) 16° (1965) 0.03" NA
Dec 31 -11.1° -1.1° -27° (1968) 17° (1965) 0.03" NA
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