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
Jul 1 17.2° 28.9° 11° (1951) 37° (1956) 0.16" NA
Jul 2 17.8° 28.9° 10° (1968) 36° (1970) 0.16" NA
Jul 3 17.8° 28.9° 9° (1967) 36° (1954) 0.16" NA
Jul 4 17.8° 29.4° 9° (1967) 37° (1990) 0.16" NA
Jul 5 17.8° 29.4° 8° (1972) 38° (1990) 0.16" NA
Jul 6 17.8° 29.4° 8° (1972) 38° (1954) 0.16" NA
Jul 7 17.8° 29.4° 9° (1972) 37° (1977) 0.16" NA
Jul 8 17.8° 29.4° 12° (1952) 37° (1989) 0.16" NA
Jul 9 18.3° 29.4° 12° (1953) 37° (1989) 0.16" NA
Jul 10 18.3° 29.4° 13° (1953) 37° (1966) 0.16" NA
Jul 11 18.3° 29.4° 13° (1978) 39° (1954) 0.16" NA
Jul 12 18.3° 29.4° 12° (1975) 39° (1954) 0.16" NA
Jul 13 18.3° 30° 9° (1975) 39° (1954) 0.16" NA
Jul 14 18.3° 30° 9° (1967) 39° (1954) 0.16" NA
Jul 15 18.3° 30° 12° (1967) 37° (1970) 0.16" NA
Jul 16 18.3° 30° 12° (1985) 37° (1977) 0.16" NA
Jul 17 18.3° 30° 11° (1976) 39° (1954) 0.16" NA
Jul 18 18.3° 30° 12° (1984) 38° (1954) 0.16" NA
Jul 19 18.3° 30° 13° (1979) 38° (1954) 0.16" NA
Jul 20 18.3° 30° 11° (1970) 38° (1954) 0.16" NA
Jul 21 18.3° 30° 11° (1970) 36° (1976) 0.16" NA
Jul 22 18.3° 30° 12° (1970) 38° (1974) 0.16" NA
Jul 23 18.3° 30° 12° (1970) 36° (1965) 0.16" NA
Jul 24 18.3° 30° 12° (1978) 35° (1953) 0.15" NA
Jul 25 18.3° 30° 13° (1975) 36° (1952) 0.15" NA
Jul 26 18.3° 30° 10° (1962) 38° (1956) 0.15" NA
Jul 27 18.3° 30° 10° (1971) 39° (1956) 0.15" NA
Jul 28 18.3° 29.4° 11° (1971) 38° (1955) 0.15" NA
Jul 29 18.3° 29.4° 9° (1981) 38° (1955) 0.14" NA
Jul 30 18.3° 29.4° 7° (1971) 39° (1955) 0.14" NA
Jul 31 18.3° 29.4° 7° (1971) 38° (1955) 0.14" NA
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