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
Aug 1 17.8° 29.4° 8° (1971) 39° (1970) 0.13" NA
Aug 2 17.8° 29.4° 12° (1985) 38° (1963) 0.13" NA
Aug 3 17.8° 29.4° 9° (1986) 37° (1988) 0.13" NA
Aug 4 17.8° 29.4° 8° (1978) 40° (1954) 0.13" NA
Aug 5 17.8° 29.4° 8° (1978) 35° (1988) 0.13" NA
Aug 6 17.8° 29.4° 9° (1978) 35° (1979) 0.12" NA
Aug 7 17.8° 29.4° 9° (1989) 37° (1958) 0.12" NA
Aug 8 17.2° 28.9° 10° (1989) 36° (1984) 0.12" NA
Aug 9 17.2° 28.9° 10° (1972) 37° (1988) 0.12" NA
Aug 10 17.2° 28.9° 10° (1972) 34° (1975) 0.12" NA
Aug 11 17.2° 28.9° 8° (1986) 34° (1971) 0.12" NA
Aug 12 17.2° 28.9° 8° (1964) 35° (1958) 0.12" NA
Aug 13 17.2° 28.9° 8° (1964) 37° (1975) 0.12" NA
Aug 14 16.7° 28.9° 12° (1963) 36° (1971) 0.12" NA
Aug 15 16.7° 28.3° 11° (1964) 36° (1965) 0.11" NA
Aug 16 16.7° 28.3° 10° (1978) 37° (1988) 0.11" NA
Aug 17 16.7° 28.3° 11° (1981) 36° (1988) 0.11" NA
Aug 18 16.7° 28.3° 8° (1981) 37° (1988) 0.11" NA
Aug 19 16.1° 28.3° 11° (1956) 36° (1955) 0.11" NA
Aug 20 16.1° 28.3° 8° (1981) 35° (1955) 0.11" NA
Aug 21 16.1° 27.8° 9° (1978) 36° (1955) 0.11" NA
Aug 22 16.1° 27.8° 11° (1951) 37° (1975) 0.12" NA
Aug 23 15.6° 27.8° 7° (1984) 36° (1975) 0.12" NA
Aug 24 15.6° 27.8° 7° (1984) 37° (1975) 0.12" NA
Aug 25 15.6° 27.8° 8° (1958) 36° (1955) 0.12" NA
Aug 26 15.6° 27.2° 11° (1985) 37° (1955) 0.12" NA
Aug 27 15° 27.2° 8° (1967) 37° (1955) 0.12" NA
Aug 28 15° 27.2° 3° (1986) 36° (1984) 0.12" NA
Aug 29 15° 27.2° 4° (1986) 36° (1984) 0.12" NA
Aug 30 14.4° 27.2° 7° (1986) 37° (1984) 0.13" NA
Aug 31 14.4° 26.7° 6° (1967) 36° (1953) 0.13" NA
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