Henderson, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 12° 31° -31° (1974) 66° (2003) 0.9" 5.8"
February 16° 36° -29° (1996) 75° (1972) 1.12" 7.3"
March 26° 49° -24° (1960) 89° (1986) 2.24" 4.9"
April 38° 62° 0° (1975) 93° (1996) 3.79" 1.1"
May 50° 72° 21° (1961) 100° (1967) 4.83" 0"
June 60° 81° 33° (1969) 101° (1956) 5.37" 0"
July 64° 85° 36° (1971) 105° (1974) 4.58" 0"
August 62° 83° 35° (1950) 102° (2003) 3.92" 0"
September 52° 76° 23° (1983) 101° (1953) 3.34" 0.1"
October 40° 64° 12° (1997) 93° (1963) 2.51" 0.8"
November 28° 48° -17° (1964) 83° (1999) 1.63" 1.6"
December 16° 33° -30° (1983) 67° (1998) 1.18" 7"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Feb 1 13° 32° -27° (1979) 63° (1989) 0.03" 0.3"
Feb 2 13° 32° -26° (1996) 63° (1987) 0.03" 0.3"
Feb 3 13° 32° -29° (1996) 65° (1992) 0.04" 0.3"
Feb 4 13° 33° -27° (1996) 55° (2005) 0.03" 0.3"
Feb 5 13° 33° -24° (1996) 61° (2005) 0.03" 0.3"
Feb 6 14° 33° -18° (1982) 61° (1999) 0.04" 0.3"
Feb 7 14° 33° -17° (1979) 67° (1987) 0.03" 0.2"
Feb 8 14° 34° -25° (1971) 63° (1954) 0.03" 0.3"
Feb 9 14° 34° -27° (1975) 60° (1954) 0.04" 0.3"
Feb 10 14° 34° -12° (1986) 62° (2000) 0.03" 0.3"
Feb 11 15° 34° -25° (1981) 72° (1999) 0.04" 0.3"
Feb 12 15° 35° -19° (1955) 61° (1976) 0.03" 0.3"
Feb 13 15° 35° -16° (1965) 71° (1990) 0.04" 0.3"
Feb 14 16° 35° -13° (1951) 68° (1967) 0.03" 0.2"
Feb 15 16° 35° -10° (1958) 62° (1954) 0.04" 0.3"
Feb 16 16° 36° -26° (1958) 63° (1961) 0.04" 0.3"
Feb 17 17° 36° -25° (1958) 67° (1981) 0.03" 0.2"
Feb 18 17° 37° -21° (1978) 63° (1954) 0.04" 0.3"
Feb 19 17° 37° -14° (1978) 62° (1994) 0.04" 0.2"
Feb 20 18° 37° -10° (1959) 65° (1996) 0.04" 0.3"
Feb 21 18° 38° -10° (2008) 68° (1977) 0.04" 0.2"
Feb 22 18° 38° -16° (1960) 66° (1982) 0.05" 0.2"
Feb 23 19° 39° -11° (1989) 64° (1982) 0.05" 0.2"
Feb 24 19° 39° -11° (1989) 66° (1981) 0.04" 0.3"
Feb 25 19° 39° -7° (2003) 66° (1996) 0.05" 0.2"
Feb 26 20° 40° -17° (1963) 70° (1988) 0.04" 0.2"
Feb 27 20° 40° -13° (1960) 68° (1976) 0.05" 0.2"
Feb 28 21° 41° -20° (1962) 74° (1972) 0.05" 0.2"
Feb 29 21° 41° -7° (1960) 75° (1972) 0.05" NA
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