Deep River, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 10° 28° -24° (1979) 70° (1989) 1.08" NA
February 15° 35° -27° (1996) 72° (1976) 1.01" NA
March 26° 47° -20° (1962) 86° (1986) 2.34" NA
April 38° 60° 7° (1982) 93° (1965) 3.61" NA
May 49° 71° 25° (2005) 94° (1956) 4.28" NA
June 58° 81° 41° (1993) 105° (1988) 4.18" NA
July 63° 85° 45° (1972) 107° (1988) 4.11" NA
August 61° 83° 40° (1950) 107° (1988) 4.31" NA
September 51° 75° 28° (1964) 99° (1955) 3.74" NA
October 40° 63° 14° (1972) 93° (1953) 2.76" NA
November 28° 47° -5° (1976) 79° (1999) 2.59" NA
December 16° 33° -23° (1989) 71° (1998) 1.33" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Mar 1 20° 40° -20° (1962) 62° (1983) 0.05" NA
Mar 2 21° 41° -2° (1962) 74° (1992) 0.05" NA
Mar 3 21° 41° -3° (1963) 78° (1983) 0.05" NA
Mar 4 22° 42° -10° (1978) 67° (1983) 0.06" NA
Mar 5 22° 42° -16° (1960) 69° (1992) 0.06" NA
Mar 6 22° 43° -12° (1960) 71° (1974) 0.06" NA
Mar 7 23° 43° -4° (1996) 74° (1987) 0.06" NA
Mar 8 23° 44° -5° (1996) 78° (1977) 0.06" NA
Mar 9 24° 44° -5° (1996) 75° (2000) 0.06" NA
Mar 10 24° 44° 0° (1995) 72° (1955) 0.06" NA
Mar 11 24° 45° 3° (1969) 78° (1972) 0.07" NA
Mar 12 25° 45° -3° (1998) 71° (1990) 0.07" NA
Mar 13 25° 46° -3° (1998) 79° (1990) 0.07" NA
Mar 14 25° 46° 2° (1960) 77° (2007) 0.07" NA
Mar 15 26° 47° 6° (1979) 73° (1995) 0.07" NA
Mar 16 26° 47° 10° (1997) 74° (1995) 0.08" NA
Mar 17 27° 48° 8° (1993) 77° (1966) 0.08" NA
Mar 18 27° 48° 8° (1993) 76° (1976) 0.08" NA
Mar 19 27° 48° 7° (1951) 76° (1976) 0.08" NA
Mar 20 28° 49° 6° (1951) 73° (1972) 0.08" NA
Mar 21 28° 49° 2° (1951) 71° (1991) 0.08" NA
Mar 22 29° 50° 9° (1951) 82° (1988) 0.09" NA
Mar 23 29° 50° 7° (1965) 77° (1994) 0.09" NA
Mar 24 29° 51° 1° (1974) 82° (1967) 0.09" NA
Mar 25 30° 51° 5° (1960) 74° (1967) 0.09" NA
Mar 26 30° 52° 3° (1955) 81° (1989) 0.09" NA
Mar 27 30° 52° 11° (1964) 84° (1991) 0.09" NA
Mar 28 31° 52° 12° (1964) 79° (1986) 0.1" NA
Mar 29 31° 53° 10° (1964) 86° (1986) 0.1" NA
Mar 30 32° 53° 10° (1964) 83° (1967) 0.1" NA
Mar 31 32° 54° 19° (1970) 82° (1978) 0.1" NA
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