Deep River, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 12° 30° -24° (1979) 70° (1989) 1.12" 8"
February 16° 35° -27° (1996) 72° (1976) 1.32" 7.6"
March 27° 48° -20° (1962) 86° (1986) 2.51" 4.1"
April 39° 61° 7° (1982) 93° (1965) 3.46" 0.8"
May 50° 71° 25° (2005) 94° (1956) 4.58" 0"
June 60° 80° 41° (1993) 105° (1988) 4.81" 0"
July 64° 85° 45° (1972) 107° (1988) 4.09" 0"
August 62° 83° 40° (1950) 107° (1988) 4.9" 0"
September 52° 75° 28° (1964) 99° (1955) 3.56" 0"
October 41° 63° 14° (1972) 93° (1953) 2.82" 0.3"
November 29° 48° -5° (1976) 79° (1999) 2.44" 1"
December 16° 33° -23° (1989) 71° (1998) 1.45" 7"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 59° 80° 40° (1949) 98° (1953) 0.13" 0"
Sep 2 58° 80° 43° (1967) 97° (1953) 0.13" 0"
Sep 3 58° 80° 40° (1974) 97° (2000) 0.12" 0"
Sep 4 57° 80° 40° (1974) 94° (1954) 0.13" 0"
Sep 5 57° 79° 41° (1962) 96° (1990) 0.13" 0"
Sep 6 57° 79° 42° (1962) 95° (1985) 0.13" 0"
Sep 7 56° 79° 41° (1956) 95° (1960) 0.12" 0"
Sep 8 56° 78° 43° (1949) 96° (1971) 0.13" 0"
Sep 9 55° 78° 44° (1949) 99° (1955) 0.13" 0"
Sep 10 55° 78° 40° (1976) 96° (1983) 0.12" 0"
Sep 11 54° 77° 40° (1955) 92° (1953) 0.12" 0"
Sep 12 54° 77° 39° (1955) 96° (2000) 0.12" 0"
Sep 13 54° 77° 39° (1953) 91° (1956) 0.12" 0"
Sep 14 53° 76° 38° (1996) 91° (1955) 0.11" 0"
Sep 15 53° 76° 34° (2007) 95° (1955) 0.12" 0"
Sep 16 52° 75° 35° (2007) 92° (1955) 0.11" 0"
Sep 17 52° 75° 39° (1980) 93° (1955) 0.12" 0"
Sep 18 51° 75° 38° (1981) 93° (1948) 0.12" 0"
Sep 19 51° 74° 33° (1991) 96° (1948) 0.12" 0"
Sep 20 50° 74° 33° (1991) 89° (1970) 0.12" 0"
Sep 21 50° 73° 33° (1991) 87° (1986) 0.12" 0"
Sep 22 49° 73° 31° (1995) 88° (1988) 0.12" 0"
Sep 23 49° 72° 31° (1995) 82° (1956) 0.11" 0"
Sep 24 49° 72° 32° (1995) 90° (1984) 0.11" 0"
Sep 25 48° 72° 34° (1989) 90° (1956) 0.12" 0"
Sep 26 48° 71° 30° (1984) 89° (1953) 0.1" 0"
Sep 27 47° 71° 34° (1985) 89° (1971) 0.11" 0"
Sep 28 47° 70° 28° (1964) 98° (1953) 0.11" 0"
Sep 29 46° 70° 31° (1949) 93° (1953) 0.11" 0"
Sep 30 46° 70° 33° (2003) 90° (1952) 0.1" 0"
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