Arthur, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 26° -32° (1970) 69° (2002) 0.78" 6.2"
February 13° 33° -30° (1958) 69° (2000) 0.67" 6.1"
March 24° 45° -24° (1960) 95° (1986) 2.04" 7.3"
April 35° 59° 3° (1975) 97° (1980) 3.07" 1"
May 48° 71° 19° (1961) 101° (1967) 3.88" 0"
June 59° 81° 34° (1969) 105° (1985) 4.67" 0"
July 63° 84° 42° (1972) 105° (1955) 3.79" 0"
August 61° 82° 36° (1986) 103° (1955) 3.81" 0"
September 51° 74° 22° (1984) 101° (2000) 2.86" 0"
October 39° 62° 10° (1976) 93° (1953) 2.14" 0.3"
November 25° 43° -13° (1959) 79° (1999) 1.42" 2.8"
December 12° 29° -28° (1989) 68° (1998) 0.81" 7.8"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 57° 79° 37° (1955) 96° (1953) 0.11" NA
Sep 2 56° 78° 41° (1952) 96° (1953) 0.11" NA
Sep 3 56° 78° 32° (1974) 101° (2000) 0.11" NA
Sep 4 56° 78° 39° (1974) 94° (1960) 0.11" NA
Sep 5 55° 78° 34° (1962) 94° (1952) 0.11" NA
Sep 6 55° 77° 39° (1956) 99° (1970) 0.11" NA
Sep 7 55° 77° 33° (1986) 95° (1978) 0.1" NA
Sep 8 54° 77° 35° (1986) 95° (1978) 0.1" NA
Sep 9 54° 77° 39° (1969) 97° (1955) 0.1" NA
Sep 10 53° 76° 33° (1959) 92° (1955) 0.1" NA
Sep 11 53° 76° 30° (1955) 95° (1948) 0.1" NA
Sep 12 53° 76° 33° (1955) 92° (1948) 0.1" NA
Sep 13 52° 75° 34° (1974) 92° (1955) 0.1" NA
Sep 14 52° 75° 38° (2007) 93° (2000) 0.1" NA
Sep 15 51° 75° 32° (1961) 97° (1955) 0.1" NA
Sep 16 51° 74° 32° (2007) 95° (1955) 0.09" NA
Sep 17 51° 74° 32° (1981) 95° (1955) 0.09" NA
Sep 18 50° 74° 31° (1981) 95° (2000) 0.09" NA
Sep 19 50° 73° 29° (1991) 98° (1948) 0.09" NA
Sep 20 50° 73° 28° (1962) 92° (1998) 0.09" NA
Sep 21 49° 73° 28° (1983) 91° (1956) 0.09" NA
Sep 22 49° 72° 27° (1974) 86° (1958) 0.09" NA
Sep 23 48° 72° 24° (1983) 84° (1984) 0.09" NA
Sep 24 48° 72° 29° (1965) 87° (1953) 0.09" NA
Sep 25 47° 71° 30° (1975) 90° (1956) 0.09" NA
Sep 26 47° 71° 23° (1984) 92° (1956) 0.08" NA
Sep 27 47° 71° 32° (1964) 93° (1956) 0.08" NA
Sep 28 46° 70° 24° (1961) 92° (1953) 0.08" NA
Sep 29 46° 70° 22° (1984) 91° (1981) 0.08" NA
Sep 30 45° 70° 23° (1984) 92° (1952) 0.08" NA
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