Duncan, Oklahoma
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 28° 52° -4° (1988) 84° (1950) 1.51" 1.6"
February 32° 56° -2° (1985) 90° (1996) 2.12" 0.5"
March 41° 64° 2° (1948) 95° (1974) 2.96" 0.2"
April 49° 73° 26° (1997) 100° (1972) 3.56" 0"
May 59° 80° 34° (1960) 104° (2000) 5.28" 0"
June 67° 88° 47° (1964) 111° (1980) 4.96" 0"
July 71° 93° 55° (1972) 110° (1980) 2.6" 0"
August 71° 94° 55° (1992) 111° (1970) 2.78" 0"
September 63° 85° 38° (1984) 108° (2000) 3.64" 0"
October 51° 75° 19° (1993) 102° (1977) 4.26" 0"
November 40° 63° 14° (1993) 87° (1992) 2.31" 0.2"
December 30° 53° -7° (1989) 88° (1955) 2.12" 0.8"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Mar 1 36° 59° 11° (1962) 82° (2006) 0.09" 0"
Mar 2 37° 60° 12° (1980) 92° (2006) 0.09" 0"
Mar 3 37° 60° 10° (1980) 85° (1974) 0.09" 0"
Mar 4 37° 60° 11° (2002) 80° (1961) 0.09" 0.1"
Mar 5 37° 61° 12° (1989) 89° (1956) 0.11" 0"
Mar 6 38° 61° 10° (1989) 91° (1991) 0.1" 0"
Mar 7 38° 61° 12° (1989) 85° (1974) 0.09" 0"
Mar 8 38° 61° 12° (1967) 82° (1992) 0.1" 0"
Mar 9 39° 62° 15° (1996) 87° (2009) 0.09" 0"
Mar 10 39° 62° 17° (1948) 91° (1955) 0.09" 0"
Mar 11 39° 62° 2° (1948) 92° (1967) 0.09" 0.1"
Mar 12 40° 63° 4° (1948) 94° (1967) 0.09" 0"
Mar 13 40° 63° 14° (1948) 91° (1967) 0.09" 0"
Mar 14 40° 63° 21° (1954) 89° (1967) 0.09" 0"
Mar 15 40° 64° 24° (1958) 87° (2002) 0.1" 0"
Mar 16 41° 64° 24° (1956) 85° (1984) 0.09" 0"
Mar 17 41° 64° 23° (1960) 82° (1966) 0.09" 0"
Mar 18 41° 65° 22° (1965) 88° (1989) 0.1" 0"
Mar 19 42° 65° 20° (1988) 88° (1974) 0.1" 0"
Mar 20 42° 65° 12° (1965) 89° (1976) 0.1" 0"
Mar 21 42° 66° 22° (1955) 86° (1994) 0.1" 0"
Mar 22 42° 66° 19° (1955) 91° (1951) 0.1" 0"
Mar 23 43° 66° 23° (1952) 89° (1995) 0.1" 0"
Mar 24 43° 67° 25° (2006) 85° (1954) 0.1" 0"
Mar 25 43° 67° 24° (1965) 88° (1988) 0.1" 0"
Mar 26 43° 67° 15° (1955) 89° (1976) 0.1" 0"
Mar 27 44° 68° 19° (1955) 92° (1956) 0.09" 0"
Mar 28 44° 68° 26° (1955) 88° (2008) 0.1" 0"
Mar 29 44° 68° 30° (1964) 91° (1963) 0.09" 0"
Mar 30 45° 68° 22° (1975) 86° (1963) 0.1" 0"
Mar 31 45° 69° 29° (1972) 95° (1974) 0.1" 0"
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