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
Feb 1 29° 53° 2° (1951) 79° (1974) 0.06" 0"
Feb 2 29° 54° -2° (1985) 78° (1974) 0.05" 0.1"
Feb 3 30° 54° 0° (1985) 81° (2003) 0.06" 0"
Feb 4 30° 54° 1° (1996) 80° (1962) 0.05" 0"
Feb 5 30° 54° 3° (1996) 77° (1963) 0.06" 0"
Feb 6 30° 54° 6° (1989) 73° (1999) 0.06" 0.1"
Feb 7 30° 54° 12° (1989) 80° (1950) 0.06" 0"
Feb 8 31° 55° 6° (1971) 75° (1954) 0.07" 0"
Feb 9 31° 55° 7° (1979) 85° (1954) 0.07" 0"
Feb 10 31° 55° 4° (1980) 83° (1954) 0.08" 0.1"
Feb 11 31° 55° 4° (1986) 82° (1962) 0.07" 0"
Feb 12 31° 55° 6° (1981) 85° (1951) 0.07" 0"
Feb 13 32° 55° 11° (1958) 82° (1962) 0.07" 0"
Feb 14 32° 56° 16° (1951) 83° (1954) 0.07" 0"
Feb 15 32° 56° 14° (2007) 83° (1954) 0.08" 0.1"
Feb 16 32° 56° 11° (1979) 77° (1959) 0.07" 0"
Feb 17 33° 56° 12° (1979) 78° (1970) 0.08" 0"
Feb 18 33° 57° 14° (1980) 80° (2009) 0.08" 0"
Feb 19 33° 57° 14° (2006) 80° (2009) 0.08" 0"
Feb 20 34° 57° 12° (1978) 84° (1986) 0.08" 0"
Feb 21 34° 57° 15° (1978) 86° (1996) 0.07" 0"
Feb 22 34° 58° 17° (1963) 87° (1996) 0.08" 0"
Feb 23 34° 58° 18° (1989) 90° (1996) 0.09" 0.1"
Feb 24 35° 58° 10° (1965) 85° (1956) 0.08" 0"
Feb 25 35° 58° 11° (1960) 87° (1956) 0.08" 0"
Feb 26 35° 59° 15° (2003) 82° (1954) 0.08" 0"
Feb 27 36° 59° 13° (2002) 83° (1950) 0.09" 0"
Feb 28 36° 59° 9° (1962) 83° (1972) 0.09" 0"
Feb 29 36° 59° 19° (1960) 82° (1972) 0.09" NA
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