Guymon, Oklahoma
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 18° 48° -22° (1959) 82° (2006) 0.29" 3.2"
February 23° 54° -13° (1951) 88° (1963) 0.36" 2.9"
March 30° 62° -9° (1948) 94° (1995) 1.1" 2"
April 39° 71° 9° (1979) 100° (1989) 1.4" 1.3"
May 49° 80° 25° (1967) 104° (1953) 3.14" 0.1"
June 59° 90° 39° (1954) 111° (1998) 2.46" 0"
July 64° 95° 45° (1952) 108° (2003) 2.38" 0"
August 62° 93° 45° (1967) 108° (1969) 2.06" 0"
September 54° 85° 28° (1985) 109° (1995) 1.57" 0.1"
October 41° 74° 11° (1993) 98° (2000) 1.2" 0.2"
November 29° 60° -5° (1976) 89° (1980) 0.61" 1.7"
December 21° 50° -13° (1989) 85° (1955) 0.34" 2.2"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 59° 89° 46° (1967) 101° (1990) 0.06" NA
Sep 2 58° 89° 45° (1974) 100° (1961) 0.06" NA
Sep 3 58° 89° 41° (1974) 102° (1995) 0.06" NA
Sep 4 58° 89° 36° (1961) 104° (2000) 0.06" NA
Sep 5 58° 88° 43° (1961) 106° (2000) 0.06" NA
Sep 6 57° 88° 48° (1956) 109° (1995) 0.06" NA
Sep 7 57° 88° 45° (1957) 105° (2000) 0.06" NA
Sep 8 56° 87° 45° (1957) 101° (1999) 0.05" NA
Sep 9 56° 87° 42° (2001) 99° (1971) 0.05" NA
Sep 10 56° 87° 39° (1959) 98° (1999) 0.05" NA
Sep 11 55° 86° 43° (2007) 100° (1956) 0.05" NA
Sep 12 55° 86° 38° (1959) 100° (2000) 0.05" NA
Sep 13 55° 86° 37° (1959) 99° (1955) 0.05" NA
Sep 14 54° 86° 38° (1993) 99° (1955) 0.05" NA
Sep 15 54° 85° 38° (1993) 97° (1992) 0.05" NA
Sep 16 54° 85° 35° (1951) 100° (1997) 0.05" NA
Sep 17 53° 85° 38° (1965) 100° (1953) 0.05" NA
Sep 18 53° 84° 37° (1971) 102° (1954) 0.05" NA
Sep 19 53° 84° 35° (1971) 103° (1997) 0.05" NA
Sep 20 52° 84° 34° (1971) 101° (1983) 0.05" NA
Sep 21 52° 83° 31° (1983) 101° (2004) 0.05" NA
Sep 22 51° 83° 33° (1983) 100° (1980) 0.05" NA
Sep 23 51° 83° 34° (1995) 97° (2000) 0.05" NA
Sep 24 51° 83° 36° (1983) 95° (1984) 0.05" NA
Sep 25 50° 82° 31° (1961) 100° (1998) 0.05" NA
Sep 26 50° 82° 32° (1970) 98° (1998) 0.05" NA
Sep 27 49° 82° 38° (1970) 98° (1953) 0.05" NA
Sep 28 49° 81° 35° (1976) 97° (1953) 0.05" NA
Sep 29 49° 81° 30° (1984) 97° (1998) 0.05" NA
Sep 30 48° 81° 28° (1985) 99° (1994) 0.05" NA
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