Lyman, Wyoming
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 12° 32° -26° (1974) 57° (1974) 0.44" NA
February 14° 36° -33° (1989) 62° (1982) 0.37" NA
March 21° 44° -22° (1969) 71° (2004) 0.51" NA
April 27° 54° -3° (1983) 79° (1992) 0.95" NA
May 34° 64° 15° (1977) 87° (2003) 1.25" NA
June 42° 74° 22° (1976) 92° (1988) 0.96" NA
July 48° 81° 30° (1997) 94° (2002) 0.94" NA
August 47° 80° 28° (1993) 92° (1979) 0.87" NA
September 39° 71° 9° (1985) 88° (1977) 1.07" NA
October 31° 59° -8° (1972) 82° (1974) 0.92" NA
November 20° 42° -19° (1979) 74° (1975) 0.61" NA
December 13° 33° -31° (1990) 62° (1980) 0.42" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 43° 76° 33° (1973) 86° (1995) 0.03" NA
Sep 2 43° 75° 28° (1974) 86° (1995) 0.03" NA
Sep 3 42° 75° 29° (1974) 87° (1978) 0.03" NA
Sep 4 42° 75° 32° (1968) 86° (1998) 0.03" NA
Sep 5 42° 74° 33° (1987) 88° (1977) 0.03" NA
Sep 6 42° 74° 33° (1970) 87° (1978) 0.03" NA
Sep 7 41° 74° 25° (1968) 87° (1979) 0.03" NA
Sep 8 41° 73° 29° (2001) 84° (1979) 0.03" NA
Sep 9 41° 73° 27° (1976) 85° (1979) 0.03" NA
Sep 10 40° 73° 27° (1970) 82° (1990) 0.03" NA
Sep 11 40° 72° 30° (1978) 85° (1990) 0.04" NA
Sep 12 40° 72° 26° (1974) 87° (1990) 0.04" NA
Sep 13 40° 72° 21° (1974) 85° (1990) 0.04" NA
Sep 14 39° 71° 24° (1974) 85° (1990) 0.04" NA
Sep 15 39° 71° 19° (1970) 85° (2000) 0.04" NA
Sep 16 39° 71° 22° (1971) 83° (2000) 0.04" NA
Sep 17 38° 70° 24° (1971) 82° (1998) 0.04" NA
Sep 18 38° 70° 16° (1971) 81° (1980) 0.04" NA
Sep 19 38° 69° 17° (1978) 78° (1981) 0.04" NA
Sep 20 38° 69° 18° (1983) 76° (1966) 0.04" NA
Sep 21 37° 69° 20° (1978) 80° (1966) 0.04" NA
Sep 22 37° 69° 20° (1984) 79° (1966) 0.04" NA
Sep 23 37° 68° 21° (2000) 84° (1966) 0.04" NA
Sep 24 37° 68° 23° (2000) 81° (2001) 0.04" NA
Sep 25 37° 68° 18° (1970) 82° (2001) 0.04" NA
Sep 26 36° 67° 19° (1984) 78° (2001) 0.04" NA
Sep 27 36° 67° 17° (1996) 80° (2001) 0.04" NA
Sep 28 36° 67° 15° (1971) 80° (1994) 0.03" NA
Sep 29 36° 66° 9° (1985) 80° (1969) 0.03" NA
Sep 30 35° 66° 18° (1985) 80° (1989) 0.03" NA
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