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
May 1 30° 59° 15° (1967) 76° (1981) 0.04" NA
May 2 31° 59° 17° (1967) 75° (1985) 0.04" NA
May 3 31° 59° 22° (1972) 77° (1986) 0.04" NA
May 4 31° 60° 15° (1977) 77° (2000) 0.04" NA
May 5 31° 60° 18° (1982) 77° (1992) 0.04" NA
May 6 32° 60° 23° (1975) 77° (1966) 0.04" NA
May 7 32° 61° 20° (1968) 78° (1989) 0.04" NA
May 8 32° 61° 19° (2002) 74° (1991) 0.04" NA
May 9 33° 61° 18° (2002) 75° (1989) 0.04" NA
May 10 33° 62° 18° (1999) 76° (2004) 0.04" NA
May 11 33° 62° 20° (1970) 78° (2007) 0.04" NA
May 12 33° 62° 20° (2000) 78° (1988) 0.04" NA
May 13 34° 63° 19° (1983) 81° (1996) 0.04" NA
May 14 34° 63° 16° (1983) 83° (1975) 0.05" NA
May 15 34° 63° 25° (1974) 77° (1988) 0.04" NA
May 16 34° 64° 24° (1976) 79° (1988) 0.04" NA
May 17 35° 64° 22° (1984) 79° (2006) 0.04" NA
May 18 35° 64° 25° (1971) 80° (2006) 0.04" NA
May 19 35° 65° 22° (2003) 80° (2002) 0.04" NA
May 20 35° 65° 24° (2003) 79° (2002) 0.04" NA
May 21 36° 66° 24° (1972) 79° (2005) 0.04" NA
May 22 36° 66° 22° (1975) 79° (1967) 0.04" NA
May 23 36° 66° 20° (1966) 81° (2003) 0.04" NA
May 24 37° 67° 26° (1974) 78° (1967) 0.04" NA
May 25 37° 67° 26° (1975) 80° (2003) 0.04" NA
May 26 37° 67° 16° (1975) 79° (1988) 0.04" NA
May 27 37° 68° 27° (1973) 82° (2003) 0.04" NA
May 28 38° 68° 26° (1977) 86° (2003) 0.04" NA
May 29 38° 68° 23° (1982) 87° (2003) 0.04" NA
May 30 38° 69° 19° (1970) 85° (2003) 0.04" NA
May 31 38° 69° 19° (1970) 86° (2002) 0.04" NA
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