Grass Creek, Wyoming
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 36° -40° (1963) 63° (1981) 0.38" NA
February 12° 40° -40° (1989) 66° (1986) 0.31" NA
March 20° 48° -26° (1960) 74° (2007) 0.76" NA
April 27° 56° -2° (1975) 80° (2007) 1.26" NA
May 36° 65° 14° (1972) 93° (2003) 2.52" NA
June 43° 75° 22° (2000) 97° (2007) 1.88" NA
July 48° 82° 26° (1993) 100° (2006) 1.46" NA
August 47° 81° 20° (1968) 98° (2003) 1.13" NA
September 38° 71° 2° (1984) 93° (2007) 1.3" NA
October 29° 59° -5° (1991) 87° (1993) 0.97" NA
November 16° 44° -26° (1959) 70° (2001) 0.52" NA
December 37° -40° (1990) 69° (1980) 0.37" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 32° 60° 14° (1972) 79° (1985) 0.07" NA
May 2 32° 60° 19° (1990) 83° (2000) 0.07" NA
May 3 33° 61° 22° (1967) 81° (2000) 0.07" NA
May 4 33° 61° 17° (1967) 79° (1966) 0.07" NA
May 5 33° 61° 18° (1982) 79° (2004) 0.07" NA
May 6 33° 62° 23° (1964) 82° (1966) 0.08" NA
May 7 34° 62° 22° (1961) 81° (1966) 0.08" NA
May 8 34° 62° 21° (1961) 80° (1966) 0.08" NA
May 9 34° 62° 16° (2002) 78° (1985) 0.08" NA
May 10 35° 63° 20° (1979) 78° (1961) 0.08" NA
May 11 35° 63° 20° (1999) 84° (1960) 0.08" NA
May 12 35° 63° 21° (1966) 85° (1960) 0.08" NA
May 13 36° 64° 25° (1970) 86° (2001) 0.08" NA
May 14 36° 64° 19° (1974) 80° (2001) 0.08" NA
May 15 36° 64° 25° (1966) 83° (1987) 0.08" NA
May 16 36° 64° 18° (1974) 84° (2006) 0.09" NA
May 17 37° 65° 24° (1971) 81° (1970) 0.09" NA
May 18 37° 65° 27° (1965) 87° (2006) 0.09" NA
May 19 37° 65° 19° (1997) 82° (2006) 0.09" NA
May 20 38° 66° 19° (2003) 84° (1958) 0.09" NA
May 21 38° 66° 26° (1959) 83° (1958) 0.09" NA
May 22 38° 66° 19° (1974) 83° (1967) 0.09" NA
May 23 38° 67° 21° (1986) 82° (1967) 0.09" NA
May 24 39° 67° 19° (2002) 82° (1985) 0.09" NA
May 25 39° 67° 22° (1975) 85° (2003) 0.08" NA
May 26 39° 68° 24° (1975) 84° (2003) 0.08" NA
May 27 39° 68° 29° (1984) 84° (1969) 0.08" NA
May 28 39° 69° 26° (1984) 89° (2003) 0.08" NA
May 29 40° 69° 30° (1959) 93° (2003) 0.08" NA
May 30 40° 69° 24° (1982) 90° (2002) 0.08" NA
May 31 40° 70° 24° (1982) 84° (1986) 0.08" NA
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