Yellowstone National Park, Wyoming
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -3° 23° -50° (1963) 46° (2005) 1.91" 31.8"
February -1° 28° -50° (1985) 56° (1982) 1.49" 25.3"
March 35° -42° (1965) 61° (2004) 1.73" 27.9"
April 15° 42° -26° (1975) 65° (1987) 1.48" 16.9"
May 25° 51° -2° (1967) 78° (2003) 2.06" 8.1"
June 33° 61° 14° (1951) 83° (1988) 2.08" 0.8"
July 37° 70° 20° (1985) 92° (2003) 1.66" 0"
August 36° 70° 17° (1976) 91° (1969) 1.69" 0"
September 29° 60° -5° (1985) 83° (1956) 1.59" 1.6"
October 21° 48° -13° (1991) 72° (1987) 1.32" 6.6"
November 10° 33° -30° (1955) 63° (1949) 1.71" 24.8"
December 25° -43° (1990) 48° (1981) 1.68" 26.5"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jul 1 36° 67° 25° (1971) 82° (1990) 0.06" NA
Jul 2 36° 67° 23° (1973) 78° (1949) 0.06" NA
Jul 3 36° 67° 27° (1958) 88° (1977) 0.06" NA
Jul 4 36° 68° 22° (1972) 81° (1989) 0.06" NA
Jul 5 36° 68° 24° (1986) 82° (1989) 0.06" NA
Jul 6 37° 68° 26° (1986) 84° (2007) 0.06" NA
Jul 7 37° 69° 21° (1977) 82° (2001) 0.06" NA
Jul 8 37° 69° 25° (1981) 81° (2002) 0.06" NA
Jul 9 37° 69° 29° (1959) 80° (1973) 0.06" NA
Jul 10 37° 70° 31° (1951) 80° (1973) 0.06" NA
Jul 11 37° 70° 27° (1951) 82° (2002) 0.06" NA
Jul 12 37° 70° 26° (1950) 83° (2002) 0.05" NA
Jul 13 38° 70° 29° (1965) 92° (2003) 0.05" NA
Jul 14 38° 71° 25° (1977) 86° (2002) 0.05" NA
Jul 15 38° 71° 20° (1985) 87° (2002) 0.05" NA
Jul 16 38° 71° 29° (1983) 86° (2002) 0.05" NA
Jul 17 38° 71° 28° (1993) 89° (1955) 0.05" NA
Jul 18 38° 71° 30° (1949) 87° (2003) 0.05" NA
Jul 19 38° 71° 28° (1993) 85° (1960) 0.05" NA
Jul 20 38° 72° 30° (1952) 84° (1960) 0.05" NA
Jul 21 38° 72° 27° (1949) 85° (2003) 0.05" NA
Jul 22 38° 72° 26° (1972) 85° (1988) 0.05" NA
Jul 23 38° 72° 25° (1972) 88° (2003) 0.05" NA
Jul 24 38° 72° 30° (1972) 86° (2003) 0.05" NA
Jul 25 38° 72° 32° (1973) 85° (2003) 0.05" NA
Jul 26 38° 72° 30° (2005) 81° (1989) 0.05" NA
Jul 27 38° 72° 32° (1958) 89° (1956) 0.05" NA
Jul 28 38° 72° 27° (1976) 82° (1975) 0.05" NA
Jul 29 38° 72° 28° (1959) 85° (2006) 0.05" NA
Jul 30 39° 72° 27° (1995) 83° (2006) 0.05" NA
Jul 31 38° 72° 28° (1950) 83° (1966) 0.05" NA
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