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
Aug 1 38° 72° 25° (1975) 87° (2000) 0.05" NA
Aug 2 38° 72° 27° (1963) 87° (2000) 0.05" NA
Aug 3 38° 72° 28° (1963) 84° (1961) 0.05" NA
Aug 4 38° 72° 25° (1980) 84° (1961) 0.05" NA
Aug 5 38° 72° 29° (1980) 84° (1961) 0.05" NA
Aug 6 38° 72° 28° (1980) 84° (1961) 0.05" NA
Aug 7 38° 72° 28° (1950) 84° (2001) 0.05" NA
Aug 8 38° 72° 25° (1996) 83° (2001) 0.05" NA
Aug 9 38° 72° 24° (1985) 82° (1990) 0.05" NA
Aug 10 38° 72° 24° (1985) 91° (1969) 0.05" NA
Aug 11 38° 72° 27° (1977) 83° (1972) 0.05" NA
Aug 12 38° 72° 26° (1977) 82° (2003) 0.05" NA
Aug 13 37° 72° 27° (1985) 85° (2003) 0.05" NA
Aug 14 37° 71° 21° (1985) 84° (2003) 0.05" NA
Aug 15 37° 71° 24° (1974) 88° (2003) 0.05" NA
Aug 16 37° 71° 26° (1974) 82° (1971) 0.05" NA
Aug 17 37° 71° 23° (1985) 81° (1971) 0.05" NA
Aug 18 37° 71° 26° (1985) 79° (1957) 0.06" NA
Aug 19 36° 70° 26° (1996) 81° (1994) 0.06" NA
Aug 20 36° 70° 28° (1985) 80° (1971) 0.06" NA
Aug 21 36° 70° 27° (1963) 81° (2003) 0.06" NA
Aug 22 36° 70° 22° (1996) 79° (1976) 0.06" NA
Aug 23 36° 69° 22° (1985) 80° (1969) 0.06" NA
Aug 24 35° 69° 25° (1985) 85° (1970) 0.06" NA
Aug 25 35° 69° 21° (1992) 82° (1969) 0.06" NA
Aug 26 35° 68° 18° (1992) 81° (1988) 0.06" NA
Aug 27 34° 68° 17° (1976) 82° (2001) 0.06" NA
Aug 28 34° 68° 22° (1977) 80° (1971) 0.06" NA
Aug 29 34° 67° 21° (1975) 82° (1949) 0.06" NA
Aug 30 33° 67° 24° (1993) 81° (2001) 0.06" NA
Aug 31 33° 66° 22° (1956) 81° (2001) 0.06" NA
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