Yellowstone National Park, Wyoming
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -17° -4° -45.6° (1963) 7.8° (2005) 1.65" 34.3"
February -17° -2° -45.6° (1985) 13.3° (1982) 1.68" 30.4"
March -13° -41.1° (1965) 16.1° (2004) 1.8" 25.6"
April -8° -32.2° (1975) 18.3° (1987) 1.78" 21.4"
May -2° 11° -18.9° (1967) 25.6° (2003) 2.47" 8.1"
June 16° -10° (1951) 28.3° (1988) 2.25" 1.3"
July 22° -6.7° (1985) 33.3° (2003) 1.62" 0"
August 22° -8.3° (1976) 32.8° (1969) 1.6" 0.1"
September 16° -20.6° (1985) 28.3° (1956) 1.46" 1.3"
October -5° -25° (1991) 22.2° (1987) 1.18" 9.9"
November -10° -34.4° (1955) 17.2° (1949) 1.85" 30.9"
December -15° -4° -41.7° (1990) 8.9° (1981) 1.63" 30.5"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jul 1 20° -4° (1971) 28° (1990) 0.05" 0"
Jul 2 20° -5° (1973) 26° (1949) 0.04" 0"
Jul 3 20° -3° (1958) 31° (1977) 0.05" 0"
Jul 4 20° -6° (1972) 27° (1989) 0.05" 0"
Jul 5 21° -4° (1986) 28° (1989) 0.04" 0"
Jul 6 21° -3° (1986) 28.9° (2007) 0.05" 0"
Jul 7 21° -6° (1977) 28° (2001) 0.05" 0"
Jul 8 21° -4° (1981) 27° (2002) 0.05" 0"
Jul 9 21° -2° (1959) 27° (1973) 0.05" 0"
Jul 10 22° -1° (1951) 27° (1973) 0.05" 0"
Jul 11 22° -3° (1951) 28° (2002) 0.04" 0"
Jul 12 22° -3° (1950) 28° (2002) 0.05" 0"
Jul 13 22° -2° (1965) 33° (2003) 0.05" 0"
Jul 14 22° -4° (1977) 30° (2002) 0.05" 0"
Jul 15 22° -7° (1985) 31° (2002) 0.05" 0"
Jul 16 22° -2° (1983) 30° (2002) 0.06" 0"
Jul 17 22° -2° (1993) 32° (1955) 0.05" 0"
Jul 18 23° -1° (1949) 31° (2003) 0.05" 0"
Jul 19 23° -2° (1993) 29° (1960) 0.06" 0"
Jul 20 23° -9° (2010) 29° (1960) 0.05" 0"
Jul 21 23° -3° (1949) 29° (2003) 0.06" 0"
Jul 22 23° -3° (1972) 29° (1988) 0.06" 0"
Jul 23 23° -4° (1972) 31° (2003) 0.06" 0"
Jul 24 23° -1° (1972) 30° (2003) 0.06" 0"
Jul 25 23° 0° (1973) 29° (2003) 0.06" 0"
Jul 26 23° -1° (2005) 27° (1989) 0.05" 0"
Jul 27 23° 0° (1958) 32° (1956) 0.06" 0"
Jul 28 23° -3° (1976) 28° (1975) 0.05" 0"
Jul 29 23° -2° (1959) 29.4° (2006) 0.06" 0"
Jul 30 23° -3° (1995) 28.3° (2006) 0.05" 0"
Jul 31 23° -2° (1950) 28° (1966) 0.06" 0"
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