Yellowstone National Park, Wyoming
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -19° -5° -45.6° (1963) 7.8° (2005) 1.91" 31.8"
February -18° -2° -45.6° (1985) 13.3° (1982) 1.49" 25.3"
March -16° -41.1° (1965) 16.1° (2004) 1.73" 27.9"
April -9° -32.2° (1975) 18.3° (1987) 1.48" 16.9"
May -4° 11° -18.9° (1967) 25.6° (2003) 2.06" 8.1"
June 16° -10° (1951) 28.3° (1988) 2.08" 0.8"
July 21° -6.7° (1985) 33.3° (2003) 1.66" 0"
August 21° -8.3° (1976) 32.8° (1969) 1.69" 0"
September -2° 16° -20.6° (1985) 28.3° (1956) 1.59" 1.6"
October -6° -25° (1991) 22.2° (1987) 1.32" 6.6"
November -12° -34.4° (1955) 17.2° (1949) 1.71" 24.8"
December -17° -4° -41.7° (1990) 8.9° (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 2.2° 19.4° -4° (1971) 28° (1990) 0.06" NA
Jul 2 2.2° 19.4° -5° (1973) 26° (1949) 0.06" NA
Jul 3 2.2° 19.4° -3° (1958) 31° (1977) 0.06" NA
Jul 4 2.2° 20° -6° (1972) 27° (1989) 0.06" NA
Jul 5 2.2° 20° -4° (1986) 28° (1989) 0.06" NA
Jul 6 2.8° 20° -3° (1986) 28.9° (2007) 0.06" NA
Jul 7 2.8° 20.6° -6° (1977) 28° (2001) 0.06" NA
Jul 8 2.8° 20.6° -4° (1981) 27° (2002) 0.06" NA
Jul 9 2.8° 20.6° -2° (1959) 27° (1973) 0.06" NA
Jul 10 2.8° 21.1° -1° (1951) 27° (1973) 0.06" NA
Jul 11 2.8° 21.1° -3° (1951) 28° (2002) 0.06" NA
Jul 12 2.8° 21.1° -3° (1950) 28° (2002) 0.05" NA
Jul 13 3.3° 21.1° -2° (1965) 33° (2003) 0.05" NA
Jul 14 3.3° 21.7° -4° (1977) 30° (2002) 0.05" NA
Jul 15 3.3° 21.7° -7° (1985) 31° (2002) 0.05" NA
Jul 16 3.3° 21.7° -2° (1983) 30° (2002) 0.05" NA
Jul 17 3.3° 21.7° -2° (1993) 32° (1955) 0.05" NA
Jul 18 3.3° 21.7° -1° (1949) 31° (2003) 0.05" NA
Jul 19 3.3° 21.7° -2° (1993) 29° (1960) 0.05" NA
Jul 20 3.3° 22.2° -1° (1952) 29° (1960) 0.05" NA
Jul 21 3.3° 22.2° -3° (1949) 29° (2003) 0.05" NA
Jul 22 3.3° 22.2° -3° (1972) 29° (1988) 0.05" NA
Jul 23 3.3° 22.2° -4° (1972) 31° (2003) 0.05" NA
Jul 24 3.3° 22.2° -1° (1972) 30° (2003) 0.05" NA
Jul 25 3.3° 22.2° 0° (1973) 29° (2003) 0.05" NA
Jul 26 3.3° 22.2° -1° (2005) 27° (1989) 0.05" NA
Jul 27 3.3° 22.2° 0° (1958) 32° (1956) 0.05" NA
Jul 28 3.3° 22.2° -3° (1976) 28° (1975) 0.05" NA
Jul 29 3.3° 22.2° -2° (1959) 29.4° (2006) 0.05" NA
Jul 30 3.9° 22.2° -3° (1995) 28.3° (2006) 0.05" NA
Jul 31 3.3° 22.2° -2° (1950) 28° (1966) 0.05" NA
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