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
Oct 1 -2° 13° -12° (1950) 22° (2010) 0.04" 0.1"
Oct 2 -3° 12° -11° (1950) 23° (2010) 0.04" 0.2"
Oct 3 -3° 12° -10° (1999) 24° (2010) 0.04" 0.1"
Oct 4 -3° 12° -16° (1985) 23° (2010) 0.05" 0.2"
Oct 5 -3° 12° -11° (1969) 22° (1963) 0.04" 0.1"
Oct 6 -3° 11° -13° (1974) 20° (1987) 0.04" 0.2"
Oct 7 -3° 11° -14° (1985) 20° (1996) 0.04" 0.2"
Oct 8 -3° 11° -14° (1985) 21° (1953) 0.04" 0.2"
Oct 9 -4° 11° -15° (1985) 20° (1996) 0.04" 0.1"
Oct 10 -4° 10° -19° (2009) 20° (1996) 0.04" 0.2"
Oct 11 -4° 10° -17° (1985) 19° (1996) 0.04" 0.2"
Oct 12 -4° 10° -14° (1986) 21° (1953) 0.04" 0.3"
Oct 13 -4° 10° -18° (1985) 21° (1996) 0.04" 0.2"
Oct 14 -4° -16° (1954) 19° (1958) 0.03" 0.3"
Oct 15 -4° -15° (1984) 19° (1958) 0.04" 0.2"
Oct 16 -5° -15° (1951) 22° (1955) 0.04" 0.3"
Oct 17 -5° -16° (1996) 18° (1955) 0.04" 0.4"
Oct 18 -5° -17° (1976) 18° (1955) 0.03" 0.3"
Oct 19 -5° -14° (1984) 18° (1974) 0.04" 0.3"
Oct 20 -5° -16° (1984) 18° (1974) 0.03" 0.4"
Oct 21 -5° -19° (1984) 17° (2003) 0.04" 0.3"
Oct 22 -5° -18° (1984) 19° (2003) 0.03" 0.3"
Oct 23 -6° -18° (1984) 19° (2003) 0.03" 0.4"
Oct 24 -6° -18° (1975) 14° (1952) 0.04" 0.4"
Oct 25 -6° -22° (1975) 16° (2005) 0.03" 0.5"
Oct 26 -6° -17° (1997) 17° (2003) 0.04" 0.5"
Oct 27 -6° -16° (1984) 17° (1999) 0.03" 0.6"
Oct 28 -6° -17° (1984) 17° (1952) 0.04" 0.5"
Oct 29 -7° -21° (1991) 16° (2008) 0.04" 0.6"
Oct 30 -7° -25° (1991) 16° (1990) 0.04" 0.6"
Oct 31 -7° -23° (1991) 13° (1965) 0.04" 0.7"
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