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
Oct 1 -3.9° 12.8° -12° (1950) 21° (1987) 0.05" NA
Oct 2 -3.9° 12.2° -11° (1950) 21° (1988) 0.05" NA
Oct 3 -4.4° 12.2° -10° (1999) 22° (1987) 0.04" NA
Oct 4 -4.4° 12.2° -16° (1985) 19° (1963) 0.04" NA
Oct 5 -4.4° 11.7° -11° (1969) 22° (1963) 0.04" NA
Oct 6 -4.4° 11.7° -13° (1974) 20° (1987) 0.04" NA
Oct 7 -4.4° 11.1° -14° (1985) 20° (1996) 0.04" NA
Oct 8 -5° 11.1° -14° (1985) 21° (1953) 0.04" NA
Oct 9 -5° 11.1° -15° (1985) 20° (1996) 0.04" NA
Oct 10 -5° 10.6° -13° (1987) 20° (1996) 0.04" NA
Oct 11 -5° 10.6° -17° (1985) 19° (1996) 0.04" NA
Oct 12 -5.6° 10° -14° (1986) 21° (1953) 0.04" NA
Oct 13 -5.6° 10° -18° (1985) 21° (1996) 0.04" NA
Oct 14 -5.6° 9.4° -16° (1954) 19° (1958) 0.04" NA
Oct 15 -6.1° 9.4° -15° (1984) 19° (1958) 0.04" NA
Oct 16 -6.1° 8.9° -15° (1951) 22° (1955) 0.04" NA
Oct 17 -6.1° 8.9° -16° (1996) 18° (1955) 0.04" NA
Oct 18 -6.1° 8.9° -17° (1976) 18° (1955) 0.04" NA
Oct 19 -6.7° 8.3° -14° (1984) 18° (1974) 0.04" NA
Oct 20 -6.7° 8.3° -16° (1984) 18° (1974) 0.04" NA
Oct 21 -6.7° 7.8° -19° (1984) 17° (2003) 0.04" NA
Oct 22 -7.2° 7.8° -18° (1984) 19° (2003) 0.04" NA
Oct 23 -7.2° 7.2° -18° (1984) 19° (2003) 0.04" NA
Oct 24 -7.2° 6.7° -18° (1975) 14° (1952) 0.04" NA
Oct 25 -7.8° 6.7° -22° (1975) 15° (1952) 0.04" NA
Oct 26 -7.8° 6.1° -17° (1997) 17° (2003) 0.05" NA
Oct 27 -8.3° 6.1° -16° (1984) 17° (1999) 0.05" NA
Oct 28 -8.3° 5.6° -17° (1984) 17° (1952) 0.05" NA
Oct 29 -8.3° 5.6° -21° (1991) 14° (1952) 0.05" NA
Oct 30 -8.9° -25° (1991) 16° (1990) 0.05" NA
Oct 31 -8.9° -23° (1991) 13° (1965) 0.05" NA
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