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
Jan 1 -18.9° -5° -41° (1979) 7° (1981) 0.06" NA
Jan 2 -18.9° -5.6° -40° (1974) 4° (1981) 0.06" NA
Jan 3 -18.9° -5.6° -38° (1974) 3° (1981) 0.06" NA
Jan 4 -19.4° -5.6° -41° (1972) 4° (2001) 0.06" NA
Jan 5 -19.4° -5.6° -38° (1970) 3° (2001) 0.06" NA
Jan 6 -19.4° -5.6° -41° (1979) 4° (2001) 0.06" NA
Jan 7 -19.4° -5.6° -41° (1979) 4° (1954) 0.06" NA
Jan 8 -19.4° -5.6° -40° (1979) 3° (1961) 0.06" NA
Jan 9 -19.4° -5.6° -42° (1962) 3° (1986) 0.06" NA
Jan 10 -19.4° -5.6° -44° (1962) 3° (2004) 0.06" NA
Jan 11 -19.4° -5.6° -39° (1963) 6° (1953) 0.06" NA
Jan 12 -19.4° -5.6° -46° (1963) 4° (1959) 0.06" NA
Jan 13 -19.4° -5.6° -37.8° (2007) 3° (2002) 0.06" NA
Jan 14 -19.4° -5.6° -33° (1985) 2° (1969) 0.07" NA
Jan 15 -19.4° -5.6° -33° (1992) 5° (2006) 0.07" NA
Jan 16 -19.4° -5.6° -37° (1957) 7° (1974) 0.07" NA
Jan 17 -19.4° -5° -33° (1957) 6° (1974) 0.07" NA
Jan 18 -20° -5° -34° (1957) 2° (1975) 0.07" NA
Jan 19 -20° -5° -43° (1963) 4° (1986) 0.06" NA
Jan 20 -20° -5° -36° (1988) 7° (1986) 0.06" NA
Jan 21 -20° -5° -39° (1962) 8° (2005) 0.06" NA
Jan 22 -20° -5° -43° (1962) 4° (2005) 0.06" NA
Jan 23 -20° -5° -36° (1962) 6° (2005) 0.06" NA
Jan 24 -19.4° -5° -34° (1949) 7° (2005) 0.06" NA
Jan 25 -19.4° -4.4° -35° (1989) 6° (2005) 0.06" NA
Jan 26 -19.4° -4.4° -39° (1957) 4° (1992) 0.06" NA
Jan 27 -19.4° -4.4° -41° (1957) 6° (2005) 0.06" NA
Jan 28 -19.4° -4.4° -40° (1980) 4° (1987) 0.06" NA
Jan 29 -19.4° -4.4° -45° (1951) 6° (1992) 0.06" NA
Jan 30 -19.4° -3.9° -41° (1951) 5° (1962) 0.06" NA
Jan 31 -19.4° -3.9° -44° (1985) 7° (1962) 0.06" NA
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