Yellowstone National Park, Wyoming
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -3° 23° -50° (1963) 46° (2005) 1.91" 31.8"
February -1° 28° -50° (1985) 56° (1982) 1.49" 25.3"
March 35° -42° (1965) 61° (2004) 1.73" 27.9"
April 15° 42° -26° (1975) 65° (1987) 1.48" 16.9"
May 25° 51° -2° (1967) 78° (2003) 2.06" 8.1"
June 33° 61° 14° (1951) 83° (1988) 2.08" 0.8"
July 37° 70° 20° (1985) 92° (2003) 1.66" 0"
August 36° 70° 17° (1976) 91° (1969) 1.69" 0"
September 29° 60° -5° (1985) 83° (1956) 1.59" 1.6"
October 21° 48° -13° (1991) 72° (1987) 1.32" 6.6"
November 10° 33° -30° (1955) 63° (1949) 1.71" 24.8"
December 25° -43° (1990) 48° (1981) 1.68" 26.5"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Apr 1 39° -25° (1975) 56° (2004) 0.05" NA
Apr 2 10° 39° -26° (1975) 58° (1990) 0.05" NA
Apr 3 10° 39° -12° (1970) 55° (1990) 0.05" NA
Apr 4 10° 39° -14° (1989) 57° (1960) 0.05" NA
Apr 5 11° 40° -11° (1950) 57° (1960) 0.05" NA
Apr 6 11° 40° -17° (1956) 56° (1960) 0.05" NA
Apr 7 11° 40° -10° (1983) 57° (1960) 0.05" NA
Apr 8 12° 40° -12° (1982) 58° (1986) 0.05" NA
Apr 9 12° 41° -9° (1953) 55° (1960) 0.05" NA
Apr 10 13° 41° -15° (1975) 54° (1949) 0.05" NA
Apr 11 13° 41° -18° (1953) 56° (2003) 0.05" NA
Apr 12 13° 41° -12° (1997) 58° (2003) 0.04" NA
Apr 13 14° 41° -12° (1971) 60° (1988) 0.04" NA
Apr 14 14° 42° -7° (1973) 57° (2000) 0.05" NA
Apr 15 14° 42° -11° (1953) 60° (1988) 0.05" NA
Apr 16 15° 42° -13° (1970) 59° (1988) 0.05" NA
Apr 17 15° 42° -10° (1982) 63° (1988) 0.05" NA
Apr 18 16° 43° -8° (1968) 63° (1988) 0.05" NA
Apr 19 16° 43° -15° (1982) 63° (1962) 0.05" NA
Apr 20 16° 43° -18° (1982) 60° (1994) 0.05" NA
Apr 21 17° 44° -9° (1982) 61° (1989) 0.05" NA
Apr 22 17° 44° -2° (1968) 65° (1986) 0.05" NA
Apr 23 17° 44° -5° (1968) 64° (1986) 0.05" NA
Apr 24 18° 44° -7° (1985) 62° (1952) 0.05" NA
Apr 25 18° 45° -5° (1985) 62° (1952) 0.05" NA
Apr 26 18° 45° -4° (1988) 64° (1987) 0.05" NA
Apr 27 19° 45° -2° (1957) 65° (1952) 0.05" NA
Apr 28 19° 45° -8° (1984) 62° (1952) 0.05" NA
Apr 29 20° 46° -8° (1958) 65° (1987) 0.05" NA
Apr 30 20° 46° -5° (1950) 64° (1987) 0.05" NA
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