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
Apr 1 -12.8° 3.9° -32° (1975) 13° (2004) 0.05" NA
Apr 2 -12.2° 3.9° -32° (1975) 14° (1990) 0.05" NA
Apr 3 -12.2° 3.9° -24° (1970) 13° (1990) 0.05" NA
Apr 4 -12.2° 3.9° -26° (1989) 14° (1960) 0.05" NA
Apr 5 -11.7° 4.4° -24° (1950) 14° (1960) 0.05" NA
Apr 6 -11.7° 4.4° -27° (1956) 13° (1960) 0.05" NA
Apr 7 -11.7° 4.4° -23° (1983) 14° (1960) 0.05" NA
Apr 8 -11.1° 4.4° -24° (1982) 14° (1986) 0.05" NA
Apr 9 -11.1° -23° (1953) 13° (1960) 0.05" NA
Apr 10 -10.6° -26° (1975) 12° (1949) 0.05" NA
Apr 11 -10.6° -28° (1953) 13° (2003) 0.05" NA
Apr 12 -10.6° -24° (1997) 14° (2003) 0.04" NA
Apr 13 -10° -24° (1971) 16° (1988) 0.04" NA
Apr 14 -10° 5.6° -22° (1973) 14° (2000) 0.05" NA
Apr 15 -10° 5.6° -24° (1953) 16° (1988) 0.05" NA
Apr 16 -9.4° 5.6° -25° (1970) 15° (1988) 0.05" NA
Apr 17 -9.4° 5.6° -23° (1982) 17° (1988) 0.05" NA
Apr 18 -8.9° 6.1° -22° (1968) 17° (1988) 0.05" NA
Apr 19 -8.9° 6.1° -26° (1982) 17° (1962) 0.05" NA
Apr 20 -8.9° 6.1° -28° (1982) 16° (1994) 0.05" NA
Apr 21 -8.3° 6.7° -23° (1982) 16° (1989) 0.05" NA
Apr 22 -8.3° 6.7° -19° (1968) 18° (1986) 0.05" NA
Apr 23 -8.3° 6.7° -21° (1968) 18° (1986) 0.05" NA
Apr 24 -7.8° 6.7° -22° (1985) 17° (1952) 0.05" NA
Apr 25 -7.8° 7.2° -21° (1985) 17° (1952) 0.05" NA
Apr 26 -7.8° 7.2° -20° (1988) 18° (1987) 0.05" NA
Apr 27 -7.2° 7.2° -19° (1957) 18° (1952) 0.05" NA
Apr 28 -7.2° 7.2° -22° (1984) 17° (1952) 0.05" NA
Apr 29 -6.7° 7.8° -22° (1958) 18° (1987) 0.05" NA
Apr 30 -6.7° 7.8° -21° (1950) 18° (1987) 0.05" NA
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