Yellowstone National Park, Wyoming
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 24° -50° (1963) 46° (2005) 1.65" 34.3"
February 28° -50° (1985) 56° (1982) 1.68" 30.4"
March 36° -42° (1965) 61° (2004) 1.8" 25.6"
April 18° 43° -26° (1975) 65° (1987) 1.78" 21.4"
May 28° 52° -2° (1967) 78° (2003) 2.47" 8.1"
June 35° 62° 14° (1951) 83° (1988) 2.25" 1.3"
July 42° 72° 20° (1985) 92° (2003) 1.62" 0"
August 40° 71° 17° (1976) 91° (1969) 1.6" 0.1"
September 32° 62° -5° (1985) 83° (1956) 1.46" 1.3"
October 24° 48° -13° (1991) 72° (1987) 1.18" 9.9"
November 14° 34° -30° (1955) 63° (1949) 1.85" 30.9"
December 25° -43° (1990) 48° (1981) 1.63" 30.5"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 23° 48° -1° (1995) 65° (1987) 0.07" 0.5"
May 2 24° 48° 1° (1954) 62° (1966) 0.08" 0.5"
May 3 24° 48° 7° (1974) 66° (1998) 0.08" 0.5"
May 4 24° 48° 5° (1991) 68° (1986) 0.08" 0.4"
May 5 25° 49° -2° (1967) 68° (1986) 0.08" 0.5"
May 6 25° 49° 5° (1986) 68° (1987) 0.07" 0.5"
May 7 25° 49° 1° (1984) 70° (1992) 0.08" 0.4"
May 8 26° 50° 2° (1984) 71° (1987) 0.07" 0.4"
May 9 26° 50° 5° (1986) 71° (1987) 0.08" 0.4"
May 10 26° 50° 10° (2002) 67° (2007) 0.08" 0.4"
May 11 27° 51° 10° (1973) 67° (1987) 0.07" 0.4"
May 12 27° 51° 4° (1986) 71° (1993) 0.08" 0.3"
May 13 27° 51° 9° (1970) 73° (2007) 0.08" 0.3"
May 14 28° 51° 6° (1986) 69° (2001) 0.07" 0.3"
May 15 28° 52° 7° (1974) 71° (1987) 0.08" 0.2"
May 16 28° 52° 12° (1974) 73° (1987) 0.08" 0.3"
May 17 29° 52° 9° (1986) 69° (1970) 0.07" 0.2"
May 18 29° 53° 15° (1986) 70° (2006) 0.08" 0.2"
May 19 29° 53° 11° (2003) 72° (1954) 0.08" 0.1"
May 20 29° 53° 12° (1950) 72° (2007) 0.07" 0.2"
May 21 30° 53° 15° (1986) 70° (2002) 0.08" 0.1"
May 22 30° 54° 8° (1974) 70° (1986) 0.08" 0.2"
May 23 30° 54° 4° (1986) 71° (1956) 0.08" 0.1"
May 24 30° 54° 2° (1986) 71° (1969) 0.08" 0.1"
May 25 31° 54° 4° (1986) 75° (2001) 0.09" 0.1"
May 26 31° 55° 7° (1975) 70° (2003) 0.09" 0.1"
May 27 31° 55° 16° (1973) 72° (1986) 0.09" 0"
May 28 31° 55° 18° (1955) 73° (1986) 0.08" 0.1"
May 29 32° 56° 16° (1975) 77° (2003) 0.09" 0.1"
May 30 32° 56° 11° (1982) 78° (2003) 0.09" 0.1"
May 31 32° 56° 17° (1986) 73° (1956) 0.09" 0.1"
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