West Yellowstone, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 24° -60° (1963) 47° (1986) 1.96" 29.6"
February 30° -66° (1933) 56° (1958) 1.77" 28.6"
March 12° 38° -43° (1955) 61° (1966) 1.82" 22.9"
April 21° 47° -26° (1936) 76° (1939) 1.51" 12.6"
May 29° 58° 0° (1954) 88° (1936) 2.19" 3.1"
June 36° 69° 18° (1924) 93° (1936) 2.21" 0.2"
July 41° 78° 20° (1948) 97° (1936) 1.84" 0"
August 38° 77° 15° (1928) 96° (1961) 1.36" 0"
September 30° 66° -9° (1926) 91° (1950) 1.47" 0.3"
October 22° 52° -20° (1971) 83° (1934) 1.3" 8.1"
November 11° 33° -38° (1929) 64° (1962) 2.01" 28"
December 24° -59° (1924) 54° (1946) 2.3" 36.1"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 34° 72° 18° (1930) 89° (1950) 0.05" NA
Sep 2 34° 71° 20° (1924) 90° (1950) 0.05" NA
Sep 3 34° 71° 20° (1924) 91° (1950) 0.05" NA
Sep 4 33° 70° 14° (1929) 91° (1950) 0.05" NA
Sep 5 33° 70° 23° (1994) 89° (1950) 0.05" NA
Sep 6 33° 69° 19° (1943) 85° (1950) 0.05" NA
Sep 7 33° 69° 9° (1929) 85° (1950) 0.05" NA
Sep 8 32° 69° 8° (1929) 85° (1981) 0.05" NA
Sep 9 32° 68° 13° (1929) 82° (1966) 0.05" NA
Sep 10 32° 68° 20° (1946) 83° (1959) 0.05" NA
Sep 11 31° 67° 15° (1929) 84° (1943) 0.05" NA
Sep 12 31° 67° 13° (1989) 85° (1953) 0.05" NA
Sep 13 31° 66° 16° (1989) 84° (1943) 0.05" NA
Sep 14 30° 66° 16° (1961) 86° (1990) 0.05" NA
Sep 15 30° 66° 12° (1936) 84° (1990) 0.05" NA
Sep 16 30° 65° 10° (1936) 82° (1981) 0.05" NA
Sep 17 30° 65° 14° (1965) 84° (1981) 0.05" NA
Sep 18 29° 64° 11° (1965) 84° (1981) 0.05" NA
Sep 19 29° 64° 11° (1978) 85° (1956) 0.05" NA
Sep 20 29° 64° -3° (1983) 83° (1939) 0.05" NA
Sep 21 28° 63° 14° (1928) 82° (1936) 0.05" NA
Sep 22 28° 63° 14° (1932) 84° (1987) 0.05" NA
Sep 23 28° 62° 12° (1993) 84° (1987) 0.05" NA
Sep 24 28° 62° -9° (1926) 83° (1987) 0.05" NA
Sep 25 27° 62° -5° (1926) 80° (1952) 0.05" NA
Sep 26 27° 61° 8° (1926) 81° (1952) 0.05" NA
Sep 27 27° 61° 10° (1926) 80° (1938) 0.05" NA
Sep 28 27° 60° 11° (1984) 81° (1938) 0.04" NA
Sep 29 27° 60° 3° (1985) 80° (1957) 0.04" NA
Sep 30 26° 60° 4° (1985) 78° (1963) 0.04" NA
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