West Yellowstone, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -17° -4° -51.1° (1963) 8.3° (1986) 1.96" 29.6"
February -16° -1° -54.4° (1933) 13.3° (1958) 1.77" 28.6"
March -11° -41.7° (1955) 16.1° (1966) 1.82" 22.9"
April -6° -32.2° (1936) 24.4° (1939) 1.51" 12.6"
May -2° 14° -17.8° (1954) 31.1° (1936) 2.19" 3.1"
June 21° -7.8° (1924) 33.9° (1936) 2.21" 0.2"
July 26° -6.7° (1948) 36.1° (1936) 1.84" 0"
August 25° -9.4° (1928) 35.6° (1961) 1.36" 0"
September -1° 19° -22.8° (1926) 32.8° (1950) 1.47" 0.3"
October -6° 11° -28.9° (1971) 28.3° (1934) 1.3" 8.1"
November -12° -38.9° (1929) 17.8° (1962) 2.01" 28"
December -17° -4° -50.6° (1924) 12.2° (1946) 2.3" 36.1"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Oct 1 -3.3° 15° -12° (1950) 26° (1957) 0.04" NA
Oct 2 -3.3° 15° -13° (1995) 25° (1992) 0.04" NA
Oct 3 -3.3° 15° -11° (1929) 24° (1935) 0.04" NA
Oct 4 -3.9° 14.4° -14° (1932) 23° (1933) 0.04" NA
Oct 5 -3.9° 14.4° -11° (1932) 23° (1958) 0.04" NA
Oct 6 -3.9° 13.9° -11° (1941) 24° (1943) 0.04" NA
Oct 7 -3.9° 13.9° -13° (1990) 24° (1933) 0.04" NA
Oct 8 -4.4° 13.3° -15° (1990) 24° (1952) 0.04" NA
Oct 9 -4.4° 13.3° -14° (1985) 24° (1952) 0.04" NA
Oct 10 -4.4° 12.8° -17° (1985) 23° (1991) 0.04" NA
Oct 11 -4.4° 12.8° -14° (1987) 28° (1934) 0.04" NA
Oct 12 -5° 12.2° -14° (1986) 25° (1964) 0.04" NA
Oct 13 -5° 12.2° -18° (1969) 23° (1964) 0.04" NA
Oct 14 -5° 11.7° -15° (1969) 24° (1958) 0.04" NA
Oct 15 -5.6° 11.7° -13° (1924) 22° (1958) 0.04" NA
Oct 16 -5.6° 11.1° -14° (1984) 22° (1927) 0.04" NA
Oct 17 -5.6° 11.1° -20° (1925) 22° (1955) 0.04" NA
Oct 18 -6.1° 10.6° -14° (1938) 21° (1974) 0.04" NA
Oct 19 -6.1° 10.6° -14° (1938) 21° (1927) 0.04" NA
Oct 20 -6.1° 10° -19° (1982) 21° (1927) 0.04" NA
Oct 21 -6.1° 9.4° -19° (1984) 20° (1927) 0.04" NA
Oct 22 -6.7° 9.4° -14° (1935) 19° (1965) 0.04" NA
Oct 23 -6.7° 8.9° -21° (1935) 20° (1965) 0.04" NA
Oct 24 -6.7° 8.3° -18° (1975) 19° (1933) 0.04" NA
Oct 25 -7.2° 8.3° -14° (1942) 18° (1944) 0.04" NA
Oct 26 -7.2° 7.8° -15° (1970) 19° (1944) 0.05" NA
Oct 27 -7.8° 7.2° -18° (1970) 18° (1944) 0.05" NA
Oct 28 -7.8° 6.7° -18° (1971) 19° (1962) 0.05" NA
Oct 29 -7.8° 6.7° -29° (1971) 21° (1962) 0.05" NA
Oct 30 -8.3° 6.1° -27° (1991) 20° (1962) 0.05" NA
Oct 31 -8.3° 5.6° -21° (1927) 16° (1962) 0.05" NA
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