West Yellowstone, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 23° -60° (1963) 47° (1986) 2.16" 29.6"
February 29° -66° (1933) 56° (1958) 1.8" 28.6"
March 12° 38° -43° (1955) 61° (1966) 1.78" 22.9"
April 21° 47° -26° (1936) 76° (1939) 1.77" 12.6"
May 29° 59° 0° (1954) 88° (1936) 2.45" 3.1"
June 36° 68° 18° (1924) 93° (1936) 2.31" 0.2"
July 40° 77° 20° (1948) 97° (1936) 1.77" 0"
August 37° 77° 15° (1928) 96° (1961) 1.16" 0"
September 30° 66° -9° (1926) 91° (1950) 1.37" 0.3"
October 21° 50° -20° (1971) 83° (1934) 1.56" 8.1"
November 10° 32° -38° (1929) 64° (1962) 2.1" 28"
December -1° 22° -59° (1924) 54° (1946) 2.67" 36.1"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 24° -28° (1991) 43° (1995) 0.11" NA
Dec 2 24° -27° (1931) 44° (1926) 0.12" NA
Dec 3 23° -31° (1984) 54° (1946) 0.12" NA
Dec 4 23° -36° (1992) 43° (1975) 0.11" NA
Dec 5 23° -46° (1972) 50° (1939) 0.12" NA
Dec 6 -1° 23° -33° (1960) 46° (1939) 0.11" NA
Dec 7 -1° 23° -39° (1927) 46° (1939) 0.11" NA
Dec 8 -1° 22° -42° (1978) 45° (1939) 0.11" NA
Dec 9 -1° 22° -40° (1972) 43° (1939) 0.1" NA
Dec 10 -2° 22° -48° (1972) 50° (1939) 0.1" NA
Dec 11 -2° 22° -45° (1932) 42° (1939) 0.09" NA
Dec 12 -2° 22° -36° (1938) 40° (1937) 0.1" NA
Dec 13 -2° 22° -37° (1940) 40° (1933) 0.09" NA
Dec 14 -2° 22° -49° (1926) 42° (1929) 0.09" NA
Dec 15 -2° 22° -48° (1955) 42° (1962) 0.09" NA
Dec 16 -2° 22° -39° (1964) 43° (1939) 0.09" NA
Dec 17 -2° 21° -52° (1964) 41° (1936) 0.09" NA
Dec 18 -2° 21° -50° (1924) 45° (1939) 0.07" NA
Dec 19 -2° 21° -59° (1924) 43° (1941) 0.07" NA
Dec 20 -2° 21° -57° (1924) 47° (1941) 0.07" NA
Dec 21 -2° 21° -46° (1990) 40° (1943) 0.07" NA
Dec 22 -1° 21° -43° (1983) 39° (1933) 0.06" NA
Dec 23 -1° 22° -45° (1983) 41° (1955) 0.07" NA
Dec 24 -1° 22° -48° (1983) 39° (1959) 0.06" NA
Dec 25 -1° 22° -49° (1924) 37° (1959) 0.06" NA
Dec 26 -1° 22° -35° (1924) 49° (1925) 0.07" NA
Dec 27 22° -32° (1954) 44° (1980) 0.06" NA
Dec 28 22° -36° (1954) 40° (1980) 0.07" NA
Dec 29 22° -46° (1978) 39° (1933) 0.06" NA
Dec 30 22° -50° (1978) 39° (1980) 0.07" NA
Dec 31 22° -49° (1978) 40° (1980) 0.06" NA
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