West Yellowstone, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -17° -5° -51.1° (1963) 8.3° (1986) 2.16" 29.6"
February -17° -1° -54.4° (1933) 13.3° (1958) 1.8" 28.6"
March -11° -41.7° (1955) 16.1° (1966) 1.78" 22.9"
April -6° -32.2° (1936) 24.4° (1939) 1.77" 12.6"
May -2° 15° -17.8° (1954) 31.1° (1936) 2.45" 3.1"
June 20° -7.8° (1924) 33.9° (1936) 2.31" 0.2"
July 25° -6.7° (1948) 36.1° (1936) 1.77" 0"
August 25° -9.4° (1928) 35.6° (1961) 1.16" 0"
September -1° 19° -22.8° (1926) 32.8° (1950) 1.37" 0.3"
October -6° 10° -28.9° (1971) 28.3° (1934) 1.56" 8.1"
November -12° -38.9° (1929) 17.8° (1962) 2.1" 28"
December -18° -6° -50.6° (1924) 12.2° (1946) 2.67" 36.1"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jun 1 17° -7° (1928) 27° (1977) 0.09" NA
Jun 2 17° -7° (1951) 27° (1986) 0.09" NA
Jun 3 18° -7° (1951) 28° (1970) 0.09" NA
Jun 4 18° -6° (1951) 29° (1969) 0.08" NA
Jun 5 18° -5° (1982) 32° (1969) 0.09" NA
Jun 6 18° -8° (1924) 29° (1977) 0.09" NA
Jun 7 18° -8° (1924) 28° (1926) 0.09" NA
Jun 8 18° -7° (1924) 27° (1926) 0.08" NA
Jun 9 19° -5° (1934) 28° (1952) 0.09" NA
Jun 10 19° -4° (1939) 29° (1992) 0.08" NA
Jun 11 19° -4° (1938) 28° (1961) 0.08" NA
Jun 12 19° -5° (1942) 31° (1959) 0.08" NA
Jun 13 19° -4° (1966) 29° (1959) 0.08" NA
Jun 14 19° -7° (1930) 30° (1974) 0.07" NA
Jun 15 20° -6° (1930) 32° (1974) 0.08" NA
Jun 16 20° -7° (1930) 30° (1974) 0.07" NA
Jun 17 20° -3° (1942) 30° (1961) 0.08" NA
Jun 18 20° -6° (1973) 33° (1940) 0.07" NA
Jun 19 20° -4° (1946) 31° (1940) 0.07" NA
Jun 20 21° -5° (1924) 33° (1940) 0.08" NA
Jun 21 21° -4° (1935) 32° (1937) 0.06" NA
Jun 22 21° -4° (1929) 32° (1936) 0.07" NA
Jun 23 21° -4° (1924) 34° (1936) 0.07" NA
Jun 24 22° -4° (1929) 32° (1988) 0.06" NA
Jun 25 22° -4° (1947) 33° (1988) 0.07" NA
Jun 26 22° -4° (1935) 33° (1970) 0.07" NA
Jun 27 22° -4° (1949) 32° (1926) 0.07" NA
Jun 28 22° -5° (1924) 31° (1937) 0.07" NA
Jun 29 23° -6° (1940) 31° (1937) 0.07" NA
Jun 30 23° -5° (1924) 31° (1990) 0.07" NA
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