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
Jul 1 23° -6° (1931) 32° (1924) 0.05" NA
Jul 2 23° -4° (1931) 31° (1936) 0.05" NA
Jul 3 23° -2° (1935) 31° (1937) 0.05" NA
Jul 4 24° -3° (1931) 33° (1937) 0.05" NA
Jul 5 24° -6° (1932) 34° (1942) 0.05" NA
Jul 6 24° -6° (1931) 33° (1942) 0.05" NA
Jul 7 24° -3° (1952) 32° (1943) 0.05" NA
Jul 8 24° -4° (1931) 33° (1930) 0.06" NA
Jul 9 25° -2° (1931) 33° (1939) 0.06" NA
Jul 10 25° -3° (1946) 32° (1930) 0.07" NA
Jul 11 25° -3° (1944) 33° (1939) 0.06" NA
Jul 12 25° -4° (1931) 33° (1940) 0.07" NA
Jul 13 25° -4° (1943) 34° (1939) 0.07" NA
Jul 14 25° -3° (1943) 35° (1939) 0.06" NA
Jul 15 25° -2° (1944) 36° (1935) 0.07" NA
Jul 16 26° -4° (1927) 34° (1955) 0.07" NA
Jul 17 26° -4° (1943) 33° (1936) 0.07" NA
Jul 18 26° -7° (1948) 35° (1936) 0.06" NA
Jul 19 26° -4° (1946) 36° (1936) 0.07" NA
Jul 20 26° -2° (1930) 35° (1960) 0.06" NA
Jul 21 26° -3° (1939) 36° (1936) 0.06" NA
Jul 22 26° -3° (1926) 36° (1936) 0.06" NA
Jul 23 26° -2° (1926) 34° (1959) 0.06" NA
Jul 24 26° -3° (1924) 34° (1933) 0.06" NA
Jul 25 26° -4° (1930) 36° (1933) 0.05" NA
Jul 26 26° -6° (1930) 34° (1939) 0.05" NA
Jul 27 26° -6° (1930) 35° (1935) 0.04" NA
Jul 28 26° -6° (1930) 34° (1934) 0.05" NA
Jul 29 26° -4° (1930) 33° (1933) 0.05" NA
Jul 30 26° -1° (1942) 33° (1966) 0.04" NA
Jul 31 26° -2° (1930) 34° (1929) 0.05" NA
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