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
Aug 1 26.1° -2° (1932) 33° (1961) 0.05" NA
Aug 2 26.1° -3° (1937) 34° (1961) 0.05" NA
Aug 3 26.1° -4° (1938) 34° (1961) 0.05" NA
Aug 4 26.1° -3° (1937) 36° (1961) 0.05" NA
Aug 5 26.1° -3° (1932) 34° (1961) 0.05" NA
Aug 6 4.4° 26.1° -3° (1944) 33° (1963) 0.05" NA
Aug 7 4.4° 26.1° -3° (1924) 33° (1983) 0.05" NA
Aug 8 4.4° 26.1° -4° (1939) 32° (1936) 0.04" NA
Aug 9 4.4° 26.1° -4° (1931) 34° (1940) 0.04" NA
Aug 10 4.4° 25.6° -6° (1939) 34° (1969) 0.04" NA
Aug 11 4.4° 25.6° -3° (1929) 34° (1935) 0.04" NA
Aug 12 4.4° 25.6° -3° (1932) 35° (1940) 0.04" NA
Aug 13 3.9° 25.6° -4° (1928) 36° (1940) 0.04" NA
Aug 14 3.9° 25.6° -7° (1928) 34° (1933) 0.04" NA
Aug 15 3.9° 25.6° -6° (1928) 31° (1933) 0.04" NA
Aug 16 3.9° 25° -8° (1928) 32° (1939) 0.04" NA
Aug 17 3.9° 25° -9° (1928) 32° (1931) 0.04" NA
Aug 18 3.3° 25° -4° (1946) 33° (1940) 0.04" NA
Aug 19 3.3° 24.4° -4° (1995) 33° (1942) 0.04" NA
Aug 20 3.3° 24.4° -4° (1928) 33° (1946) 0.04" NA
Aug 21 3.3° 24.4° -4° (1928) 32° (1935) 0.04" NA
Aug 22 2.8° 24.4° -4° (1924) 32° (1969) 0.04" NA
Aug 23 2.8° 23.9° -4° (1928) 33° (1969) 0.04" NA
Aug 24 2.8° 23.9° -6° (1947) 33° (1969) 0.04" NA
Aug 25 2.8° 23.9° -8° (1925) 32° (1981) 0.04" NA
Aug 26 2.2° 23.3° -9° (1992) 33° (1981) 0.04" NA
Aug 27 2.2° 23.3° -5° (1931) 31° (1971) 0.05" NA
Aug 28 2.2° 22.8° -7° (1931) 32° (1934) 0.05" NA
Aug 29 1.7° 22.8° -6° (1928) 29° (1948) 0.05" NA
Aug 30 1.7° 22.8° -7° (1928) 32° (1954) 0.05" NA
Aug 31 1.7° 22.2° -8° (1956) 32° (1940) 0.05" NA
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