Glasgow, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -17° -7° -48.9° (1916) 16.7° (1919) 0.35" 6.7"
February -12° -2° -50.6° (1936) 23.3° (1932) 0.26" 4.2"
March -6° -42.8° (1897) 27.2° (1928) 0.47" 4.6"
April 14° -28.3° (1899) 33.9° (1952) 0.75" 2.2"
May 20° -9.4° (1929) 41.1° (1935) 1.72" 0.7"
June 11° 25° -4.4° (1919) 43.3° (1933) 2.2" 0"
July 14° 29° 1.1° (1904) 45° (1900) 1.78" 0"
August 13° 28° -2.2° (1928) 42.2° (1983) 1.25" 0"
September 21° -10° (1928) 39.4° (1983) 0.98" 0.2"
October 14° -22.2° (1905) 35.6° (1943) 0.71" 1"
November -7° -40.6° (1896) 28.9° (1903) 0.39" 4.5"
December -14° -4° -43.9° (1929) 20.6° (1939) 0.37" 6.7"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 -11.1° -1.1° -40° (1897) 17° (1925) 0.01" NA
Dec 2 -11.7° -1.7° -37° (1897) 15° (1939) 0.01" NA
Dec 3 -11.7° -1.7° -34° (1972) 21° (1939) 0.01" NA
Dec 4 -12.2° -1.7° -38° (1928) 14° (1979) 0.01" NA
Dec 5 -12.2° -2.2° -34° (1972) 14° (1939) 0.01" NA
Dec 6 -12.2° -2.2° -36° (1936) 12° (1991) 0.01" NA
Dec 7 -12.8° -2.8° -38° (1927) 15° (1939) 0.01" NA
Dec 8 -12.8° -2.8° -43° (1927) 21° (1939) 0.01" NA
Dec 9 -13.3° -2.8° -39° (1977) 13° (1953) 0.01" NA
Dec 10 -13.3° -2.8° -38° (1927) 14° (1987) 0.01" NA
Dec 11 -13.3° -3.3° -36° (1927) 17° (2004) 0.01" NA
Dec 12 -13.9° -3.3° -41° (1922) 14° (1924) 0.01" NA
Dec 13 -13.9° -3.3° -42° (1922) 11° (2002) 0.01" NA
Dec 14 -13.9° -3.9° -38° (1922) 13° (1979) 0.01" NA
Dec 15 -14.4° -3.9° -39° (1927) 14° (1980) 0.01" NA
Dec 16 -14.4° -3.9° -34° (1914) 17° (1939) 0.01" NA
Dec 17 -14.4° -4.4° -42° (1922) 13° (1939) 0.01" NA
Dec 18 -14.4° -4.4° -44° (1929) 15° (1979) 0.01" NA
Dec 19 -15° -4.4° -44° (1924) 14° (1941) 0.01" NA
Dec 20 -15° -5° -39° (1929) 12° (1954) 0.01" NA
Dec 21 -15° -5° -39° (1924) 14° (1954) 0.01" NA
Dec 22 -15.6° -5° -39° (1916) 15° (1954) 0.01" NA
Dec 23 -15.6° -5° -38° (1983) 11° (1963) 0.01" NA
Dec 24 -15.6° -5.6° -38° (1983) 11° (1940) 0.01" NA
Dec 25 -15.6° -5.6° -38° (1996) 11° (1947) 0.01" NA
Dec 26 -16.1° -5.6° -36° (1933) 14° (1947) 0.02" NA
Dec 27 -16.1° -5.6° -41° (1925) 12° (1980) 0.02" NA
Dec 28 -16.1° -6.1° -35° (1968) 13° (1999) 0.02" NA
Dec 29 -16.1° -6.1° -37° (1968) 12° (1956) 0.02" NA
Dec 30 -16.7° -6.1° -37° (1916) 9° (1929) 0.02" NA
Dec 31 -16.7° -6.7° -38° (1918) 13° (1963) 0.02" NA
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