Glasgow, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -16° -5° -48.9° (1916) 16.7° (1919) 0.37" 8"
February -13° -2° -50.6° (1936) 23.3° (1932) 0.27" 4.4"
March -6° -42.8° (1897) 27.2° (1928) 0.42" 4.7"
April 14° -28.3° (1899) 33.9° (1952) 0.85" 1.9"
May 20° -9.4° (1929) 41.1° (1935) 1.92" 1.2"
June 11° 25° -4.4° (1919) 43.3° (1933) 2.33" 0"
July 14° 30° 1.1° (1904) 45° (1900) 1.78" 0"
August 13° 29° -2.2° (1928) 42.2° (1983) 1.24" 0"
September 22° -10° (1928) 39.4° (1983) 0.94" 0.2"
October 14° -22.2° (1905) 35.6° (1943) 0.75" 1.3"
November -7° -40.6° (1896) 28.9° (1903) 0.4" 5.1"
December -14° -3° -43.9° (1929) 20.6° (1939) 0.4" 8"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 18° -18° (1913) 32° (1901) 0.04" 0.1"
May 2 18° -18° (1954) 32° (1901) 0.05" 0"
May 3 18° -18° (1954) 31° (1918) 0.04" 0.1"
May 4 18° -18° (2002) 33° (1918) 0.05" 0"
May 5 18° -18° (1913) 41° (1935) 0.04" 0.1"
May 6 18° -18° (1929) 34° (1992) 0.05" 0"
May 7 19° -18° (1929) 34° (1992) 0.05" 0.1"
May 8 19° -18° (1945) 32° (1934) 0.05" 0"
May 9 19° -18° (2002) 32° (1900) 0.06" 0.1"
May 10 19° -18° (1946) 35° (1900) 0.05" 0"
May 11 19° -18° (1916) 36° (1900) 0.05" 0.1"
May 12 19° -18° (1953) 36° (1941) 0.06" 0"
May 13 19° -18° (1904) 37° (1903) 0.06" 0.1"
May 14 20° -18° (1935) 36° (1931) 0.06" 0"
May 15 20° -18° (1923) 34° (1931) 0.06" 0.1"
May 16 20° -18° (1923) 36° (1901) 0.06" 0"
May 17 20° -18° (1918) 33° (1948) 0.06" 0.1"
May 18 20° -18° (1895) 39° (1948) 0.06" 0"
May 19 20° -18° (1968) 34° (1992) 0.07" 0.1"
May 20 21° -18° (1931) 37° (1919) 0.06" 0"
May 21 21° -18° (2001) 36° (1980) 0.07" 0"
May 22 21° -18° (1903) 37° (1980) 0.07" 0.1"
May 23 21° -18° (1903) 37° (1980) 0.07" 0"
May 24 21° -18° (1903) 35° (1929) 0.07" 0"
May 25 21° -18° (1903) 35° (1931) 0.08" 0.1"
May 26 21° -18° (1904) 37° (1934) 0.07" 0"
May 27 22° -18° (1947) 36° (1934) 0.08" 0"
May 28 22° -18° (1947) 36° (1934) 0.08" 0"
May 29 22° -18° (1947) 39° (1988) 0.08" 0"
May 30 22° -18° (1913) 36° (1984) 0.08" 0"
May 31 22° -18° (1954) 34° (1936) 0.09" 0"
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