Roundup, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 12° 36° -41° (1969) 70° (1953) 0.43" NA
February 17° 43° -52° (1936) 75° (1932) 0.36" NA
March 24° 51° -33° (1932) 82° (2004) 0.64" NA
April 32° 60° -9° (1936) 91° (1980) 1.28" NA
May 42° 70° 10° (1954) 100° (1934) 2.35" NA
June 50° 79° 31° (1979) 106° (2002) 2.15" NA
July 55° 87° 36° (1955) 111° (2002) 1.65" NA
August 53° 86° 30° (1992) 108° (1961) 1.29" NA
September 43° 75° 15° (1985) 102° (1983) 1.27" NA
October 34° 63° -10° (1919) 95° (1943) 1.03" NA
November 22° 46° -36° (1959) 78° (1933) 0.34" NA
December 15° 38° -44° (1983) 70° (1980) 0.46" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Nov 1 28° 53° -1° (2002) 75° (1981) 0.02" NA
Nov 2 27° 53° -2° (1935) 76° (1981) 0.02" NA
Nov 3 27° 52° -2° (1991) 75° (1949) 0.02" NA
Nov 4 26° 51° 5° (1935) 77° (1976) 0.02" NA
Nov 5 26° 51° -6° (1959) 76° (1975) 0.01" NA
Nov 6 26° 50° -3° (2003) 74° (1949) 0.01" NA
Nov 7 25° 50° -5° (1918) 75° (1999) 0.01" NA
Nov 8 25° 49° 3° (2000) 73° (1999) 0.01" NA
Nov 9 25° 48° -11° (1945) 68° (1937) 0.01" NA
Nov 10 24° 48° -18° (1986) 71° (1956) 0.01" NA
Nov 11 24° 47° -8° (1919) 73° (1934) 0.01" NA
Nov 12 23° 47° -20° (1916) 77° (1999) 0.01" NA
Nov 13 23° 46° -25° (1959) 73° (1933) 0.01" NA
Nov 14 23° 46° -6° (1920) 72° (1999) 0.01" NA
Nov 15 22° 45° -24° (1955) 71° (1942) 0.01" NA
Nov 16 22° 45° -36° (1959) 71° (1943) 0.01" NA
Nov 17 22° 44° -16° (1955) 69° (1943) 0.01" NA
Nov 18 21° 44° -7° (1978) 69° (1995) 0.01" NA
Nov 19 21° 43° -24° (1921) 72° (1917) 0.01" NA
Nov 20 21° 43° -22° (1921) 70° (1932) 0.01" NA
Nov 21 20° 43° -20° (1977) 67° (1949) 0.01" NA
Nov 22 20° 42° -12° (1985) 73° (1917) 0.01" NA
Nov 23 20° 42° -22° (1985) 78° (1933) 0.01" NA
Nov 24 20° 42° -18° (1993) 71° (1942) 0.01" NA
Nov 25 19° 41° -13° (1993) 72° (1960) 0.01" NA
Nov 26 19° 41° -15° (1985) 68° (1914) 0.01" NA
Nov 27 19° 41° -22° (1955) 68° (1949) 0.01" NA
Nov 28 18° 41° -23° (1985) 65° (2002) 0.01" NA
Nov 29 18° 40° -21° (2006) 67° (1956) 0.01" NA
Nov 30 18° 40° -10° (1975) 67° (1956) 0.01" NA
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