Proctor, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 20° 33° -30° (1950) 58° (1953) 1.11" NA
February 24° 38° -27° (1936) 66° (1995) 0.88" NA
March 29° 47° -10° (1956) 74° (1986) 1.04" NA
April 35° 57° -1° (1936) 84° (1926) 1.33" NA
May 42° 66° 17° (1954) 91° (1986) 2.32" NA
June 49° 74° 26° (1920) 98° (1919) 2.14" NA
July 54° 81° 37° (1973) 104° (1960) 1.31" NA
August 54° 81° 31° (1910) 101° (1961) 1.32" NA
September 45° 70° 16° (1926) 93° (1931) 1.3" NA
October 37° 57° 1° (1935) 83° (1963) 1.07" NA
November 28° 41° -21° (1959) 71° (1999) 1.15" NA
December 22° 33° -25° (1964) 62° (1956) 1.18" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 38° 62° 17° (1954) 76° (1914) 0.06" NA
May 2 39° 62° 27° (1954) 80° (1930) 0.06" NA
May 3 39° 62° 27° (1927) 78° (1939) 0.06" NA
May 4 39° 63° 24° (1963) 78° (1937) 0.07" NA
May 5 39° 63° 26° (1962) 80° (1944) 0.07" NA
May 6 40° 63° 21° (2001) 83° (1992) 0.07" NA
May 7 40° 64° 26° (1933) 85° (1992) 0.07" NA
May 8 40° 64° 26° (1935) 83° (1992) 0.07" NA
May 9 40° 64° 25° (2002) 85° (1994) 0.07" NA
May 10 41° 64° 24° (1946) 88° (1940) 0.07" NA
May 11 41° 65° 27° (1973) 86° (1940) 0.07" NA
May 12 41° 65° 26° (1953) 84° (1932) 0.07" NA
May 13 41° 65° 26° (1943) 85° (1976) 0.07" NA
May 14 41° 65° 29° (1916) 87° (1936) 0.08" NA
May 15 42° 66° 30° (1916) 83° (1939) 0.08" NA
May 16 42° 66° 30° (1974) 85° (1973) 0.08" NA
May 17 42° 66° 28° (2003) 87° (1973) 0.08" NA
May 18 42° 66° 27° (1965) 87° (1973) 0.08" NA
May 19 43° 67° 30° (1974) 89° (2002) 0.08" NA
May 20 43° 67° 29° (1933) 82° (1958) 0.08" NA
May 21 43° 67° 29° (1953) 85° (1928) 0.08" NA
May 22 43° 67° 24° (1960) 90° (1919) 0.08" NA
May 23 44° 68° 29° (1930) 85° (1910) 0.08" NA
May 24 44° 68° 32° (1960) 87° (2003) 0.08" NA
May 25 44° 68° 29° (1964) 87° (1983) 0.08" NA
May 26 44° 68° 28° (1918) 87° (1958) 0.08" NA
May 27 44° 69° 30° (1918) 86° (1936) 0.08" NA
May 28 45° 69° 30° (1960) 89° (1936) 0.08" NA
May 29 45° 69° 29° (1951) 90° (1986) 0.08" NA
May 30 45° 69° 32° (1952) 90° (1986) 0.08" NA
May 31 45° 69° 30° (1950) 91° (1986) 0.08" NA
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