Brockton, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 21° -50° (1954) 61° (1944) 0.29" NA
February 31° -54° (1936) 70° (1932) 0.19" NA
March 20° 44° -34° (1948) 84° (1910) 0.48" NA
April 31° 60° -12° (1908) 97° (1980) 0.88" NA
May 43° 72° 12° (1945) 105° (1980) 2.18" NA
June 52° 81° 27° (1909) 108° (1910) 2.65" NA
July 56° 87° 30° (1923) 110° (1983) 2.06" NA
August 55° 86° 31° (1950) 110° (1983) 1.04" NA
September 43° 74° 10° (1926) 107° (1983) 1.21" NA
October 32° 61° -7° (1925) 92° (1953) 0.7" NA
November 18° 39° -36° (1896) 79° (1981) 0.33" NA
December 26° -44° (1929) 70° (1895) 0.4" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 38° 66° 20° (1909) 90° (1939) 0.05" NA
May 2 38° 67° 18° (1907) 88° (1982) 0.05" NA
May 3 39° 67° 14° (1954) 91° (1980) 0.05" NA
May 4 39° 68° 17° (1967) 93° (1897) 0.05" NA
May 5 39° 68° 17° (1931) 92° (1911) 0.06" NA
May 6 40° 68° 15° (1929) 89° (1897) 0.06" NA
May 7 40° 69° 17° (1929) 92° (1934) 0.06" NA
May 8 40° 69° 12° (1945) 97° (1934) 0.06" NA
May 9 41° 69° 20° (1909) 95° (1977) 0.06" NA
May 10 41° 70° 16° (1946) 96° (1977) 0.06" NA
May 11 42° 70° 23° (1953) 96° (1900) 0.07" NA
May 12 42° 70° 22° (1953) 97° (1960) 0.07" NA
May 13 42° 71° 22° (1899) 98° (1977) 0.07" NA
May 14 43° 71° 20° (1907) 97° (1903) 0.07" NA
May 15 43° 72° 22° (1899) 94° (1917) 0.07" NA
May 16 43° 72° 25° (1930) 96° (1934) 0.07" NA
May 17 44° 72° 29° (1915) 104° (1901) 0.07" NA
May 18 44° 73° 29° (1907) 99° (1948) 0.07" NA
May 19 44° 73° 22° (1907) 96° (1901) 0.08" NA
May 20 45° 73° 25° (1895) 95° (1964) 0.08" NA
May 21 45° 74° 25° (1903) 103° (1980) 0.08" NA
May 22 45° 74° 27° (1963) 105° (1980) 0.08" NA
May 23 46° 74° 28° (1930) 104° (1980) 0.08" NA
May 24 46° 75° 33° (1907) 96° (1977) 0.08" NA
May 25 46° 75° 30° (1943) 97° (1931) 0.08" NA
May 26 47° 75° 29° (1965) 100° (1934) 0.08" NA
May 27 47° 76° 26° (1932) 97° (1901) 0.08" NA
May 28 47° 76° 19° (1947) 97° (1919) 0.08" NA
May 29 47° 76° 23° (1947) 103° (1934) 0.08" NA
May 30 48° 76° 30° (1895) 102° (1984) 0.09" NA
May 31 48° 77° 28° (1954) 97° (1986) 0.09" NA
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