Heron, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 20° 32° -39° (1927) 61° (1913) 4.27" 28.7"
February 23° 37° -32° (1936) 59° (1995) 3.38" 16.6"
March 27° 46° -22° (1955) 73° (1915) 2.68" 7.7"
April 32° 57° -10° (1936) 88° (1977) 2.22" 1.3"
May 38° 66° 19° (1954) 96° (1936) 2.81" 0.2"
June 44° 73° 25° (1951) 99° (1924) 2.62" 0"
July 47° 81° 29° (1924) 105° (1939) 1.46" 0"
August 46° 80° 21° (1969) 106° (1961) 1.35" 0"
September 40° 70° 9° (1926) 97° (1944) 1.72" 0"
October 33° 55° 4° (1935) 87° (1943) 2.24" 0.4"
November 28° 39° -16° (1955) 69° (1923) 4.55" 9"
December 21° 32° -35° (1968) 66° (1912) 4.46" 22.9"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 47° 82° 31° (1920) 103° (1922) 0.04" NA
Aug 2 47° 82° 29° (1926) 98° (1951) 0.04" NA
Aug 3 47° 82° 33° (1926) 100° (1939) 0.04" NA
Aug 4 47° 82° 32° (1924) 106° (1961) 0.04" NA
Aug 5 47° 82° 31° (1924) 96° (1961) 0.04" NA
Aug 6 47° 82° 28° (1924) 99° (1945) 0.04" NA
Aug 7 47° 82° 30° (1924) 98° (1930) 0.04" NA
Aug 8 47° 82° 29° (1938) 102° (1930) 0.04" NA
Aug 9 47° 82° 31° (1938) 101° (1922) 0.04" NA
Aug 10 47° 82° 33° (1914) 98° (1928) 0.04" NA
Aug 11 46° 82° 33° (1940) 98° (1958) 0.04" NA
Aug 12 46° 82° 34° (1926) 99° (1924) 0.04" NA
Aug 13 46° 81° 26° (1969) 99° (1921) 0.04" NA
Aug 14 46° 81° 28° (1940) 99° (1920) 0.04" NA
Aug 15 46° 81° 32° (1935) 100° (1920) 0.04" NA
Aug 16 46° 81° 28° (1935) 100° (1932) 0.04" NA
Aug 17 46° 81° 28° (1946) 100° (1932) 0.04" NA
Aug 18 46° 80° 29° (1973) 100° (1967) 0.04" NA
Aug 19 46° 80° 29° (1973) 98° (1967) 0.04" NA
Aug 20 45° 80° 29° (1944) 97° (1925) 0.04" NA
Aug 21 45° 80° 30° (1944) 97° (1946) 0.05" NA
Aug 22 45° 79° 28° (1945) 100° (1946) 0.05" NA
Aug 23 45° 79° 30° (1943) 96° (1961) 0.05" NA
Aug 24 45° 79° 30° (1992) 97° (1945) 0.05" NA
Aug 25 45° 79° 29° (1921) 98° (1958) 0.05" NA
Aug 26 44° 78° 28° (1969) 99° (1922) 0.05" NA
Aug 27 44° 78° 26° (1942) 100° (1922) 0.05" NA
Aug 28 44° 78° 21° (1969) 96° (1929) 0.05" NA
Aug 29 44° 77° 24° (1969) 100° (1929) 0.05" NA
Aug 30 44° 77° 23° (1924) 100° (1929) 0.05" NA
Aug 31 43° 76° 21° (1969) 97° (1967) 0.05" NA
Advertisements