Hays, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 31° -41° (1969) 65° (1968) 0.74" NA
February 12° 36° -32° (1989) 67° (1988) 0.5" NA
March 20° 44° -33° (1960) 72° (1966) 1.16" NA
April 30° 56° -9° (1967) 88° (1980) 1.6" NA
May 39° 66° 11° (1967) 90° (1972) 2.72" NA
June 46° 75° 28° (1983) 99° (1988) 2.6" NA
July 50° 81° 34° (1982) 100° (1963) 1.69" NA
August 49° 80° 32° (1988) 107° (1961) 1.14" NA
September 40° 70° 16° (1957) 95° (1988) 1.42" NA
October 31° 59° -14° (1984) 86° (1987) 0.93" NA
November 18° 42° -31° (1985) 78° (1975) 0.86" NA
December 10° 34° -38° (1972) 65° (1980) 0.76" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 51° 82° 42° (1986) 96° (1959) 0.04" NA
Aug 2 51° 82° 37° (1978) 99° (1961) 0.04" NA
Aug 3 51° 82° 32° (1978) 100° (1961) 0.04" NA
Aug 4 51° 82° 44° (1978) 101° (1961) 0.04" NA
Aug 5 51° 82° 42° (1980) 107° (1961) 0.04" NA
Aug 6 51° 82° 41° (1959) 97° (1961) 0.04" NA
Aug 7 51° 82° 43° (1966) 97° (1963) 0.04" NA
Aug 8 51° 82° 40° (1960) 98° (1958) 0.04" NA
Aug 9 51° 82° 35° (1985) 97° (1958) 0.03" NA
Aug 10 50° 82° 40° (1986) 98° (1984) 0.03" NA
Aug 11 50° 82° 37° (1964) 98° (1967) 0.03" NA
Aug 12 50° 82° 33° (1987) 94° (1967) 0.03" NA
Aug 13 50° 81° 42° (1980) 96° (1967) 0.03" NA
Aug 14 50° 81° 38° (1965) 97° (1961) 0.03" NA
Aug 15 50° 81° 37° (1985) 98° (1961) 0.03" NA
Aug 16 50° 81° 37° (1985) 95° (1958) 0.03" NA
Aug 17 49° 81° 34° (1969) 95° (1958) 0.03" NA
Aug 18 49° 80° 39° (1987) 96° (1964) 0.03" NA
Aug 19 49° 80° 35° (1983) 94° (1960) 0.04" NA
Aug 20 49° 80° 34° (1986) 96° (1971) 0.04" NA
Aug 21 49° 80° 41° (1968) 93° (1969) 0.04" NA
Aug 22 48° 79° 38° (1985) 95° (1976) 0.04" NA
Aug 23 48° 79° 40° (1966) 97° (1969) 0.04" NA
Aug 24 48° 79° 39° (1971) 100° (1969) 0.04" NA
Aug 25 47° 78° 37° (1980) 98° (1970) 0.04" NA
Aug 26 47° 78° 36° (1975) 94° (1971) 0.04" NA
Aug 27 47° 78° 32° (1988) 93° (1967) 0.04" NA
Aug 28 46° 77° 35° (1988) 94° (1971) 0.04" NA
Aug 29 46° 77° 38° (1963) 94° (1972) 0.04" NA
Aug 30 46° 76° 32° (1987) 91° (1983) 0.04" NA
Aug 31 45° 76° 32° (1981) 92° (1983) 0.04" NA
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