Winston, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 14° 31° -36° (1962) 57° (1974) 0.45" NA
February 18° 38° -32° (1989) 68° (1995) 0.31" NA
March 25° 47° -21° (1989) 75° (1986) 0.55" NA
April 32° 57° 6° (1975) 85° (1992) 0.94" NA
May 40° 66° 22° (1967) 91° (1986) 1.96" NA
June 47° 75° 31° (1969) 99° (1961) 1.83" NA
July 52° 83° 33° (1957) 100° (1985) 1.47" NA
August 52° 83° 30° (1992) 106° (1961) 1.3" NA
September 44° 72° 19° (1985) 93° (1983) 1.11" NA
October 35° 59° -2° (1991) 88° (1963) 0.66" NA
November 26° 43° -25° (1959) 69° (1990) 0.46" NA
December 17° 33° -31° (1983) 63° (1957) 0.46" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 36° 62° 23° (1972) 81° (1968) 0.05" NA
May 2 36° 62° 28° (1988) 76° (1982) 0.05" NA
May 3 37° 63° 22° (1967) 79° (1985) 0.05" NA
May 4 37° 63° 24° (1967) 86° (1966) 0.05" NA
May 5 37° 63° 28° (1967) 85° (1966) 0.05" NA
May 6 38° 64° 24° (1996) 87° (1966) 0.06" NA
May 7 38° 64° 29° (1979) 86° (1966) 0.06" NA
May 8 38° 64° 31° (1984) 86° (1987) 0.06" NA
May 9 38° 64° 27° (1968) 83° (1987) 0.06" NA
May 10 39° 65° 28° (1979) 83° (1958) 0.06" NA
May 11 39° 65° 27° (1968) 81° (1987) 0.06" NA
May 12 39° 65° 26° (1966) 84° (1960) 0.06" NA
May 13 39° 66° 23° (1983) 83° (1988) 0.06" NA
May 14 40° 66° 27° (1983) 85° (1976) 0.06" NA
May 15 40° 66° 32° (1974) 85° (1978) 0.06" NA
May 16 40° 66° 29° (1974) 87° (1988) 0.06" NA
May 17 40° 67° 32° (1966) 85° (1973) 0.07" NA
May 18 41° 67° 28° (1965) 85° (1973) 0.07" NA
May 19 41° 67° 31° (1977) 85° (1973) 0.07" NA
May 20 41° 68° 31° (1959) 88° (1958) 0.07" NA
May 21 41° 68° 34° (1959) 89° (1958) 0.07" NA
May 22 42° 68° 32° (1984) 87° (1967) 0.07" NA
May 23 42° 68° 28° (1966) 83° (1967) 0.07" NA
May 24 42° 69° 32° (1957) 86° (1961) 0.07" NA
May 25 42° 69° 35° (1972) 85° (1958) 0.07" NA
May 26 43° 69° 31° (1978) 88° (1958) 0.07" NA
May 27 43° 69° 30° (1973) 86° (1966) 0.07" NA
May 28 43° 70° 31° (1977) 87° (1986) 0.07" NA
May 29 43° 70° 32° (1989) 91° (1986) 0.07" NA
May 30 44° 70° 32° (1979) 91° (1986) 0.07" NA
May 31 44° 71° 31° (1982) 87° (1986) 0.07" NA
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