Roy, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 10° 35° -41° (1997) 69° (1992) 0.36" 7.1"
February 14° 38° -39° (1996) 72° (1992) 0.31" 5"
March 22° 48° -33° (1989) 81° (2004) 0.68" 6.9"
April 31° 58° -5° (1986) 90° (1980) 1.11" 3"
May 40° 67° 10° (1954) 96° (1980) 2.77" 1.1"
June 49° 76° 29° (1969) 103° (1984) 2.35" 0.1"
July 54° 86° 36° (1972) 105° (2003) 1.76" 0"
August 52° 86° 30° (1992) 107° (1983) 1.26" 0"
September 43° 74° 16° (1985) 103° (1983) 1.15" 0.3"
October 32° 60° -11° (1991) 92° (1992) 0.85" 2.1"
November 20° 46° -29° (1959) 78° (1999) 0.41" 4.7"
December 10° 35° -41° (1989) 69° (1956) 0.49" 6.5"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jun 1 45° 72° 31° (1979) 92° (1956) 0.09" 0"
Jun 2 46° 72° 35° (1951) 89° (1986) 0.09" 0"
Jun 3 46° 72° 31° (1951) 93° (1988) 0.09" 0"
Jun 4 46° 73° 31° (1998) 101° (1988) 0.1" 0"
Jun 5 46° 73° 37° (1983) 102° (1988) 0.09" 0"
Jun 6 47° 73° 32° (1998) 99° (1988) 0.09" 0.1"
Jun 7 47° 73° 30° (1950) 100° (1988) 0.09" 0"
Jun 8 47° 74° 29° (1950) 95° (1988) 0.09" 0"
Jun 9 47° 74° 34° (1950) 96° (1956) 0.08" 0"
Jun 10 48° 74° 34° (1999) 98° (1988) 0.09" 0"
Jun 11 48° 75° 30° (1969) 97° (1992) 0.08" 0"
Jun 12 48° 75° 29° (1969) 95° (1979) 0.08" 0"
Jun 13 48° 75° 31° (1969) 92° (1979) 0.07" 0"
Jun 14 48° 75° 29° (1969) 96° (1987) 0.08" 0"
Jun 15 49° 76° 35° (1969) 98° (1987) 0.07" 0"
Jun 16 49° 76° 37° (1994) 95° (1988) 0.08" 0"
Jun 17 49° 76° 34° (1954) 102° (1988) 0.07" 0"
Jun 18 49° 77° 34° (1949) 96° (1988) 0.08" 0"
Jun 19 49° 77° 40° (1954) 95° (1974) 0.07" 0"
Jun 20 49° 77° 34° (1978) 102° (1988) 0.08" 0"
Jun 21 50° 78° 40° (1958) 95° (1988) 0.08" 0"
Jun 22 50° 78° 39° (2003) 100° (1988) 0.07" 0"
Jun 23 50° 78° 39° (1960) 98° (1988) 0.07" 0"
Jun 24 50° 79° 39° (1967) 95° (1974) 0.07" 0"
Jun 25 50° 79° 32° (1958) 96° (1988) 0.06" 0"
Jun 26 51° 80° 36° (1989) 101° (1988) 0.07" 0"
Jun 27 51° 80° 38° (1949) 99° (2002) 0.07" 0"
Jun 28 51° 80° 39° (1959) 101° (1966) 0.07" 0"
Jun 29 51° 81° 36° (1959) 103° (1984) 0.06" 0"
Jun 30 51° 81° 36° (1951) 101° (1990) 0.07" 0"
Advertisements
Track Severe Weather on mobile