Sun River, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 12° 34° -46° (1996) 65° (2005) 0.42" 9.6"
February 16° 40° -45° (1996) 73° (1992) 0.36" 5.1"
March 22° 47° -33° (1960) 79° (2007) 0.67" 8.6"
April 30° 57° -16° (1975) 88° (1980) 1.24" 6.7"
May 39° 66° 8° (1954) 93° (1988) 2.18" 0.8"
June 46° 74° 26° (1969) 99° (1990) 2.08" 0.1"
July 50° 82° 33° (1971) 111° (2006) 1.47" 0"
August 49° 81° 28° (1992) 102° (1983) 1.51" 0"
September 40° 70° 16° (1984) 97° (1967) 1.06" 0.8"
October 33° 59° -19° (1991) 91° (1992) 0.81" 2"
November 23° 43° -40° (1959) 74° (2004) 0.49" 4.8"
December 15° 36° -51° (1968) 65° (1957) 0.42" 8.8"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Apr 1 26° 52° -7° (1975) 73° (1991) 0.03" NA
Apr 2 27° 53° -8° (1954) 78° (1990) 0.03" NA
Apr 3 27° 53° -6° (2002) 78° (1992) 0.03" NA
Apr 4 27° 54° 11° (2002) 78° (1960) 0.03" NA
Apr 5 27° 54° 0° (1982) 75° (1959) 0.03" NA
Apr 6 28° 54° -16° (1975) 76° (1988) 0.03" NA
Apr 7 28° 55° -2° (1964) 77° (1977) 0.03" NA
Apr 8 28° 55° 0° (1982) 80° (1977) 0.03" NA
Apr 9 29° 55° 8° (1959) 82° (1996) 0.03" NA
Apr 10 29° 56° 8° (1990) 78° (1985) 0.04" NA
Apr 11 29° 56° -1° (1997) 78° (2003) 0.04" NA
Apr 12 29° 56° 7° (1997) 77° (1976) 0.04" NA
Apr 13 30° 57° 12° (1983) 76° (1963) 0.04" NA
Apr 14 30° 57° -1° (1986) 81° (1963) 0.04" NA
Apr 15 30° 57° 10° (1953) 84° (1988) 0.04" NA
Apr 16 31° 58° 14° (1967) 81° (1984) 0.04" NA
Apr 17 31° 58° 7° (1964) 86° (1994) 0.04" NA
Apr 18 31° 58° 11° (1964) 80° (1962) 0.04" NA
Apr 19 31° 58° 11° (1966) 86° (1962) 0.04" NA
Apr 20 32° 59° 15° (1959) 88° (1980) 0.05" NA
Apr 21 32° 59° 13° (1954) 78° (1989) 0.05" NA
Apr 22 32° 59° 1° (1967) 81° (1969) 0.05" NA
Apr 23 33° 60° 12° (1967) 81° (1962) 0.05" NA
Apr 24 33° 60° 12° (1958) 82° (1962) 0.05" NA
Apr 25 33° 60° 18° (1958) 82° (1974) 0.05" NA
Apr 26 33° 61° 19° (1960) 81° (1992) 0.05" NA
Apr 27 34° 61° 13° (1994) 86° (1987) 0.05" NA
Apr 28 34° 61° 15° (1954) 87° (1987) 0.05" NA
Apr 29 34° 61° 10° (1966) 86° (1992) 0.06" NA
Apr 30 34° 62° 18° (1954) 85° (1968) 0.06" NA
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