Boise, Idaho
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 24° 37° -17° (1950) 63° (1953) 1.39" 4.9"
February 29° 45° -15° (1989) 71° (1992) 1.14" 3.3"
March 34° 54° 6° (1971) 81° (1978) 1.41" 1.5"
April 39° 62° 19° (1968) 92° (1987) 1.27" 0.3"
May 47° 71° 22° (1982) 99° (2003) 1.27" 0.1"
June 54° 80° 31° (1995) 109° (1940) 0.74" 0"
July 60° 89° 35° (1986) 111° (1960) 0.39" 0"
August 60° 88° 34° (1992) 110° (1961) 0.3" 0"
September 51° 77° 23° (1970) 102° (1945) 0.76" 0"
October 41° 64° 11° (1971) 94° (1997) 0.76" 0.1"
November 32° 48° -3° (1985) 78° (1999) 1.38" 2.9"
December 24° 37° -25° (1990) 65° (1964) 1.38" 6.4"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Apr 1 37° 58° 20° (1975) 82° (1966) 0.05" NA
Apr 2 37° 58° 20° (1976) 79° (1943) 0.05" NA
Apr 3 37° 58° 21° (1970) 79° (1987) 0.05" NA
Apr 4 37° 59° 25° (2001) 79° (2000) 0.05" NA
Apr 5 37° 59° 21° (1997) 80° (1960) 0.05" NA
Apr 6 37° 59° 23° (1982) 78° (1988) 0.05" NA
Apr 7 38° 59° 23° (1984) 79° (1977) 0.05" NA
Apr 8 38° 60° 22° (1953) 82° (1996) 0.04" NA
Apr 9 38° 60° 23° (1987) 77° (1942) 0.04" NA
Apr 10 38° 60° 24° (1999) 80° (1968) 0.04" NA
Apr 11 38° 60° 23° (1953) 80° (1949) 0.04" NA
Apr 12 39° 61° 23° (1987) 82° (1988) 0.04" NA
Apr 13 39° 61° 19° (1968) 80° (1988) 0.04" NA
Apr 14 39° 61° 25° (1945) 86° (1962) 0.04" NA
Apr 15 39° 61° 21° (1995) 85° (1990) 0.04" NA
Apr 16 39° 62° 20° (1960) 85° (1994) 0.04" NA
Apr 17 40° 62° 21° (1964) 84° (1994) 0.04" NA
Apr 18 40° 62° 21° (1968) 89° (1994) 0.04" NA
Apr 19 40° 63° 22° (1966) 83° (1989) 0.04" NA
Apr 20 40° 63° 20° (1985) 89° (1994) 0.04" NA
Apr 21 40° 63° 23° (1968) 84° (1942) 0.04" NA
Apr 22 41° 63° 24° (1968) 87° (1987) 0.04" NA
Apr 23 41° 64° 25° (1992) 88° (1977) 0.04" NA
Apr 24 41° 64° 22° (1950) 91° (1977) 0.04" NA
Apr 25 41° 64° 26° (1961) 92° (1946) 0.04" NA
Apr 26 42° 65° 24° (1985) 85° (1987) 0.04" NA
Apr 27 42° 65° 26° (1966) 92° (1987) 0.04" NA
Apr 28 42° 65° 29° (1996) 88° (1987) 0.04" NA
Apr 29 42° 66° 27° (1975) 89° (1992) 0.04" NA
Apr 30 43° 66° 25° (1972) 84° (1998) 0.04" NA
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