Fairfield, Idaho
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 31° -42° (1984) 48° (1975) 2.22" 20.4"
February 36° -38° (1950) 63° (1992) 1.71" 11.6"
March 19° 45° -24° (1960) 70° (1986) 1.45" 7.5"
April 29° 57° -3° (1967) 83° (1992) 1.05" 2.7"
May 36° 67° 15° (1984) 94° (2003) 1.33" 0.4"
June 42° 76° 19° (1966) 99° (1949) 0.83" 0"
July 47° 85° 26° (1981) 101° (2002) 0.6" 0"
August 46° 85° 23° (1992) 100° (1962) 0.42" 0"
September 37° 76° 11° (1985) 96° (1950) 0.69" 0.3"
October 27° 63° -8° (2002) 87° (1992) 0.82" 0.7"
November 18° 43° -21° (1955) 69° (1965) 1.77" 10.5"
December 32° -40° (1983) 55° (1972) 1.98" 19.9"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 41° 81° 29° (1965) 95° (1950) 0.02" NA
Sep 2 41° 80° 24° (1989) 96° (1950) 0.02" NA
Sep 3 41° 80° 21° (1989) 96° (1950) 0.02" NA
Sep 4 40° 80° 23° (1989) 93° (1950) 0.02" NA
Sep 5 40° 79° 21° (1989) 95° (1955) 0.02" NA
Sep 6 40° 79° 23° (1989) 94° (1955) 0.02" NA
Sep 7 39° 78° 22° (1976) 91° (1979) 0.02" NA
Sep 8 39° 78° 23° (1989) 89° (1988) 0.02" NA
Sep 9 38° 78° 21° (1989) 89° (1988) 0.02" NA
Sep 10 38° 77° 19° (1983) 89° (1953) 0.02" NA
Sep 11 38° 77° 21° (1989) 90° (1963) 0.02" NA
Sep 12 38° 77° 23° (1989) 92° (1953) 0.02" NA
Sep 13 37° 76° 22° (1989) 89° (1953) 0.02" NA
Sep 14 37° 76° 17° (1970) 89° (1953) 0.02" NA
Sep 15 37° 76° 22° (1970) 91° (2000) 0.03" NA
Sep 16 36° 75° 20° (1985) 90° (1981) 0.03" NA
Sep 17 36° 75° 15° (1965) 90° (1981) 0.03" NA
Sep 18 36° 75° 15° (1965) 90° (1981) 0.03" NA
Sep 19 35° 74° 15° (1965) 89° (1981) 0.03" NA
Sep 20 35° 74° 15° (1983) 88° (1984) 0.03" NA
Sep 21 35° 74° 14° (1983) 86° (1966) 0.03" NA
Sep 22 34° 73° 20° (1993) 91° (1987) 0.03" NA
Sep 23 34° 73° 20° (1985) 90° (1966) 0.03" NA
Sep 24 34° 73° 18° (1972) 90° (1987) 0.02" NA
Sep 25 33° 72° 12° (1970) 90° (1987) 0.02" NA
Sep 26 33° 72° 20° (1985) 87° (1963) 0.02" NA
Sep 27 33° 72° 19° (1971) 89° (1963) 0.02" NA
Sep 28 33° 72° 18° (1985) 88° (1967) 0.02" NA
Sep 29 32° 71° 12° (1985) 86° (1963) 0.02" NA
Sep 30 32° 71° 11° (1985) 88° (1992) 0.02" NA
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