Thomas Junction, Idaho
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 16° 29° -33° (1962) 60° (1981) 0.72" NA
February 20° 36° -35° (1985) 66° (1986) 0.73" NA
March 29° 48° -13° (1993) 77° (1986) 1.01" NA
April 35° 57° 11° (1968) 85° (1962) 1.22" NA
May 43° 67° 17° (1972) 96° (2003) 1.52" NA
June 50° 76° 28° (1995) 100° (1988) 1.23" NA
July 55° 86° 34° (1986) 102° (2002) 0.58" NA
August 54° 85° 28° (1992) 104° (1958) 0.59" NA
September 45° 74° 20° (1983) 98° (1950) 0.77" NA
October 35° 60° 12° (1971) 88° (1963) 0.93" NA
November 26° 44° -16° (1993) 74° (1999) 0.87" NA
December 17° 31° -29° (1990) 69° (1976) 1.14" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 50° 81° 36° (1980) 95° (1950) 0.02" NA
Sep 2 50° 80° 34° (1975) 96° (1950) 0.02" NA
Sep 3 50° 80° 33° (1964) 98° (1950) 0.02" NA
Sep 4 50° 80° 34° (1971) 95° (1950) 0.02" NA
Sep 5 49° 79° 33° (1994) 94° (1955) 0.03" NA
Sep 6 49° 79° 29° (1996) 97° (1955) 0.02" NA
Sep 7 49° 78° 28° (1992) 92° (1955) 0.02" NA
Sep 8 48° 78° 28° (1962) 90° (1949) 0.01" NA
Sep 9 48° 77° 30° (1970) 90° (1966) 0.02" NA
Sep 10 48° 77° 30° (1970) 90° (1968) 0.02" NA
Sep 11 47° 77° 30° (1970) 92° (1963) 0.02" NA
Sep 12 47° 76° 30° (1951) 93° (1953) 0.02" NA
Sep 13 46° 76° 27° (1989) 94° (1948) 0.02" NA
Sep 14 46° 75° 28° (1970) 96° (1990) 0.02" NA
Sep 15 46° 75° 27° (1970) 89° (1953) 0.02" NA
Sep 16 45° 74° 28° (1970) 90° (1995) 0.03" NA
Sep 17 45° 74° 26° (1971) 90° (1956) 0.02" NA
Sep 18 44° 73° 23° (1971) 91° (1956) 0.03" NA
Sep 19 44° 73° 20° (1983) 91° (1956) 0.03" NA
Sep 20 44° 72° 22° (1983) 85° (1952) 0.03" NA
Sep 21 43° 72° 22° (1983) 87° (1953) 0.03" NA
Sep 22 43° 71° 21° (1995) 89° (1966) 0.03" NA
Sep 23 42° 71° 25° (1983) 90° (1949) 0.03" NA
Sep 24 42° 70° 26° (1961) 87° (1952) 0.03" NA
Sep 25 42° 70° 20° (1970) 88° (1952) 0.04" NA
Sep 26 41° 69° 21° (1970) 90° (1952) 0.03" NA
Sep 27 41° 69° 25° (1970) 87° (1969) 0.04" NA
Sep 28 40° 68° 21° (1985) 87° (2001) 0.03" NA
Sep 29 40° 68° 21° (1985) 89° (1989) 0.04" NA
Sep 30 40° 67° 21° (1985) 86° (1992) 0.03" NA
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