Arco, Idaho
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 29° -35° (1985) 52° (1962) 0.82" NA
February 10° 36° -31° (1996) 59° (1991) 1.05" NA
March 21° 46° -19° (1960) 71° (1966) 0.86" NA
April 29° 58° 5° (1978) 86° (1987) 0.75" NA
May 37° 67° 11° (1972) 94° (2003) 1.32" NA
June 43° 77° 21° (1954) 97° (1988) 0.9" NA
July 48° 85° 29° (1986) 102° (1960) 0.83" NA
August 47° 83° 25° (1992) 100° (1961) 0.78" NA
September 38° 74° 15° (1985) 96° (1950) 0.7" NA
October 29° 61° 4° (2002) 83° (1988) 0.63" NA
November 18° 42° -21° (1977) 69° (1953) 0.8" NA
December 30° -45° (1983) 59° (1976) 0.81" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 49° 86° 37° (1975) 99° (2003) 0.03" NA
Aug 2 49° 86° 37° (1964) 99° (1961) 0.03" NA
Aug 3 49° 85° 33° (1956) 100° (1961) 0.03" NA
Aug 4 49° 85° 35° (1980) 100° (1961) 0.03" NA
Aug 5 49° 85° 35° (1980) 99° (1961) 0.03" NA
Aug 6 49° 85° 32° (1950) 97° (1989) 0.03" NA
Aug 7 49° 85° 37° (1996) 98° (1990) 0.03" NA
Aug 8 49° 85° 37° (1975) 99° (1990) 0.03" NA
Aug 9 49° 85° 36° (1985) 94° (1972) 0.03" NA
Aug 10 48° 85° 38° (1985) 96° (2003) 0.03" NA
Aug 11 48° 85° 38° (1985) 95° (1960) 0.03" NA
Aug 12 48° 84° 35° (1985) 95° (1960) 0.03" NA
Aug 13 48° 84° 34° (1985) 95° (2003) 0.03" NA
Aug 14 48° 84° 33° (1978) 99° (2003) 0.03" NA
Aug 15 48° 84° 31° (1978) 99° (2003) 0.03" NA
Aug 16 47° 84° 30° (1987) 97° (2003) 0.03" NA
Aug 17 47° 83° 34° (1978) 92° (1981) 0.02" NA
Aug 18 47° 83° 33° (1952) 93° (1961) 0.02" NA
Aug 19 47° 83° 35° (1996) 96° (1961) 0.02" NA
Aug 20 47° 83° 34° (1978) 94° (1982) 0.02" NA
Aug 21 46° 82° 31° (1966) 95° (1982) 0.02" NA
Aug 22 46° 82° 26° (1978) 94° (1982) 0.02" NA
Aug 23 46° 82° 28° (1960) 92° (1969) 0.02" NA
Aug 24 45° 82° 31° (1978) 92° (1969) 0.02" NA
Aug 25 45° 81° 25° (1992) 96° (1988) 0.02" NA
Aug 26 45° 81° 27° (1992) 96° (1981) 0.02" NA
Aug 27 45° 81° 29° (1993) 93° (1981) 0.02" NA
Aug 28 44° 80° 32° (1962) 91° (1981) 0.02" NA
Aug 29 44° 80° 28° (1960) 94° (1987) 0.02" NA
Aug 30 44° 80° 28° (1964) 93° (1948) 0.02" NA
Aug 31 43° 79° 28° (1956) 93° (1955) 0.02" NA
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