Letha, Idaho
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 23° 37° -27° (1962) 63° (1997) 1.72" NA
February 28° 45° -16° (1979) 70° (1986) 1.6" NA
March 33° 55° 6° (1965) 82° (1978) 1.58" NA
April 38° 63° 19° (1975) 94° (1977) 1.21" NA
May 45° 72° 23° (1982) 100° (1966) 1.29" NA
June 52° 81° 30° (1962) 107° (1961) 0.82" NA
July 58° 90° 35° (1955) 110° (2003) 0.3" NA
August 57° 89° 31° (1960) 109° (1961) 0.33" NA
September 49° 79° 22° (1965) 101° (1998) 0.71" NA
October 39° 66° 12° (2002) 95° (1992) 0.87" NA
November 31° 49° -13° (1955) 75° (2006) 1.72" NA
December 24° 38° -22° (1972) 66° (1964) 1.66" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 41° 68° 27° (1954) 87° (1971) 0.04" NA
May 2 42° 68° 27° (1954) 87° (1966) 0.04" NA
May 3 42° 68° 27° (1959) 91° (1966) 0.04" NA
May 4 42° 69° 25° (1982) 96° (1966) 0.04" NA
May 5 42° 69° 23° (1982) 94° (1966) 0.04" NA
May 6 43° 69° 26° (1968) 90° (1966) 0.04" NA
May 7 43° 69° 29° (1981) 91° (1987) 0.04" NA
May 8 43° 70° 26° (2002) 93° (1987) 0.04" NA
May 9 43° 70° 27° (2002) 92° (1987) 0.04" NA
May 10 44° 70° 27° (1999) 92° (1987) 0.05" NA
May 11 44° 71° 27° (1999) 91° (1949) 0.05" NA
May 12 44° 71° 29° (1985) 92° (1949) 0.05" NA
May 13 44° 71° 27° (1974) 94° (1949) 0.05" NA
May 14 45° 72° 31° (1967) 92° (1972) 0.05" NA
May 15 45° 72° 30° (1974) 93° (1954) 0.04" NA
May 16 45° 72° 27° (1974) 94° (1973) 0.04" NA
May 17 45° 73° 29° (1965) 94° (1973) 0.04" NA
May 18 45° 73° 29° (1965) 95° (1954) 0.04" NA
May 19 46° 73° 28° (1974) 94° (1954) 0.04" NA
May 20 46° 73° 31° (1971) 93° (1958) 0.04" NA
May 21 46° 74° 32° (1973) 92° (1967) 0.04" NA
May 22 46° 74° 28° (1960) 93° (1979) 0.04" NA
May 23 47° 74° 28° (1966) 94° (1988) 0.04" NA
May 24 47° 75° 35° (1975) 95° (2001) 0.04" NA
May 25 47° 75° 28° (1975) 97° (1961) 0.04" NA
May 26 47° 75° 30° (1964) 100° (1966) 0.04" NA
May 27 48° 75° 32° (1954) 98° (1966) 0.04" NA
May 28 48° 76° 33° (1954) 93° (1983) 0.04" NA
May 29 48° 76° 30° (1951) 98° (2003) 0.04" NA
May 30 48° 76° 33° (1959) 95° (1972) 0.04" NA
May 31 49° 77° 31° (1955) 98° (1986) 0.04" NA
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