Ione, Washington
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 17° 31° -20° (1979) 48° (1989) 2.78" NA
February 21° 38° -11° (1996) 57° (1986) 2.27" NA
March 26° 48° -2° (1989) 73° (2004) 2.21" NA
April 33° 59° 14° (2002) 90° (1977) 2.12" NA
May 40° 66° 22° (2002) 96° (1993) 2.8" NA
June 47° 72° 31° (1982) 99° (1992) 2.76" NA
July 51° 81° 35° (2003) 104° (2007) 1.82" NA
August 49° 83° 32° (1984) 102° (2004) 1.57" NA
September 42° 72° 22° (1984) 98° (1988) 1.5" NA
October 34° 56° 9° (1984) 80° (2003) 1.86" NA
November 27° 40° -19° (1985) 61° (1975) 3.24" NA
December 19° 32° -28° (1968) 53° (1968) 3.46" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 23° 34° -10° (1985) 50° (1995) 0.12" NA
Dec 2 22° 34° -10° (1985) 47° (1995) 0.12" NA
Dec 3 22° 34° 1° (1984) 43° (1981) 0.12" NA
Dec 4 22° 34° 2° (1984) 47° (1982) 0.12" NA
Dec 5 22° 33° -2° (1994) 51° (1981) 0.12" NA
Dec 6 21° 33° -2° (1994) 45° (1965) 0.12" NA
Dec 7 21° 33° 0° (1992) 46° (1987) 0.12" NA
Dec 8 21° 33° 0° (1995) 44° (1987) 0.12" NA
Dec 9 20° 33° -3° (1995) 43° (1991) 0.12" NA
Dec 10 20° 32° 0° (1995) 46° (1987) 0.12" NA
Dec 11 20° 32° 1° (2007) 45° (1987) 0.11" NA
Dec 12 20° 32° 1° (2000) 53° (1968) 0.11" NA
Dec 13 20° 32° 0° (1967) 43° (1995) 0.11" NA
Dec 14 19° 32° 0° (1967) 47° (1995) 0.11" NA
Dec 15 19° 32° 0° (1967) 44° (1979) 0.11" NA
Dec 16 19° 31° 4° (1967) 48° (1979) 0.11" NA
Dec 17 19° 31° -1° (1983) 45° (1982) 0.11" NA
Dec 18 19° 31° -10° (1984) 45° (1966) 0.11" NA
Dec 19 18° 31° -11° (1984) 43° (1966) 0.11" NA
Dec 20 18° 31° -6° (1983) 43° (1966) 0.11" NA
Dec 21 18° 31° -14° (1990) 44° (1974) 0.11" NA
Dec 22 18° 31° -15° (1990) 43° (1974) 0.11" NA
Dec 23 18° 31° -16° (1983) 42° (1995) 0.11" NA
Dec 24 18° 31° -15° (1983) 38° (1969) 0.11" NA
Dec 25 18° 31° -12° (1983) 39° (1966) 0.11" NA
Dec 26 17° 30° -12° (1996) 38° (1989) 0.11" NA
Dec 27 17° 30° -9° (1996) 51° (1980) 0.1" NA
Dec 28 17° 30° -7° (1983) 52° (1980) 0.1" NA
Dec 29 17° 30° -24° (1968) 45° (1980) 0.1" NA
Dec 30 17° 30° -28° (1968) 39° (1980) 0.1" NA
Dec 31 17° 30° -28° (1968) 38° (1980) 0.1" NA
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