Crystal Mountain, Washington
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 22° 30° -11° (1950) 59° (1968) 12.47" 69.9"
February 24° 33° -10° (1989) 59° (1988) 8.95" 52.5"
March 27° 37° 1° (1960) 63° (2005) 7.35" 55.5"
April 31° 43° 16° (1951) 76° (1977) 5.69" 39.5"
May 36° 50° 20° (1954) 86° (1986) 4.32" 18.5"
June 41° 58° 28° (1991) 90° (2006) 3.98" 1.6"
July 47° 65° 30° (1955) 102° (2004) 1.86" 0.3"
August 48° 66° 34° (1973) 93° (2004) 2.2" 0"
September 44° 59° 26° (1972) 91° (1988) 4.16" 1.4"
October 37° 48° 15° (2002) 80° (1988) 6.45" 17.2"
November 27° 34° -5° (1955) 59° (2004) 12.84" 75.4"
December 22° 30° -21° (1968) 64° (1980) 13.88" 74.9"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 47° 63° 35° (1973) 83° (1998) 0.11" NA
Sep 2 46° 63° 36° (1960) 85° (1988) 0.11" NA
Sep 3 46° 63° 36° (1969) 89° (1988) 0.12" NA
Sep 4 46° 63° 37° (1947) 91° (1988) 0.12" NA
Sep 5 46° 62° 34° (2002) 82° (1955) 0.12" NA
Sep 6 46° 62° 34° (1976) 86° (1944) 0.12" NA
Sep 7 46° 62° 36° (1952) 85° (1958) 0.13" NA
Sep 8 45° 62° 35° (1959) 81° (1981) 0.13" NA
Sep 9 45° 61° 34° (1988) 86° (1944) 0.13" NA
Sep 10 45° 61° 35° (1988) 87° (1944) 0.13" NA
Sep 11 45° 61° 35° (1962) 86° (1944) 0.14" NA
Sep 12 45° 61° 35° (1967) 76° (1957) 0.14" NA
Sep 13 45° 60° 31° (1970) 79° (2002) 0.14" NA
Sep 14 44° 60° 34° (1969) 80° (1957) 0.14" NA
Sep 15 44° 60° 33° (1955) 78° (1998) 0.14" NA
Sep 16 44° 59° 29° (1946) 79° (1981) 0.14" NA
Sep 17 44° 59° 30° (1978) 81° (1981) 0.15" NA
Sep 18 44° 59° 31° (1983) 77° (1979) 0.15" NA
Sep 19 43° 58° 32° (1972) 75° (1952) 0.15" NA
Sep 20 43° 58° 32° (1993) 76° (1999) 0.15" NA
Sep 21 43° 58° 31° (1977) 77° (1999) 0.15" NA
Sep 22 43° 58° 30° (1984) 78° (1947) 0.15" NA
Sep 23 43° 57° 30° (1948) 82° (1952) 0.15" NA
Sep 24 42° 57° 30° (1970) 80° (1952) 0.15" NA
Sep 25 42° 57° 30° (1972) 79° (1952) 0.15" NA
Sep 26 42° 56° 29° (1972) 79° (1991) 0.15" NA
Sep 27 42° 56° 26° (1972) 78° (1963) 0.15" NA
Sep 28 42° 56° 29° (1983) 78° (1963) 0.15" NA
Sep 29 41° 55° 28° (1948) 75° (1993) 0.15" NA
Sep 30 41° 55° 32° (1950) 76° (1987) 0.15" NA
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