Plaza, Washington
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 23° 37° -24° (1979) 60° (1981) 2.06" 7.5"
February 26° 42° -25° (1996) 66° (1977) 1.53" 2.1"
March 30° 50° -4° (1955) 74° (1994) 1.59" 1.2"
April 34° 58° 15° (1966) 94° (1977) 1.37" 0.2"
May 40° 66° 22° (2002) 95° (2006) 1.72" 0.1"
June 46° 73° 27° (1979) 99° (1973) 1.23" 0"
July 50° 84° 31° (1971) 105° (2006) 0.66" 0"
August 50° 84° 31° (1980) 107° (1961) 0.51" 0"
September 42° 75° 20° (1983) 101° (1988) 0.75" 0"
October 34° 61° 4° (2002) 90° (1992) 1.28" 0.1"
November 28° 44° -15° (1985) 72° (1988) 2.46" 3.4"
December 22° 35° -29° (1968) 59° (1980) 2.23" 10.3"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 36° 62° 23° (1954) 84° (1981) 0.05" 0"
May 2 37° 63° 25° (2006) 85° (1998) 0.04" 0"
May 3 37° 63° 27° (1974) 80° (1966) 0.05" 0"
May 4 37° 63° 28° (1982) 82° (1966) 0.04" 0"
May 5 37° 63° 25° (2010) 83° (1966) 0.05" 0"
May 6 38° 64° 24° (1965) 88° (1966) 0.05" 0"
May 7 38° 64° 28° (2000) 89° (1992) 0.05" 0"
May 8 38° 64° 22° (2002) 88° (1987) 0.05" 0"
May 9 38° 65° 25° (2002) 87° (1987) 0.05" 0"
May 10 39° 65° 24° (1999) 85° (1949) 0.05" 0.1"
May 11 39° 65° 29° (1985) 85° (1949) 0.05" 0"
May 12 39° 65° 28° (1985) 89° (1949) 0.06" 0"
May 13 39° 66° 27° (2006) 95° (1993) 0.05" 0"
May 14 40° 66° 30° (1955) 84° (1973) 0.05" 0"
May 15 40° 66° 29° (1974) 89° (1973) 0.06" 0"
May 16 40° 66° 26° (1977) 93° (2006) 0.05" 0"
May 17 41° 66° 27° (2003) 92° (2006) 0.06" 0"
May 18 41° 67° 30° (1965) 95° (2006) 0.05" 0"
May 19 41° 67° 30° (1987) 92° (2006) 0.06" 0"
May 20 41° 67° 27° (1987) 87° (2006) 0.06" 0"
May 21 41° 67° 30° (1973) 83° (1958) 0.06" 0"
May 22 42° 68° 31° (1966) 85° (1958) 0.06" 0"
May 23 42° 68° 30° (1978) 89° (1988) 0.06" 0"
May 24 42° 68° 26° (2010) 93° (2001) 0.06" 0"
May 25 42° 68° 30° (1964) 94° (2003) 0.06" 0"
May 26 43° 68° 33° (1973) 88° (1992) 0.07" 0"
May 27 43° 68° 31° (1977) 89° (1958) 0.06" 0"
May 28 43° 69° 30° (1979) 90° (1958) 0.07" 0"
May 29 43° 69° 28° (1951) 90° (1983) 0.06" 0"
May 30 43° 69° 27° (1978) 93° (1986) 0.07" 0"
May 31 44° 69° 31° (1978) 94° (1986) 0.06" 0"
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