Royal Slope, Washington
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 23° 35° -26° (1957) 64° (1971) 0.93" NA
February 28° 43° -26° (1950) 67° (1995) 0.82" NA
March 31° 53° 6° (1945) 79° (1960) 0.86" NA
April 36° 61° 16° (1945) 91° (1977) 0.62" NA
May 43° 69° 23° (1954) 99° (1983) 0.73" NA
June 49° 76° 31° (1943) 106° (1961) 0.52" NA
July 54° 83° 34° (1948) 111° (1941) 0.39" NA
August 54° 83° 36° (1980) 114° (1961) 0.33" NA
September 47° 74° 26° (1985) 102° (1950) 0.4" NA
October 37° 61° 14° (1971) 91° (1943) 0.57" NA
November 31° 45° -14° (1985) 73° (1975) 1.04" NA
December 24° 35° -15° (1968) 63° (1959) 1.21" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Nov 1 34° 53° 17° (1951) 71° (1988) 0.03" NA
Nov 2 34° 52° 16° (1951) 66° (1945) 0.03" NA
Nov 3 34° 51° 18° (1995) 65° (1945) 0.03" NA
Nov 4 33° 51° 20° (1967) 73° (1975) 0.03" NA
Nov 5 33° 50° 16° (1973) 72° (1975) 0.03" NA
Nov 6 33° 50° 11° (1967) 65° (1950) 0.03" NA
Nov 7 33° 49° 20° (1959) 60° (1941) 0.03" NA
Nov 8 33° 48° 9° (1945) 63° (1978) 0.03" NA
Nov 9 32° 48° 15° (1945) 60° (1962) 0.03" NA
Nov 10 32° 47° 15° (1986) 66° (1989) 0.03" NA
Nov 11 32° 47° 12° (1978) 68° (1989) 0.03" NA
Nov 12 32° 46° 7° (1955) 67° (1990) 0.03" NA
Nov 13 32° 46° 3° (1955) 59° (1981) 0.03" NA
Nov 14 31° 45° 3° (1955) 68° (1952) 0.03" NA
Nov 15 31° 45° -8° (1955) 63° (1995) 0.03" NA
Nov 16 31° 44° 4° (1955) 64° (1998) 0.03" NA
Nov 17 31° 44° 9° (1961) 64° (1976) 0.04" NA
Nov 18 31° 43° 9° (1955) 64° (1976) 0.04" NA
Nov 19 30° 43° 5° (1985) 62° (1962) 0.04" NA
Nov 20 30° 42° 12° (1977) 60° (1958) 0.04" NA
Nov 21 30° 42° -6° (1985) 61° (1958) 0.04" NA
Nov 22 30° 42° -5° (1985) 61° (1959) 0.04" NA
Nov 23 29° 41° 11° (1993) 67° (1959) 0.04" NA
Nov 24 29° 41° -14° (1985) 65° (1959) 0.04" NA
Nov 25 29° 40° -8° (1985) 62° (1962) 0.04" NA
Nov 26 29° 40° -5° (1993) 61° (1962) 0.04" NA
Nov 27 28° 40° -4° (1985) 60° (1949) 0.04" NA
Nov 28 28° 39° 3° (1985) 55° (1950) 0.04" NA
Nov 29 28° 39° 4° (1985) 58° (1995) 0.04" NA
Nov 30 28° 39° 1° (1952) 58° (1951) 0.04" NA
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