Alder Grove, Washington
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 34° 44° 8° (1979) 59° (1961) 19.09" 9.2"
February 35° 47° 7° (1989) 74° (1963) 17.1" 4.9"
March 36° 51° 17° (1971) 74° (1994) 14.63" 4.1"
April 38° 56° 26° (1975) 85° (1998) 9.62" 0.4"
May 43° 63° 29° (1985) 98° (1983) 6.28" 0"
June 47° 67° 16° (1963) 95° (1982) 4.2" 0"
July 50° 73° 35° (1962) 100° (1965) 2.75" 0"
August 51° 73° 36° (1973) 100° (1981) 2.78" 0"
September 48° 68° 30° (1970) 93° (1988) 5.39" 0"
October 42° 59° 23° (2002) 79° (1980) 11.4" 0"
November 38° 48° 10° (1985) 71° (1970) 20.16" 1.3"
December 34° 43° 3° (1983) 60° (1960) 21.41" 3.4"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 50° 71° 37° (1960) 82° (1987) 0.12" NA
Sep 2 50° 71° 37° (1973) 93° (1988) 0.13" NA
Sep 3 50° 71° 41° (1960) 89° (1972) 0.13" NA
Sep 4 49° 71° 41° (1975) 85° (1966) 0.13" NA
Sep 5 49° 71° 40° (1960) 85° (1973) 0.14" NA
Sep 6 49° 70° 38° (1960) 88° (1958) 0.14" NA
Sep 7 49° 70° 38° (1971) 93° (1958) 0.15" NA
Sep 8 49° 70° 39° (1976) 88° (1981) 0.15" NA
Sep 9 49° 70° 37° (1970) 89° (1963) 0.15" NA
Sep 10 49° 70° 35° (1964) 83° (1957) 0.16" NA
Sep 11 48° 70° 37° (1964) 85° (1957) 0.16" NA
Sep 12 48° 69° 33° (1970) 85° (1957) 0.16" NA
Sep 13 48° 69° 30° (1970) 88° (1957) 0.17" NA
Sep 14 48° 69° 34° (1970) 88° (1957) 0.17" NA
Sep 15 48° 69° 35° (1969) 87° (1967) 0.18" NA
Sep 16 48° 68° 37° (1973) 92° (1967) 0.18" NA
Sep 17 47° 68° 35° (1978) 82° (1962) 0.18" NA
Sep 18 47° 68° 35° (1978) 80° (1982) 0.19" NA
Sep 19 47° 68° 34° (1983) 78° (1974) 0.19" NA
Sep 20 47° 67° 34° (1983) 83° (1974) 0.2" NA
Sep 21 47° 67° 33° (1961) 87° (1974) 0.2" NA
Sep 22 47° 67° 32° (1961) 88° (1990) 0.21" NA
Sep 23 46° 66° 32° (1958) 84° (1957) 0.21" NA
Sep 24 46° 66° 32° (1970) 80° (1997) 0.21" NA
Sep 25 46° 66° 32° (1972) 78° (1967) 0.22" NA
Sep 26 46° 65° 31° (1961) 78° (1963) 0.22" NA
Sep 27 46° 65° 31° (1972) 81° (2003) 0.23" NA
Sep 28 45° 65° 33° (1972) 84° (2003) 0.23" NA
Sep 29 45° 65° 31° (1961) 79° (1987) 0.24" NA
Sep 30 45° 64° 32° (1971) 80° (1987) 0.24" NA
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