Monroe, Washington
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 34° 47° -3° (1950) 67° (1986) 6.24" 0.3"
February 34° 50° -2° (1950) 75° (1986) 4.27" 0.7"
March 37° 55° 12° (1989) 79° (2004) 4.81" 0.2"
April 41° 60° 26° (1982) 84° (2004) 3.77" 0"
May 46° 66° 29° (1954) 94° (1963) 3.39" 0"
June 50° 70° 34° (1949) 96° (1958) 2.55" 0"
July 53° 76° 40° (1971) 100° (1998) 1.33" 0"
August 53° 77° 39° (1973) 100° (1960) 1.31" 0"
September 49° 71° 30° (1970) 97° (1979) 2.6" 0"
October 43° 60° 21° (1971) 88° (1987) 4.78" 0"
November 38° 50° 1° (1985) 77° (1980) 7.45" 0.7"
December 33° 44° 1° (1990) 63° (1952) 6.42" 0.6"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 43° 63° 29° (1954) 82° (1976) 0.11" 0"
May 2 43° 63° 33° (1964) 79° (1980) 0.1" 0"
May 3 43° 63° 33° (1975) 79° (1980) 0.11" 0"
May 4 43° 63° 31° (1963) 89° (1953) 0.11" 0"
May 5 44° 64° 29° (1952) 92° (1953) 0.11" 0"
May 6 44° 64° 35° (1954) 88° (1953) 0.11" 0"
May 7 44° 64° 34° (1950) 82° (1957) 0.11" 0"
May 8 44° 64° 36° (1985) 84° (1957) 0.1" 0"
May 9 44° 64° 34° (1985) 84° (1976) 0.11" 0"
May 10 45° 65° 31° (1999) 86° (1993) 0.1" 0"
May 11 45° 65° 32° (1973) 87° (1971) 0.11" 0"
May 12 45° 65° 35° (1977) 85° (1971) 0.1" 0"
May 13 45° 65° 35° (1955) 90° (1959) 0.1" 0"
May 14 45° 65° 30° (1950) 93° (1973) 0.11" 0"
May 15 46° 66° 33° (1964) 85° (2007) 0.11" 0"
May 16 46° 66° 36° (1985) 83° (2006) 0.1" 0"
May 17 46° 66° 35° (1974) 90° (2008) 0.11" 0"
May 18 46° 66° 35° (1966) 88° (1958) 0.11" 0"
May 19 46° 66° 35° (1966) 88° (1958) 0.1" 0"
May 20 47° 66° 34° (1966) 87° (1963) 0.11" 0"
May 21 47° 67° 37° (1971) 94° (1963) 0.11" 0"
May 22 47° 67° 39° (1954) 94° (1963) 0.11" 0"
May 23 47° 67° 34° (1950) 92° (1969) 0.11" 0"
May 24 47° 67° 36° (1978) 87° (1969) 0.12" 0"
May 25 48° 67° 34° (1964) 84° (1958) 0.11" 0"
May 26 48° 67° 36° (1964) 88° (1958) 0.11" 0"
May 27 48° 67° 35° (1966) 88° (1958) 0.12" 0"
May 28 48° 68° 35° (1966) 90° (1983) 0.12" 0"
May 29 48° 68° 35° (1951) 91° (1983) 0.12" 0"
May 30 48° 68° 34° (1951) 85° (1956) 0.11" 0"
May 31 48° 68° 35° (1952) 88° (1964) 0.12" 0"
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