Union, Washington
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 35° 45° 11° (1980) 63° (2005) 14.79" 1.1"
February 35° 48° 14° (1989) 71° (1986) 10.36" 1.7"
March 37° 53° 21° (1989) 77° (1979) 9.39" 0.3"
April 40° 58° 28° (2001) 83° (1998) 5.8" 0"
May 45° 65° 31° (1985) 92° (1983) 3.23" 0"
June 49° 70° 34° (1976) 94° (1982) 2.08" 0"
July 53° 75° 41° (1979) 96° (2004) 1.1" 0"
August 53° 76° 39° (1981) 97° (1981) 1.3" 0"
September 49° 70° 34° (1983) 91° (1988) 2.36" 0"
October 43° 59° 26° (2006) 82° (1980) 8.23" 0"
November 38° 49° 13° (1985) 68° (1980) 16.05" 0.1"
December 34° 43° 11° (1983) 66° (1980) 15.49" 1.8"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jan 1 35° 43° 15° (1979) 54° (1980) 0.49" 0"
Jan 2 35° 44° 24° (1974) 54° (1996) 0.5" 0.1"
Jan 3 35° 44° 19° (2004) 55° (1984) 0.51" 0"
Jan 4 35° 44° 19° (1974) 57° (1984) 0.5" 0.1"
Jan 5 35° 44° 12° (2004) 55° (1984) 0.51" 0"
Jan 6 35° 44° 13° (1982) 57° (1984) 0.5" 0.1"
Jan 7 35° 44° 16° (1974) 56° (2002) 0.5" 0"
Jan 8 35° 44° 19° (1974) 54° (1996) 0.5" 0"
Jan 9 35° 44° 15° (1974) 53° (1981) 0.51" 0.1"
Jan 10 35° 45° 21° (1974) 54° (1981) 0.51" 0"
Jan 11 35° 45° 19° (1993) 57° (1983) 0.5" 0.1"
Jan 12 35° 45° 19° (1993) 55° (1991) 0.49" 0"
Jan 13 35° 45° 21° (2007) 53° (1994) 0.49" 0"
Jan 14 35° 45° 23° (1997) 55° (1974) 0.5" 0"
Jan 15 35° 45° 23° (1984) 58° (1974) 0.51" 0.1"
Jan 16 35° 45° 22° (1984) 57° (1974) 0.5" 0"
Jan 17 35° 45° 21° (1984) 55° (1977) 0.5" 0"
Jan 18 35° 45° 19° (1984) 57° (2005) 0.5" 0"
Jan 19 35° 46° 21° (1984) 60° (1978) 0.5" 0.1"
Jan 20 35° 46° 24° (1984) 63° (2005) 0.48" 0"
Jan 21 35° 46° 28° (1974) 56° (1981) 0.47" 0"
Jan 22 35° 46° 25° (2008) 55° (1981) 0.46" 0.1"
Jan 23 35° 46° 25° (2008) 56° (1975) 0.45" 0"
Jan 24 35° 46° 25° (2008) 60° (2005) 0.44" 0"
Jan 25 35° 46° 24° (1997) 53° (1984) 0.44" 0.1"
Jan 26 35° 46° 23° (2008) 59° (2003) 0.44" 0"
Jan 27 35° 46° 17° (1980) 57° (1984) 0.42" 0"
Jan 28 35° 46° 11° (1980) 57° (1976) 0.42" 0.1"
Jan 29 35° 46° 11° (1980) 55° (1995) 0.42" 0"
Jan 30 35° 46° 15° (1980) 56° (1997) 0.42" 0.1"
Jan 31 35° 47° 21° (1979) 58° (1998) 0.41" 0"
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