Umatilla, Oregon
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 30° 41° -22° (1957) 67° (1990) 1.08" 0.1"
February 31° 47° -7° (1996) 70° (1982) 0.81" 0.6"
March 36° 56° 12° (1993) 79° (1960) 0.78" 0"
April 41° 64° 29° (1997) 90° (1977) 0.61" 0"
May 48° 72° 34° (2002) 104° (1983) 0.77" 0"
June 54° 79° 35° (1974) 106° (1961) 0.59" 0"
July 61° 88° 43° (1963) 110° (1960) 0.18" 0"
August 61° 88° 43° (1964) 111° (1961) 0.23" 0"
September 53° 78° 34° (1983) 103° (1955) 0.36" 0"
October 43° 65° 20° (2002) 87° (1988) 0.62" 0"
November 36° 50° -2° (1955) 75° (1999) 1.1" 0"
December 30° 40° -9° (1983) 68° (2007) 1.1" 0.3"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Apr 1 39° 61° 29° (1980) 75° (1965) 0.02" 0"
Apr 2 40° 61° 29° (2008) 78° (2000) 0.02" 0"
Apr 3 40° 61° 30° (1972) 74° (1985) 0.02" 0"
Apr 4 40° 62° 29° (1972) 78° (1960) 0.02" 0"
Apr 5 40° 62° 30° (1975) 74° (1979) 0.02" 0"
Apr 6 40° 62° 29° (1975) 76° (1979) 0.02" 0"
Apr 7 40° 62° 31° (1973) 80° (1960) 0.02" 0"
Apr 8 40° 62° 29° (1973) 83° (1977) 0.02" 0"
Apr 9 40° 63° 30° (1982) 78° (1955) 0.02" 0"
Apr 10 40° 63° 33° (1983) 79° (1985) 0.02" 0"
Apr 11 41° 63° 33° (1981) 82° (1968) 0.02" 0"
Apr 12 41° 63° 31° (1997) 78° (1973) 0.01" 0"
Apr 13 41° 63° 29° (1997) 80° (1988) 0.02" 0"
Apr 14 41° 63° 31° (2005) 82° (1980) 0.02" 0"
Apr 15 41° 64° 32° (1981) 79° (1956) 0.02" 0"
Apr 16 41° 64° 32° (1963) 80° (1984) 0.02" 0"
Apr 17 41° 64° 33° (1964) 79° (1990) 0.02" 0"
Apr 18 41° 64° 31° (1964) 85° (1994) 0.02" 0"
Apr 19 42° 65° 17° (1985) 81° (1989) 0.02" 0"
Apr 20 42° 65° 31° (1982) 79° (1956) 0.02" 0"
Apr 21 42° 65° 31° (1982) 85° (1956) 0.02" 0"
Apr 22 42° 65° 31° (1960) 86° (1986) 0.03" 0"
Apr 23 42° 65° 34° (1972) 85° (1956) 0.02" 0"
Apr 24 42° 66° 35° (1986) 90° (1977) 0.02" 0"
Apr 25 43° 66° 34° (1972) 85° (1977) 0.02" 0"
Apr 26 43° 66° 34° (1985) 83° (1977) 0.03" 0"
Apr 27 43° 67° 30° (1970) 83° (2001) 0.02" 0"
Apr 28 43° 67° 32° (1970) 85° (1987) 0.02" 0"
Apr 29 43° 67° 33° (1972) 88° (1987) 0.02" 0"
Apr 30 44° 67° 35° (1969) 87° (1968) 0.02" 0"
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