Richland, Oregon
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 19° 37° -27° (1979) 62° (1967) 1.5" NA
February 23° 45° -26° (1989) 76° (1961) 0.96" NA
March 28° 55° 2° (1954) 85° (1966) 1.06" NA
April 33° 65° 14° (1976) 92° (1987) 1.03" NA
May 40° 73° 12° (1954) 97° (1957) 1.34" NA
June 47° 82° 28° (1962) 103° (1974) 1.07" NA
July 52° 91° 25° (1983) 111° (2003) 0.7" NA
August 50° 90° 34° (1954) 109° (1961) 0.75" NA
September 41° 81° 21° (1999) 105° (1955) 0.5" NA
October 32° 68° 6° (1971) 92° (1992) 0.67" NA
November 25° 49° -6° (1993) 78° (1966) 1.5" NA
December 19° 39° -21° (1983) 65° (1950) 1.39" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 21° 42° 5° (1954) 59° (1950) 0.05" NA
Dec 2 21° 42° 10° (1953) 65° (1950) 0.05" NA
Dec 3 21° 41° 10° (1953) 60° (1950) 0.05" NA
Dec 4 21° 41° -2° (1992) 58° (1977) 0.05" NA
Dec 5 21° 41° 1° (1992) 56° (1966) 0.05" NA
Dec 6 20° 40° -9° (1992) 55° (1987) 0.05" NA
Dec 7 20° 40° -2° (1972) 62° (1987) 0.05" NA
Dec 8 20° 40° -10° (1972) 53° (1953) 0.05" NA
Dec 9 20° 40° -15° (1972) 58° (1953) 0.05" NA
Dec 10 20° 39° -14° (1972) 60° (1953) 0.05" NA
Dec 11 20° 39° -8° (1963) 56° (1993) 0.04" NA
Dec 12 20° 39° 4° (1972) 54° (1995) 0.04" NA
Dec 13 19° 39° 0° (1972) 58° (1995) 0.04" NA
Dec 14 19° 39° 2° (1967) 60° (1952) 0.04" NA
Dec 15 19° 38° 2° (1967) 54° (2002) 0.04" NA
Dec 16 19° 38° 6° (1967) 56° (1982) 0.04" NA
Dec 17 19° 38° -9° (1964) 57° (1950) 0.04" NA
Dec 18 19° 38° 3° (1948) 55° (1950) 0.04" NA
Dec 19 19° 38° -5° (1954) 56° (1950) 0.04" NA
Dec 20 19° 37° -3° (1983) 55° (1952) 0.04" NA
Dec 21 19° 37° -12° (1990) 56° (1952) 0.04" NA
Dec 22 19° 37° -16° (1990) 55° (1950) 0.04" NA
Dec 23 19° 37° -16° (1948) 53° (1950) 0.04" NA
Dec 24 18° 37° -21° (1983) 56° (1964) 0.04" NA
Dec 25 18° 37° -10° (1948) 52° (1964) 0.04" NA
Dec 26 18° 37° -9° (1948) 58° (1964) 0.04" NA
Dec 27 18° 37° -8° (1988) 55° (1972) 0.05" NA
Dec 28 18° 37° 0° (1983) 52° (1972) 0.05" NA
Dec 29 18° 37° -10° (1990) 55° (1996) 0.05" NA
Dec 30 18° 36° -15° (1990) 60° (1996) 0.05" NA
Dec 31 18° 36° -6° (1974) 55° (1996) 0.05" NA
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