Richland, Washington
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 26° 40° -21° (1950) 71° (1971) 0.97" 2"
February 29° 47° -22° (1950) 73° (1986) 0.75" 1.9"
March 35° 57° 11° (1993) 82° (1960) 0.71" 0.3"
April 40° 65° 23° (1972) 92° (1977) 0.57" 0"
May 47° 73° 30° (1954) 104° (1986) 0.61" 0"
June 54° 80° 38° (1984) 110° (1958) 0.41" 0"
July 58° 88° 41° (1948) 110° (1968) 0.25" 0"
August 58° 88° 39° (1973) 113° (1961) 0.3" 0"
September 50° 79° 31° (1984) 106° (1950) 0.34" 0"
October 40° 65° 13° (2002) 89° (1958) 0.53" 0"
November 33° 49° -6° (1985) 77° (1975) 1.07" 1"
December 27° 40° -10° (1968) 66° (1993) 1.04" 3.3"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Mar 1 32° 52° 11° (1993) 70° (1967) 0.03" NA
Mar 2 32° 53° 16° (1971) 62° (1986) 0.03" NA
Mar 3 32° 53° 13° (1976) 66° (1968) 0.03" NA
Mar 4 32° 53° 15° (1955) 70° (1968) 0.03" NA
Mar 5 33° 54° 12° (1955) 69° (1987) 0.03" NA
Mar 6 33° 54° 21° (1971) 68° (1972) 0.03" NA
Mar 7 33° 54° 21° (1994) 74° (1979) 0.03" NA
Mar 8 33° 55° 24° (1985) 72° (2004) 0.03" NA
Mar 9 33° 55° 24° (1969) 71° (1953) 0.03" NA
Mar 10 34° 56° 22° (1969) 72° (1953) 0.02" NA
Mar 11 34° 56° 18° (1950) 74° (2007) 0.02" NA
Mar 12 34° 56° 17° (1950) 69° (2007) 0.02" NA
Mar 13 34° 57° 23° (1962) 76° (2003) 0.02" NA
Mar 14 34° 57° 25° (1953) 74° (2003) 0.02" NA
Mar 15 35° 57° 25° (1949) 73° (1961) 0.02" NA
Mar 16 35° 57° 25° (1982) 72° (1965) 0.02" NA
Mar 17 35° 58° 22° (1965) 76° (1972) 0.02" NA
Mar 18 35° 58° 16° (1965) 76° (1972) 0.02" NA
Mar 19 35° 58° 15° (1965) 77° (1978) 0.02" NA
Mar 20 36° 59° 25° (1959) 71° (1999) 0.02" NA
Mar 21 36° 59° 26° (1952) 74° (1978) 0.02" NA
Mar 22 36° 59° 22° (1952) 74° (1960) 0.02" NA
Mar 23 36° 59° 24° (1964) 75° (1960) 0.02" NA
Mar 24 36° 60° 17° (1965) 76° (1960) 0.02" NA
Mar 25 36° 60° 22° (1996) 77° (1960) 0.02" NA
Mar 26 37° 60° 25° (1955) 82° (1960) 0.02" NA
Mar 27 37° 60° 23° (1975) 75° (1978) 0.02" NA
Mar 28 37° 61° 20° (1975) 76° (1986) 0.02" NA
Mar 29 37° 61° 17° (1954) 77° (1966) 0.02" NA
Mar 30 37° 61° 21° (1954) 77° (1966) 0.02" NA
Mar 31 37° 61° 28° (1970) 78° (1964) 0.02" NA
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