Sunnyside, Washington
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 25° 40° -20° (1957) 68° (1971) 0.88" 3.7"
February 29° 48° -19° (1950) 72° (1995) 0.6" 1.4"
March 34° 58° 8° (1955) 82° (1960) 0.62" 0.1"
April 39° 67° 21° (1982) 93° (1977) 0.51" 0"
May 46° 75° 29° (1965) 104° (1986) 0.55" 0"
June 52° 82° 34° (1962) 107° (1992) 0.42" 0"
July 56° 89° 39° (1955) 111° (2006) 0.19" 0"
August 55° 89° 37° (1960) 106° (1971) 0.3" 0"
September 47° 80° 29° (1983) 103° (1987) 0.47" 0"
October 37° 67° 12° (2002) 89° (1988) 0.53" 0"
November 31° 50° -5° (1985) 77° (1999) 0.96" 1.3"
December 25° 40° -12° (1990) 67° (1950) 1.16" 5.4"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Mar 1 31° 53° 15° (1960) 67° (1968) 0.02" NA
Mar 2 31° 54° 10° (1993) 65° (1968) 0.02" NA
Mar 3 32° 54° 16° (1976) 69° (1968) 0.02" NA
Mar 4 32° 54° 11° (1960) 69° (1968) 0.02" NA
Mar 5 32° 55° 8° (1955) 68° (2005) 0.02" NA
Mar 6 32° 55° 21° (1955) 66° (1965) 0.02" NA
Mar 7 32° 56° 19° (1951) 72° (1979) 0.02" NA
Mar 8 33° 56° 19° (1974) 75° (2005) 0.02" NA
Mar 9 33° 56° 15° (1951) 72° (2004) 0.02" NA
Mar 10 33° 57° 21° (1962) 76° (2005) 0.02" NA
Mar 11 33° 57° 21° (1969) 71° (2005) 0.02" NA
Mar 12 33° 57° 18° (1956) 76° (2005) 0.02" NA
Mar 13 33° 58° 20° (1964) 72° (2004) 0.02" NA
Mar 14 34° 58° 22° (1959) 72° (1992) 0.02" NA
Mar 15 34° 58° 23° (1963) 72° (1992) 0.02" NA
Mar 16 34° 59° 22° (1955) 73° (1994) 0.02" NA
Mar 17 34° 59° 21° (1955) 75° (1972) 0.02" NA
Mar 18 34° 59° 16° (1965) 78° (2007) 0.02" NA
Mar 19 35° 60° 15° (1965) 75° (1978) 0.02" NA
Mar 20 35° 60° 19° (1955) 73° (1960) 0.02" NA
Mar 21 35° 60° 21° (1952) 75° (1960) 0.02" NA
Mar 22 35° 60° 21° (1952) 77° (1960) 0.02" NA
Mar 23 35° 61° 25° (1966) 80° (1960) 0.02" NA
Mar 24 35° 61° 18° (1965) 80° (1960) 0.02" NA
Mar 25 35° 61° 23° (1990) 79° (1960) 0.02" NA
Mar 26 36° 61° 22° (1972) 82° (1960) 0.02" NA
Mar 27 36° 62° 23° (1975) 74° (1966) 0.02" NA
Mar 28 36° 62° 21° (1975) 77° (1966) 0.02" NA
Mar 29 36° 62° 15° (1954) 78° (1966) 0.02" NA
Mar 30 36° 62° 19° (1954) 80° (1966) 0.02" NA
Mar 31 36° 63° 25° (1952) 77° (1964) 0.02" NA
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