North Prosser, Washington
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 25° 41° -18° (1957) 69° (1971) 0.96" NA
February 29° 48° -20° (1950) 69° (1988) 0.7" NA
March 34° 58° 6° (1955) 81° (1960) 0.67" NA
April 39° 66° 14° (1935) 91° (1977) 0.64" NA
May 45° 75° 26° (1954) 100° (2001) 0.65" NA
June 51° 82° 32° (1934) 105° (1992) 0.56" NA
July 55° 89° 37° (1971) 111° (2002) 0.24" NA
August 54° 89° 36° (2000) 106° (1998) 0.35" NA
September 47° 80° 21° (2000) 99° (2003) 0.48" NA
October 38° 68° 11° (1935) 90° (1932) 0.65" NA
November 32° 51° -7° (1985) 76° (1999) 1.03" NA
December 26° 41° -14° (1983) 66° (1987) 1.18" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 42° 71° 26° (1954) 90° (1998) 0.02" NA
May 2 42° 71° 26° (1938) 90° (1998) 0.02" NA
May 3 43° 71° 28° (1949) 88° (1937) 0.02" NA
May 4 43° 71° 28° (1949) 87° (1966) 0.02" NA
May 5 43° 72° 29° (1939) 91° (1966) 0.02" NA
May 6 43° 72° 28° (1938) 94° (1966) 0.02" NA
May 7 43° 72° 29° (1938) 97° (1987) 0.02" NA
May 8 44° 72° 27° (1999) 95° (1987) 0.02" NA
May 9 44° 73° 29° (1999) 93° (1987) 0.02" NA
May 10 44° 73° 29° (1935) 93° (1936) 0.02" NA
May 11 44° 73° 29° (1985) 94° (1993) 0.02" NA
May 12 45° 74° 30° (1943) 99° (1993) 0.02" NA
May 13 45° 74° 30° (1955) 96° (1931) 0.02" NA
May 14 45° 74° 30° (1943) 95° (1939) 0.02" NA
May 15 45° 74° 31° (1974) 94° (1939) 0.02" NA
May 16 45° 75° 30° (1974) 92° (1973) 0.02" NA
May 17 46° 75° 30° (1971) 98° (2006) 0.02" NA
May 18 46° 75° 30° (1941) 98° (2006) 0.02" NA
May 19 46° 75° 32° (1975) 98° (2006) 0.02" NA
May 20 46° 76° 32° (1934) 89° (1947) 0.02" NA
May 21 47° 76° 32° (1960) 90° (1958) 0.02" NA
May 22 47° 76° 32° (1944) 92° (1958) 0.02" NA
May 23 47° 76° 32° (1950) 95° (1958) 0.02" NA
May 24 47° 77° 34° (1932) 100° (2001) 0.02" NA
May 25 47° 77° 34° (1964) 97° (1947) 0.02" NA
May 26 48° 77° 32° (1940) 98° (1936) 0.02" NA
May 27 48° 77° 33° (1955) 97° (1934) 0.02" NA
May 28 48° 77° 33° (1976) 99° (1934) 0.02" NA
May 29 48° 78° 32° (1951) 97° (1983) 0.03" NA
May 30 48° 78° 34° (1939) 100° (1983) 0.03" NA
May 31 48° 78° 32° (1955) 93° (1931) 0.03" NA
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