Diamond, Oregon
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 19° 37° -33° (1962) 61° (1992) 0.95" 5.1"
February 22° 42° -16° (1985) 67° (1995) 0.79" 3.1"
March 27° 51° -9° (1993) 76° (1966) 0.99" 1.7"
April 31° 58° 7° (1968) 86° (1977) 0.98" 0.3"
May 39° 67° 19° (2002) 93° (1983) 1.38" 0.2"
June 44° 75° 19° (1987) 100° (1961) 0.71" 0"
July 50° 84° 29° (1968) 104° (2003) 0.39" 0"
August 48° 82° 27° (1992) 104° (1961) 0.22" 0"
September 40° 74° 16° (1972) 95° (1967) 0.45" 0"
October 31° 62° 3° (1971) 97° (1996) 0.73" 0.2"
November 24° 46° -9° (1993) 73° (1975) 1.3" 3.7"
December 18° 37° -30° (1972) 63° (1979) 1.11" 8.9"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 35° 63° 19° (1972) 81° (1976) 0.04" 0"
May 2 35° 63° 19° (1988) 80° (1966) 0.04" 0"
May 3 35° 63° 19° (1964) 84° (1966) 0.03" 0"
May 4 35° 64° 19° (2010) 88° (1966) 0.04" 0"
May 5 36° 64° 20° (1965) 87° (1966) 0.04" 0.1"
May 6 36° 64° 19° (1986) 90° (1992) 0.05" 0"
May 7 36° 65° 19° (2002) 87° (1992) 0.04" 0"
May 8 37° 65° 24° (1999) 89° (1987) 0.04" 0"
May 9 37° 65° 22° (1988) 81° (1987) 0.04" 0"
May 10 37° 65° 26° (1991) 83° (1997) 0.04" 0"
May 11 38° 66° 23° (1970) 88° (1993) 0.04" 0"
May 12 38° 66° 26° (1970) 87° (1993) 0.05" 0"
May 13 38° 66° 24° (2009) 93° (1976) 0.04" 0"
May 14 38° 67° 23° (1974) 86° (1973) 0.04" 0"
May 15 39° 67° 24° (1966) 85° (1973) 0.04" 0.1"
May 16 39° 67° 29° (1959) 92° (2008) 0.05" 0"
May 17 39° 67° 24° (1971) 87° (1973) 0.04" 0"
May 18 39° 68° 25° (1971) 92° (2008) 0.05" 0"
May 19 40° 68° 28° (1959) 85° (2009) 0.05" 0"
May 20 40° 68° 26° (1971) 84° (2008) 0.05" 0"
May 21 40° 68° 29° (1960) 87° (1967) 0.04" 0"
May 22 40° 69° 25° (1960) 88° (1967) 0.05" 0"
May 23 40° 69° 24° (1999) 91° (2001) 0.05" 0"
May 24 41° 69° 27° (1990) 90° (2001) 0.05" 0"
May 25 41° 69° 25° (1975) 90° (1992) 0.05" 0"
May 26 41° 70° 30° (1964) 86° (2001) 0.05" 0"
May 27 41° 70° 28° (1973) 85° (1983) 0.05" 0"
May 28 41° 70° 28° (1974) 93° (1983) 0.05" 0"
May 29 41° 70° 28° (1977) 89° (1983) 0.05" 0"
May 30 41° 70° 30° (1985) 87° (1986) 0.04" 0"
May 31 42° 71° 29° (2000) 92° (1977) 0.05" 0"
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