Diablo, Washington
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 30° 39° 2° (1979) 63° (1974) 11.62" NA
February 32° 43° 2° (1989) 61° (1968) 8.75" NA
March 34° 49° 16° (1989) 75° (2004) 7.1" NA
April 38° 57° 25° (1982) 89° (1977) 4.71" NA
May 44° 64° 31° (2006) 101° (1983) 3.53" NA
June 48° 69° 35° (1976) 96° (1967) 2.8" NA
July 52° 76° 41° (1986) 107° (1965) 2.07" NA
August 53° 76° 40° (1980) 108° (1965) 1.82" NA
September 49° 70° 33° (1972) 98° (1988) 3.26" NA
October 43° 57° 20° (1984) 80° (1975) 7.32" NA
November 36° 45° 7° (1985) 74° (1969) 13.46" NA
December 31° 39° -4° (1968) 58° (1980) 13.06" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jan 1 30° 38° 2° (1979) 53° (1959) 0.39" NA
Jan 2 30° 38° 11° (1959) 53° (1963) 0.39" NA
Jan 3 30° 38° 7° (1959) 51° (2007) 0.39" NA
Jan 4 30° 38° 7° (1959) 49° (1984) 0.39" NA
Jan 5 30° 38° 9° (2004) 55° (1984) 0.39" NA
Jan 6 30° 38° 9° (1982) 48° (1961) 0.39" NA
Jan 7 30° 38° 10° (1982) 49° (1963) 0.39" NA
Jan 8 30° 38° 17° (1973) 51° (1983) 0.39" NA
Jan 9 30° 38° 19° (1973) 50° (1962) 0.39" NA
Jan 10 30° 39° 12° (1963) 47° (2001) 0.38" NA
Jan 11 30° 39° 9° (1963) 52° (1986) 0.38" NA
Jan 12 30° 39° 9° (1963) 50° (1961) 0.38" NA
Jan 13 30° 39° 11° (1971) 49° (1981) 0.38" NA
Jan 14 30° 39° 13° (1971) 50° (1986) 0.38" NA
Jan 15 30° 39° 17° (1971) 63° (1974) 0.38" NA
Jan 16 30° 39° 20° (2005) 60° (1974) 0.38" NA
Jan 17 30° 39° 25° (1979) 50° (1981) 0.38" NA
Jan 18 30° 39° 19° (1962) 49° (1959) 0.37" NA
Jan 19 30° 39° 11° (1962) 51° (1961) 0.37" NA
Jan 20 30° 39° 11° (1962) 55° (1981) 0.37" NA
Jan 21 30° 39° 15° (1962) 55° (1981) 0.37" NA
Jan 22 30° 39° 11° (1969) 55° (1981) 0.37" NA
Jan 23 30° 40° 7° (1969) 55° (1981) 0.37" NA
Jan 24 30° 40° 7° (1969) 50° (1975) 0.36" NA
Jan 25 30° 40° 12° (1969) 55° (2005) 0.36" NA
Jan 26 31° 40° 8° (1972) 52° (2005) 0.36" NA
Jan 27 31° 40° 7° (1969) 56° (2003) 0.36" NA
Jan 28 31° 40° 5° (1969) 49° (2005) 0.36" NA
Jan 29 31° 40° 4° (1969) 50° (1962) 0.35" NA
Jan 30 31° 40° 8° (1969) 49° (1962) 0.35" NA
Jan 31 31° 40° 8° (1996) 51° (1962) 0.35" NA
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