Plain, Washington
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 17° 34° -25° (1950) 64° (1971) 4.4" NA
February 22° 42° -25° (1950) 64° (1988) 3.23" NA
March 27° 52° -6° (1955) 76° (1994) 2.09" NA
April 33° 62° 19° (1972) 88° (1987) 1.1" NA
May 40° 71° 24° (2002) 101° (1986) 0.85" NA
June 46° 79° 31° (1954) 105° (1992) 0.84" NA
July 51° 87° 34° (1963) 107° (1979) 0.39" NA
August 50° 88° 30° (1980) 108° (1967) 0.58" NA
September 42° 79° 24° (1983) 102° (1988) 0.75" NA
October 33° 64° 11° (2002) 91° (1958) 1.74" NA
November 27° 44° -10° (1959) 68° (1989) 4.27" NA
December 19° 34° -36° (1968) 60° (1967) 4.83" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Feb 1 19° 37° -25° (1950) 55° (1971) 0.13" NA
Feb 2 19° 38° -24° (1950) 51° (1971) 0.13" NA
Feb 3 19° 38° -23° (1950) 57° (1962) 0.13" NA
Feb 4 20° 38° -15° (1989) 56° (1967) 0.13" NA
Feb 5 20° 39° -14° (1989) 49° (1987) 0.13" NA
Feb 6 20° 39° -6° (1989) 55° (1967) 0.13" NA
Feb 7 20° 39° -4° (1969) 52° (1995) 0.13" NA
Feb 8 20° 40° -3° (1985) 56° (1967) 0.12" NA
Feb 9 21° 40° -1° (1989) 55° (1967) 0.12" NA
Feb 10 21° 40° -5° (1981) 55° (1990) 0.12" NA
Feb 11 21° 41° -5° (1981) 54° (1967) 0.12" NA
Feb 12 21° 41° -5° (1949) 52° (1957) 0.12" NA
Feb 13 21° 41° -11° (1949) 56° (1957) 0.12" NA
Feb 14 22° 42° 2° (1995) 57° (1997) 0.12" NA
Feb 15 22° 42° -10° (1956) 56° (1996) 0.12" NA
Feb 16 22° 43° -14° (1956) 55° (1960) 0.11" NA
Feb 17 22° 43° -1° (1956) 57° (2007) 0.11" NA
Feb 18 22° 43° -3° (1956) 57° (2007) 0.11" NA
Feb 19 22° 44° 1° (2006) 56° (1988) 0.11" NA
Feb 20 23° 44° -3° (1986) 58° (1963) 0.11" NA
Feb 21 23° 44° -7° (1957) 62° (1988) 0.11" NA
Feb 22 23° 45° 7° (1957) 64° (1988) 0.11" NA
Feb 23 23° 45° 9° (1956) 61° (1964) 0.1" NA
Feb 24 23° 45° 4° (1993) 58° (1964) 0.1" NA
Feb 25 24° 46° 2° (1993) 58° (1991) 0.1" NA
Feb 26 24° 46° -1° (1993) 61° (1995) 0.1" NA
Feb 27 24° 46° 0° (1993) 60° (1957) 0.1" NA
Feb 28 24° 47° 4° (1971) 62° (1991) 0.09" NA
Feb 29 24° 47° 4° (1960) 62° (1988) 0.09" NA
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