Lewiston, California
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 31° 47° 12° (2007) 65° (2005) 5.94" NA
February 33° 53° 10° (1989) 75° (1992) 5.26" NA
March 35° 59° 20° (1985) 84° (1986) 4.93" NA
April 37° 66° 23° (1999) 94° (1981) 2.04" NA
May 42° 75° 27° (1988) 100° (1984) 1.42" NA
June 48° 84° 33° (1982) 108° (2006) 0.63" NA
July 52° 92° 37° (1976) 113° (2002) 0.21" NA
August 51° 91° 38° (1999) 113° (1981) 0.25" NA
September 45° 85° 32° (2004) 108° (1998) 0.84" NA
October 39° 73° 23° (2002) 99° (1980) 1.91" NA
November 35° 55° 15° (1993) 77° (1987) 4.44" NA
December 31° 47° 4° (1990) 67° (1976) 4.96" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 39° 70° 28° (1988) 91° (1981) 0.05" NA
May 2 39° 71° 28° (1988) 87° (1996) 0.05" NA
May 3 39° 71° 33° (1996) 90° (2004) 0.05" NA
May 4 40° 71° 27° (1988) 90° (2004) 0.05" NA
May 5 40° 71° 31° (1975) 93° (1990) 0.05" NA
May 6 40° 72° 31° (1981) 96° (1992) 0.05" NA
May 7 40° 72° 34° (1977) 96° (1987) 0.05" NA
May 8 41° 72° 31° (1977) 93° (1992) 0.05" NA
May 9 41° 73° 29° (1983) 93° (2001) 0.05" NA
May 10 41° 73° 29° (1983) 90° (1987) 0.05" NA
May 11 41° 73° 28° (1983) 93° (2001) 0.05" NA
May 12 41° 74° 32° (2000) 92° (1987) 0.05" NA
May 13 42° 74° 33° (1999) 93° (1976) 0.05" NA
May 14 42° 74° 35° (1990) 89° (1979) 0.05" NA
May 15 42° 75° 31° (1999) 92° (2006) 0.05" NA
May 16 42° 75° 32° (1977) 93° (2006) 0.05" NA
May 17 42° 75° 30° (1977) 97° (2006) 0.05" NA
May 18 43° 75° 33° (1991) 98° (2006) 0.05" NA
May 19 43° 76° 33° (1989) 92° (1979) 0.05" NA
May 20 43° 76° 34° (1976) 94° (1979) 0.04" NA
May 21 43° 76° 34° (1975) 93° (2001) 0.04" NA
May 22 43° 77° 31° (1986) 96° (2000) 0.04" NA
May 23 43° 77° 34° (1980) 96° (2001) 0.04" NA
May 24 44° 77° 35° (1980) 97° (2003) 0.04" NA
May 25 44° 78° 33° (1980) 96° (1982) 0.04" NA
May 26 44° 78° 36° (1980) 99° (1982) 0.04" NA
May 27 44° 78° 33° (1977) 96° (1983) 0.04" NA
May 28 44° 78° 33° (1977) 96° (1983) 0.04" NA
May 29 45° 79° 35° (1988) 100° (1984) 0.04" NA
May 30 45° 79° 33° (1988) 98° (1986) 0.04" NA
May 31 45° 79° 32° (1988) 99° (1986) 0.03" NA
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