Lewiston, Idaho
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 28° 39° -22° (1950) 66° (1953) 1.14" 3.9"
February 31° 46° -18° (1884) 72° (1986) 0.95" 2.4"
March 36° 54° 2° (1955) 80° (1923) 1.12" 0.7"
April 41° 62° 20° (1966) 99° (1946) 1.31" 0.1"
May 47° 70° 23° (1954) 104° (1934) 1.56" 0"
June 54° 78° 34° (1951) 109° (1936) 1.16" 0"
July 59° 88° 41° (1955) 117° (1939) 0.72" 0"
August 59° 88° 41° (1992) 115° (1961) 0.75" 0"
September 51° 77° 27° (1926) 108° (1944) 0.81" 0"
October 41° 62° 15° (2002) 94° (1943) 0.96" 0.1"
November 34° 47° -3° (1955) 77° (1999) 1.21" 1.8"
December 28° 39° -23° (1919) 67° (1921) 1.05" 3.5"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 56° 83° 44° (1999) 102° (1938) 0.02" NA
Sep 2 56° 83° 43° (1999) 105° (1938) 0.02" NA
Sep 3 55° 82° 39° (1956) 103° (1938) 0.02" NA
Sep 4 55° 82° 39° (1956) 101° (1942) 0.02" NA
Sep 5 55° 81° 40° (1956) 103° (1944) 0.02" NA
Sep 6 54° 81° 36° (1895) 108° (1944) 0.02" NA
Sep 7 54° 81° 38° (1960) 106° (1944) 0.02" NA
Sep 8 53° 80° 37° (1962) 102° (1944) 0.02" NA
Sep 9 53° 80° 40° (1959) 103° (1944) 0.02" NA
Sep 10 53° 79° 33° (1895) 102° (1944) 0.03" NA
Sep 11 52° 79° 36° (1895) 103° (1944) 0.03" NA
Sep 12 52° 78° 36° (1970) 98° (1944) 0.03" NA
Sep 13 52° 78° 33° (1970) 99° (1937) 0.03" NA
Sep 14 51° 77° 32° (1970) 100° (1937) 0.03" NA
Sep 15 51° 77° 35° (1970) 101° (1937) 0.03" NA
Sep 16 51° 77° 35° (1965) 97° (1981) 0.03" NA
Sep 17 50° 76° 28° (1965) 101° (1938) 0.03" NA
Sep 18 50° 76° 35° (1965) 101° (1938) 0.03" NA
Sep 19 50° 75° 30° (1895) 100° (1922) 0.03" NA
Sep 20 49° 75° 34° (1983) 102° (1939) 0.03" NA
Sep 21 49° 74° 29° (1895) 101° (1967) 0.03" NA
Sep 22 49° 74° 34° (1955) 99° (1966) 0.03" NA
Sep 23 48° 73° 31° (2000) 97° (2001) 0.03" NA
Sep 24 48° 73° 27° (1926) 94° (1943) 0.03" NA
Sep 25 48° 72° 28° (1926) 95° (1943) 0.03" NA
Sep 26 47° 72° 30° (1934) 94° (1914) 0.03" NA
Sep 27 47° 71° 35° (1945) 93° (1963) 0.03" NA
Sep 28 47° 71° 33° (1985) 95° (1963) 0.03" NA
Sep 29 46° 71° 31° (1985) 88° (1963) 0.03" NA
Sep 30 46° 70° 30° (1954) 89° (1976) 0.03" NA
Advertisements
Track Severe Weather on mobile