Keystone, Nebraska
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 16° 37° -22° (1984) 70° (1997) 0.36" 5.4"
February 18° 42° -18° (1996) 79° (1962) 0.62" 4.7"
March 26° 51° -21° (1960) 87° (2004) 1.08" 5.5"
April 35° 61° 5° (1975) 93° (1989) 2.03" 2.4"
May 46° 71° 23° (1954) 101° (2003) 3.03" 0"
June 56° 81° 33° (1951) 107° (1954) 3.27" 0"
July 61° 89° 44° (1971) 111° (1954) 2.94" 0"
August 60° 86° 40° (1987) 108° (2002) 1.89" 0"
September 50° 77° 24° (1984) 102° (1960) 1.71" 0.2"
October 38° 63° 7° (1991) 96° (2005) 1.27" 0.7"
November 26° 48° -7° (1952) 80° (2007) 0.65" 5.9"
December 17° 37° -25° (1989) 70° (1959) 0.46" 5.4"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 56° 83° 40° (1956) 100° (1960) 0.05" 0"
Sep 2 56° 83° 42° (2008) 101° (1960) 0.06" 0"
Sep 3 55° 82° 34° (1974) 102° (1960) 0.06" 0"
Sep 4 55° 82° 40° (1961) 101° (1998) 0.06" 0"
Sep 5 55° 82° 39° (1962) 101° (1960) 0.06" 0"
Sep 6 54° 81° 35° (1956) 101° (1959) 0.07" 0"
Sep 7 54° 81° 35° (2010) 102° (1959) 0.06" 0"
Sep 8 53° 81° 42° (2008) 100° (1955) 0.06" 0"
Sep 9 53° 80° 36° (1962) 99° (1964) 0.07" 0"
Sep 10 53° 80° 35° (1962) 99° (1974) 0.06" 0"
Sep 11 52° 79° 37° (1989) 98° (1998) 0.06" 0"
Sep 12 52° 79° 32° (1989) 97° (1998) 0.05" 0"
Sep 13 51° 78° 33° (1974) 99° (1990) 0.06" 0"
Sep 14 51° 78° 35° (1993) 99° (1990) 0.06" 0"
Sep 15 50° 78° 37° (2008) 97° (1955) 0.05" 0"
Sep 16 50° 77° 35° (1965) 94° (1997) 0.06" 0"
Sep 17 49° 77° 33° (1965) 96° (1955) 0.06" 0"
Sep 18 49° 76° 34° (1991) 97° (1972) 0.05" 0.1"
Sep 19 49° 76° 34° (1991) 95° (1984) 0.06" 0"
Sep 20 48° 75° 30° (1983) 96° (1956) 0.05" 0"
Sep 21 48° 75° 31° (1983) 94° (2010) 0.06" 0"
Sep 22 47° 74° 30° (1995) 97° (2005) 0.06" 0"
Sep 23 47° 74° 30° (1995) 91° (1958) 0.05" 0"
Sep 24 46° 73° 29° (1965) 91° (2007) 0.05" 0"
Sep 25 46° 73° 31° (2000) 93° (1967) 0.06" 0"
Sep 26 45° 72° 28° (1965) 91° (1949) 0.05" 0"
Sep 27 45° 72° 30° (1967) 95° (1953) 0.05" 0.1"
Sep 28 44° 71° 26° (1951) 94° (2005) 0.06" 0"
Sep 29 44° 71° 24° (1984) 90° (1957) 0.05" 0"
Sep 30 44° 71° 28° (1974) 93° (1967) 0.05" 0"
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