Keystone, Nebraska
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 13° 37° -22° (1984) 70° (1997) 0.49" 6.5"
February 17° 44° -18° (1996) 79° (1962) 0.58" 5.6"
March 25° 52° -21° (1960) 87° (2004) 1.46" 10"
April 35° 63° 5° (1975) 93° (1989) 1.87" 4.6"
May 47° 73° 23° (1954) 101° (2003) 3.36" 0.3"
June 56° 84° 33° (1951) 107° (1954) 3.07" 0"
July 62° 91° 44° (1971) 111° (1954) 2.59" 0"
August 60° 89° 40° (1987) 108° (2002) 1.87" 0"
September 50° 80° 24° (1984) 102° (1960) 1.5" 0.1"
October 38° 68° 7° (1991) 95° (1967) 1.06" 1"
November 25° 50° -7° (1952) 80° (2007) 0.82" 6.4"
December 17° 40° -25° (1989) 70° (1959) 0.41" 6.8"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 41° 68° 26° (1989) 95° (1992) 0.09" NA
May 2 41° 68° 27° (1954) 92° (1992) 0.09" NA
May 3 42° 68° 23° (1954) 85° (1949) 0.09" NA
May 4 42° 69° 26° (1967) 94° (1949) 0.09" NA
May 5 43° 69° 30° (1967) 95° (2004) 0.1" NA
May 6 43° 69° 27° (1976) 92° (1979) 0.1" NA
May 7 43° 69° 28° (1972) 91° (1963) 0.1" NA
May 8 44° 70° 34° (1980) 94° (2004) 0.1" NA
May 9 44° 70° 32° (1990) 97° (2004) 0.1" NA
May 10 44° 70° 28° (1979) 90° (1962) 0.11" NA
May 11 45° 71° 30° (1979) 95° (1962) 0.11" NA
May 12 45° 71° 26° (1953) 91° (1962) 0.11" NA
May 13 46° 71° 24° (1953) 89° (2007) 0.11" NA
May 14 46° 72° 29° (1953) 92° (2007) 0.11" NA
May 15 46° 72° 31° (1983) 90° (2001) 0.11" NA
May 16 47° 73° 36° (1973) 95° (1996) 0.11" NA
May 17 47° 73° 35° (2004) 95° (1964) 0.11" NA
May 18 47° 73° 37° (1986) 95° (1970) 0.11" NA
May 19 48° 74° 34° (1983) 94° (1974) 0.11" NA
May 20 48° 74° 34° (1968) 98° (2006) 0.12" NA
May 21 48° 74° 34° (1963) 98° (2005) 0.12" NA
May 22 49° 75° 33° (1963) 95° (1966) 0.12" NA
May 23 49° 75° 35° (1959) 91° (1967) 0.12" NA
May 24 49° 76° 38° (1966) 97° (1967) 0.12" NA
May 25 50° 76° 35° (2002) 94° (1964) 0.12" NA
May 26 50° 76° 32° (1992) 92° (1969) 0.12" NA
May 27 50° 77° 33° (1950) 94° (1974) 0.12" NA
May 28 51° 77° 37° (2005) 100° (2006) 0.11" NA
May 29 51° 78° 38° (1954) 98° (2006) 0.11" NA
May 30 51° 78° 42° (1975) 101° (2003) 0.11" NA
May 31 52° 78° 37° (1964) 100° (1994) 0.11" NA
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