Williston, North Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 22° -42° (1916) 55° (1944) 0.59" 10"
February 28° -50° (1936) 66° (1992) 0.41" 5.7"
March 18° 40° -35° (1897) 84° (1910) 0.71" 6.2"
April 30° 57° -15° (1975) 92° (1980) 1" 3.7"
May 41° 68° 10° (2005) 106° (1980) 1.92" 1.3"
June 50° 77° 26° (1998) 108° (1931) 2.52" 0"
July 56° 84° 34° (1967) 110° (1936) 2.54" 0"
August 54° 84° 32° (1911) 108° (1949) 1.45" 0"
September 42° 71° 13° (1907) 104° (1983) 1.06" 0.2"
October 30° 56° -9° (2002) 93° (1963) 0.92" 2.6"
November 17° 38° -27° (1996) 76° (1999) 0.65" 6.1"
December 24° -50° (1983) 63° (1939) 0.62" 9.5"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 35° 63° 20° (1909) 89° (1901) 0.05" 0.1"
May 2 36° 64° 16° (1911) 94° (1982) 0.05" 0.1"
May 3 36° 64° 10° (2005) 90° (1982) 0.05" 0"
May 4 36° 64° 17° (2002) 91° (1918) 0.05" 0.1"
May 5 37° 65° 21° (1929) 89° (1934) 0.04" 0.1"
May 6 37° 65° 17° (1907) 89° (1992) 0.05" 0"
May 7 37° 65° 19° (1980) 91° (1992) 0.05" 0.1"
May 8 38° 66° 15° (1945) 95° (1934) 0.06" 0"
May 9 38° 66° 21° (1909) 90° (1977) 0.05" 0.1"
May 10 39° 66° 25° (1927) 90° (1900) 0.06" 0.1"
May 11 39° 66° 17° (1980) 96° (1900) 0.05" 0"
May 12 39° 67° 22° (1980) 93° (1960) 0.06" 0.1"
May 13 40° 67° 17° (1899) 95° (2001) 0.06" 0"
May 14 40° 67° 15° (1907) 93° (1903) 0.06" 0.1"
May 15 40° 67° 25° (1945) 96° (1936) 0.06" 0"
May 16 41° 68° 21° (2009) 94° (1934) 0.06" 0.1"
May 17 41° 68° 24° (2002) 98° (1901) 0.06" 0"
May 18 41° 68° 29° (1993) 95° (1901) 0.07" 0.1"
May 19 42° 69° 20° (1907) 93° (1992) 0.07" 0"
May 20 42° 69° 23° (1997) 98° (1964) 0.07" 0"
May 21 42° 69° 26° (2009) 102° (1980) 0.06" 0.1"
May 22 43° 69° 28° (1963) 106° (1980) 0.07" 0"
May 23 43° 70° 27° (2001) 95° (1980) 0.07" 0"
May 24 43° 70° 23° (2002) 92° (1980) 0.07" 0.1"
May 25 44° 70° 27° (1992) 93° (1931) 0.07" 0"
May 26 44° 71° 26° (1907) 98° (1934) 0.07" 0"
May 27 44° 71° 28° (1947) 101° (1900) 0.07" 0"
May 28 45° 71° 21° (1947) 96° (1919) 0.08" 0"
May 29 45° 71° 26° (1947) 99° (1988) 0.07" 0"
May 30 45° 72° 30° (1907) 98° (1984) 0.08" 0"
May 31 45° 72° 31° (1998) 93° (1986) 0.08" 0"
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