Williston, North Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -3° 19° -42° (1916) 55° (1944) 0.54" 8.8"
February 28° -50° (1936) 66° (1992) 0.39" 5.7"
March 17° 40° -35° (1897) 84° (1910) 0.74" 7.4"
April 29° 56° -15° (1975) 92° (1980) 1.05" 3.7"
May 41° 68° 10° (2005) 106° (1980) 1.88" 0.9"
June 50° 77° 26° (1998) 108° (1931) 2.36" 0"
July 55° 83° 34° (1967) 110° (1936) 2.28" 0"
August 54° 83° 32° (1911) 108° (1949) 1.48" 0"
September 42° 70° 13° (1907) 104° (1983) 1.35" 0.3"
October 30° 57° -9° (2002) 93° (1963) 0.87" 1.7"
November 15° 36° -27° (1996) 76° (1999) 0.65" 6.7"
December 24° -50° (1983) 63° (1939) 0.57" 8.2"
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" NA
May 2 36° 63° 16° (1911) 94° (1982) 0.05" NA
May 3 36° 64° 10° (2005) 90° (1982) 0.05" NA
May 4 37° 64° 17° (2002) 91° (1918) 0.05" NA
May 5 37° 64° 21° (1929) 89° (1934) 0.05" NA
May 6 37° 65° 17° (1907) 89° (1992) 0.05" NA
May 7 38° 65° 19° (1980) 91° (1992) 0.05" NA
May 8 38° 65° 15° (1945) 95° (1934) 0.05" NA
May 9 39° 66° 21° (1909) 90° (1977) 0.05" NA
May 10 39° 66° 25° (1927) 90° (1900) 0.06" NA
May 11 39° 67° 17° (1980) 96° (1900) 0.06" NA
May 12 40° 67° 22° (1980) 93° (1960) 0.06" NA
May 13 40° 67° 17° (1899) 95° (2001) 0.06" NA
May 14 40° 68° 15° (1907) 93° (1903) 0.06" NA
May 15 41° 68° 25° (1945) 96° (1936) 0.06" NA
May 16 41° 68° 23° (1925) 94° (1934) 0.06" NA
May 17 41° 69° 24° (2002) 98° (1901) 0.06" NA
May 18 42° 69° 29° (1993) 95° (1901) 0.06" NA
May 19 42° 69° 20° (1907) 93° (1992) 0.06" NA
May 20 42° 70° 23° (1997) 98° (1964) 0.06" NA
May 21 43° 70° 26° (1931) 102° (1980) 0.07" NA
May 22 43° 70° 28° (1963) 106° (1980) 0.07" NA
May 23 43° 71° 27° (2001) 95° (1980) 0.07" NA
May 24 44° 71° 23° (2002) 92° (1980) 0.07" NA
May 25 44° 71° 27° (1992) 93° (1931) 0.07" NA
May 26 44° 72° 26° (1907) 98° (1934) 0.07" NA
May 27 45° 72° 28° (1947) 101° (1900) 0.07" NA
May 28 45° 72° 21° (1947) 96° (1919) 0.07" NA
May 29 45° 72° 26° (1947) 99° (1988) 0.07" NA
May 30 46° 73° 30° (1907) 98° (1984) 0.07" NA
May 31 46° 73° 31° (1998) 93° (1986) 0.07" NA
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