Williston, North Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -19° -7° -41.1° (1916) 12.8° (1944) 0.54" 8.8"
February -14° -2° -45.6° (1936) 18.9° (1992) 0.39" 5.7"
March -8° -37.2° (1897) 28.9° (1910) 0.74" 7.4"
April -2° 13° -26.1° (1975) 33.3° (1980) 1.05" 3.7"
May 20° -12.2° (2005) 41.1° (1980) 1.88" 0.9"
June 10° 25° -3.3° (1998) 42.2° (1931) 2.36" 0"
July 13° 28° 1.1° (1967) 43.3° (1936) 2.28" 0"
August 12° 28° 0° (1911) 42.2° (1949) 1.48" 0"
September 21° -10.6° (1907) 40° (1983) 1.35" 0.3"
October -1° 14° -22.8° (2002) 33.9° (1963) 0.87" 1.7"
November -9° -32.8° (1996) 24.4° (1999) 0.65" 6.7"
December -17° -4° -45.6° (1983) 17.2° (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 1.7° 17.2° -7° (1909) 32° (1901) 0.05" NA
May 2 2.2° 17.2° -9° (1911) 34° (1982) 0.05" NA
May 3 2.2° 17.8° -12° (2005) 32° (1982) 0.05" NA
May 4 2.8° 17.8° -8° (2002) 33° (1918) 0.05" NA
May 5 2.8° 17.8° -6° (1929) 32° (1934) 0.05" NA
May 6 2.8° 18.3° -8° (1907) 32° (1992) 0.05" NA
May 7 3.3° 18.3° -7° (1980) 33° (1992) 0.05" NA
May 8 3.3° 18.3° -9° (1945) 35° (1934) 0.05" NA
May 9 3.9° 18.9° -6° (1909) 32° (1977) 0.05" NA
May 10 3.9° 18.9° -4° (1927) 32° (1900) 0.06" NA
May 11 3.9° 19.4° -8° (1980) 36° (1900) 0.06" NA
May 12 4.4° 19.4° -6° (1980) 34° (1960) 0.06" NA
May 13 4.4° 19.4° -8° (1899) 35° (2001) 0.06" NA
May 14 4.4° 20° -9° (1907) 34° (1903) 0.06" NA
May 15 20° -4° (1945) 36° (1936) 0.06" NA
May 16 20° -5° (1925) 34° (1934) 0.06" NA
May 17 20.6° -4° (2002) 37° (1901) 0.06" NA
May 18 5.6° 20.6° -2° (1993) 35° (1901) 0.06" NA
May 19 5.6° 20.6° -7° (1907) 34° (1992) 0.06" NA
May 20 5.6° 21.1° -5° (1997) 37° (1964) 0.06" NA
May 21 6.1° 21.1° -3° (1931) 39° (1980) 0.07" NA
May 22 6.1° 21.1° -2° (1963) 41° (1980) 0.07" NA
May 23 6.1° 21.7° -3° (2001) 35° (1980) 0.07" NA
May 24 6.7° 21.7° -5° (2002) 33° (1980) 0.07" NA
May 25 6.7° 21.7° -3° (1992) 34° (1931) 0.07" NA
May 26 6.7° 22.2° -3° (1907) 37° (1934) 0.07" NA
May 27 7.2° 22.2° -2° (1947) 38° (1900) 0.07" NA
May 28 7.2° 22.2° -6° (1947) 36° (1919) 0.07" NA
May 29 7.2° 22.2° -3° (1947) 37° (1988) 0.07" NA
May 30 7.8° 22.8° -1° (1907) 37° (1984) 0.07" NA
May 31 7.8° 22.8° -1° (1998) 34° (1986) 0.07" NA
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