Williston Weather Records

Williston, North Dakota weather averages and records from 1894–2024 based on data made available by the NOAA.
All-Time Recorded High
The highest temperature ever recorded in Williston, North Dakota was 110 °F which occurred on July 5, 1936.
Highest Temperatures: All-Time By Year
All-Time Recorded Low
The lowest temperature ever recorded in Williston, North Dakota was -50 °F which occurred on February 16, 1936.
Lowest Temperatures: All-Time By Year
Williston Weather by Month
Averages based on the years 1991–2020
Month Average (°F) Record (°F) Average (inches)
High ☀️ Low 🌙 High ☀️ Low 🌙 Precipitation 💧 Snow ❄️
January 24.5 4.7 58 -42 0.4 7.4
February 29.3 8.6 66 -50 0.3 5.8
March 43.1 19.9 84 -35 0.5 4.4
April 58.3 31.3 93 -14 1.1 2.5
May 69.9 42.7 102 14 2.1 0.9
June 77.9 52.1 108 30 2.8 0.0
July 85.5 57.6 110 35 2.6 0.0
August 85.7 56.0 108 32 1.7 0.0
September 75.4 46.4 105 13 1.4 0.0
October 58.8 33.9 93 -3 1.0 2.5
November 40.6 20.6 76 -26 0.5 5.7
December 27.9 9.4 63 -40 0.4 7.9
Entire year 56.6 32.0 110 -50 14.7 37.9
More Williston Weather Records
1894–2024
Highest daily low 79 °F August 13, 1965
Lowest daily high -28 °F February 16, 1936
Greatest daily range
(Difference of high and low)
65 °F April 30, 2021
Greatest difference in daily high
over two conscutive days
53 °F Feb 20–21, 2022
Most daily precipitation 3.8 inches July 3, 1993
Most monthly precipitation 8.8 inches June 1901
Most yearly precipitation 22.5 inches 1993
Most yearly days with precipitation 119 1927
Earliest snow in season September 12 1903
Latest snow in season May 26 1965
Most daily snow 15.0 inches May 12, 1983
Most monthly snow 29.8 inches December 2010
Most yearly snow 87.2 inches 1896
Most snow in a winter 97.5 inches 2010–2011
Greatest snow accumulation 27.0 inches February 8, 2004
Earliest freeze September 2 1974
Earliest day ≥ 80 °F March 22 1910
Earliest day ≥ 90 °F April 20 1980
Earliest day ≥ 100 °F May 22 1980
Latest freeze June 16 1915
Latest day ≥ 80 °F October 28 1937
Latest day ≥ 90 °F October 10 1955
Latest day ≥ 100 °F September 15 1948
Most days in a year < 0 °F 74 1899
Most days in a year < 32 °F 215 1907
Most days in a year ≥ 80 °F 108 1988
Most days in a year ≥ 90 °F 56 1988
Most days in a year ≥ 100 °F 20 1988
Most days in a year ≥ 110 °F 1 1936
Williston Weather Streaks
Most consecutive days...
With precipitation 9 days Apr 29 – May 7, 2010
Without precipitation 62 days Sep 20 – Nov 20, 1963
With snow 8 days Jan 17–24, 1948
High temperature at or
below freezing
68 days Dec 23, 1935 – Feb 28, 1936
High temperature ≥ 80 °F 56 days Jun 23 – Aug 17, 2006
High temperature ≥ 90 °F 16 days Jul 8–23, 2012
High temperature ≥ 100 °F 6 days Aug 12–17, 2003
Plant Hardiness Zone
4A
Williston is in plant hardiness zone 4A
based on average yearly minimum temperature from 1991–2020
Facts About Williston Weather
Williston Weather by Year
More Williston Weather
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Weather Station Details
Years Station Coordinates
1957–2024 Williston Experimental Farm location
1894–1956 Sloulin Field International Airport location