Williams County Climate
Williams County, North Dakota
Avg Annual Temp
42.4°F
Annual Precip
15.1"
Annual Snowfall
43.7"
Extreme Heat Days
21.46666666666667
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Williams County Weather
Warmer and Drier Than Regional Peers
Williams County averages 42.4°F annually, which is warmer than its neighbors but still well below the national median. This area features a semi-arid influence with significantly less rainfall than most of the United States.
Surpassing the State Temperature Average
At 42.4°F, Williams County is warmer than the 41.0°F state average for North Dakota. It is notably dry, receiving only 15.1 inches of precipitation annually compared to the state's 19.5-inch average.
Double the Heat of Neighbors
Williams County records 21 days of extreme heat over 90°F, more than double the 10 days seen in Wells County. Its 43.7 inches of annual snow falls between the levels of its western and eastern neighbors.
Sunnier Summers and Steadier Winters
July averages 70.5°F, contributing to a summer average of 68.0°F that is among the highest in the region. Winter temperatures average 15.2°F, which is relatively mild by North Dakota standards.
Water Conservation and Heat Prep
The low 15.1-inch annual precipitation makes drought-resistant landscaping a smart choice for residents. Homeowners should also prepare for three weeks of 90-degree days, requiring efficient cooling systems alongside winter heating.
Frequently Asked Questions
What is the average temperature in Williams County?
How much rain does Williams County get?
Does it snow in Williams County?
How hot does Williams County get in summer?
How cold are winters in Williams County?
Track your own weather in Williams County
Ambient Weather personal weather stations give you hyperlocal climate data.
Sponsored
Data source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.