Williams County Climate
Williams County, North Dakota
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
42.4°F
Annual Precip
15.1"
Annual Snowfall
43.7"
Extreme Heat Days
21
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
4a
Minimum winter temperature range for plant survival
2,258
Favors cool-season crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Williams County
Climate Verdict
Williams County has a cool, averaging 42.4°F annually, semi-arid conditions with only 15.1 inches of annual precipitation, occasional hot days — 21.46666666666667 per year above 90°F, moderate snowfall of 43.7 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 12.2°F. summers are warm — July averages 70.5°F. Residents experience a substantial 58°F difference between winter and summer.
Outdoor & Gardening Guidance
Winter sports enthusiasts benefit from reliable snow cover for 3-4 months annually.
Regional Context
Williams County closely matches the North Dakota statewide average temperature of 40.9°F, it is somewhat drier than average for North Dakota.
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
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Data sources: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.
Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.