Morton County Climate
Morton County, North Dakota
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
42.4°F
Annual Precip
18.4"
Annual Snowfall
42.5"
Extreme Heat Days
19
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
4a
Minimum winter temperature range for plant survival
2,211
Favors cool-season crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Morton County
Climate Verdict
Morton County has a cool, averaging 42.4°F annually, semi-arid conditions with only 18.4 inches of annual precipitation, rare extreme heat with only 18.633333333333336 days above 90°F annually, moderate snowfall of 42.5 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 13.0°F. summers are warm — July averages 70.2°F. Residents experience a substantial 57°F difference between winter and summer.
Outdoor & Gardening Guidance
Winter sports enthusiasts benefit from reliable snow cover for 3-4 months annually.
Regional Context
Morton County closely matches the North Dakota statewide average temperature of 40.9°F.
Climate Profile
About Morton County Weather
Strong Continental Seasonality
Morton County has an average annual temperature of 42.4°F, which is quite chilly compared to the national average. This reflects its location in the heart of the northern plains.
Warmer than the State Norm
The county's average temperature of 42.4°F is nearly 1.5 degrees warmer than the 41.0°F state average. It also sees slightly less precipitation than the state average of 19.5 inches.
Drier than Southern Neighbors
Morton receives 18.4 inches of precipitation, making it drier than McIntosh's 20.7 inches. However, its 19 extreme heat days make it hotter than many eastern peers.
Hot July and Cold January
Summer averages 67.6°F, including a July average of 70.2°F with 19 extreme heat days. Winters are difficult, with 42.5 inches of snow and a 16.0°F average.
Weatherproofing for High Extremes
Plan for high heating costs when January averages hit 13.0°F. Ensure that HVAC systems are serviced before the 19 days of 90°F summer heat arrive.
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.