Wibaux County Climate
Wibaux County, Montana
Avg Annual Temp
42.6°F
Annual Precip
16.4"
Annual Snowfall
46.6"
Extreme Heat Days
21.2
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Wibaux County Weather
Edge of the eastern plains
Wibaux County averages 42.6°F annually, a cool temperature driven by its position on the North Dakota border. It receives 16.4 inches of annual precipitation, making it slightly wetter than the Montana state average.
Cooler than the state average
The county stays cooler than the Montana average of 43.7°F. Winters here are particularly cold, with an average of 19.0°F that is significantly lower than the western part of the state.
Harsh winters near the border
Wibaux sees 21 days of extreme heat, similar to Valley County but more than Teton. Its 46.6 inches of snowfall is substantial for the plains, often accompanied by heavy winds that create challenging drifts.
Hot summers and biting winters
July averages 69.0°F, contributing to 21 days of temperatures over 90°F. January is much harsher, with temperatures averaging just 16.9°F during the depth of winter.
Prepare for extreme temperature shifts
Dual-purpose HVAC systems are vital to handle both the 21 heat days and the sub-20°F winter nights. With 16.4 inches of precipitation, residents should be prepared for sudden summer thunderstorms and significant winter snow events.
Frequently Asked Questions
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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.