Minidoka County Climate
Minidoka County, Idaho
Avg Annual Temp
47.8°F
Annual Precip
10.3"
Annual Snowfall
20.5"
Extreme Heat Days
34.4
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Minidoka County Weather
Dry and Temperate High Desert
Minidoka's 47.8°F average temperature sits below the national median in a semi-arid zone. The area receives only 10.3 inches of precipitation, making it significantly drier than most U.S. counties.
Warmer Than the Idaho Baseline
At 47.8°F, the county is slightly warmer than the Idaho state average of 46.5°F. It represents the typical dry, temperate climate found across the Magic Valley.
Low Moisture in the Valley
The county is notably drier than the state average and shares a desert-like profile with neighboring Cassia and Jerome. Annual snowfall of 20.5 inches is lower than many northern Idaho regions.
Hot Peaks and Snow-Dusted Winters
The region sees 34 extreme heat days above 90°F during the warm 67.8°F summers. Winters stay cold but manageable, averaging 28.5°F from December through February.
Manage Low Rainfall and Cold Nights
Prioritize efficient irrigation for landscaping given the low 10.3-inch annual rainfall. Winter gear should account for over 20 inches of snow and January lows averaging 27°F.
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.