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Minidoka County Climate

JanFebMarAprMayJunJulAugSepOctNovDec47.8°AVG °F

Avg Annual Temp

47.8°F

Annual Precip

10.3"

Annual Snowfall

20.5"

Extreme Heat Days

34

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
1.2"
0.8"
0.9"
1.0"
1.5"
0.7"
0.2"
0.3"
0.6"
0.8"
0.9"
1.2"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

6a

Minimum winter temperature range for plant survival

Growing Degree Days

2,284

Favors cool-season crops

Last spring frost (32°F): 05/16
First fall frost (32°F): 10/06

Seasonal Overview

Comfort ZoneSpring40°55°3.5"Summer63°71°1.3"Fall36°60°2.4"Winter27°31°3.2"20°40°60°80°100°

National Comparison

Warmer than 22% of US counties
Wetter than 2% of US counties
More seasonal variation than 56% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Minidoka County

Climate Verdict

Minidoka County has a cool, averaging 47.8°F annually, arid conditions receiving just 10.3 inches of precipitation annually, occasional hot days — 34.4 per year above 90°F, moderate snowfall of 20.5 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are cold, with January averaging 27.0°F. summers are warm — July averages 71.1°F. The 44°F seasonal variation provides noticeable but manageable change.

Outdoor & Gardening Guidance

Growing season and gardening data is currently limited for Minidoka County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.

Regional Context

Minidoka County closely matches the Idaho statewide average temperature of 46.5°F, it is also noticeably drier, receiving 6.7 inches less precipitation than the state average.

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

What is the average temperature in Minidoka County?
The average annual temperature in Minidoka County, ID is 47.8°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Minidoka County get?
Minidoka County receives an average of 10.3 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
Does it snow in Minidoka County?
Yes, Minidoka County receives an average of 20.5 inches of snowfall per year according to NOAA climate normals.
How hot does Minidoka County get in summer?
The average summer temperature (June-August) in Minidoka County is 67.8°F. The county experiences an average of 34 days per year above 90°F.
How cold are winters in Minidoka County?
The average winter temperature (December-February) in Minidoka County is 28.5°F. January, typically the coldest month, averages 27.0°F.

Track your own weather in Minidoka County

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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.

By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor
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