Lincoln County Climate
Lincoln County, Idaho
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
49.4°F
Annual Precip
10.5"
Annual Snowfall
28.6"
Extreme Heat Days
45
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6a
Minimum winter temperature range for plant survival
2,789
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Lincoln County
Climate Verdict
Lincoln County has a cool, averaging 49.4°F annually, arid conditions receiving just 10.5 inches of precipitation annually, occasional hot days — 45.1 per year above 90°F, moderate snowfall of 28.6 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 26.5°F. summers are warm — July averages 74.5°F. The 48°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Lincoln County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Lincoln County closely matches the Idaho statewide average temperature of 46.5°F, it is also noticeably drier, receiving 6.5 inches less precipitation than the state average.
Climate Profile
About Lincoln County Weather
Arid warmth on the Snake River Plain
Lincoln County is relatively warm for Idaho, with an annual average of 49.4°F. It is very dry, with only 10.5 inches of annual precipitation, typical of a high-desert environment.
Warmest among the local counties
The county's average temperature of 49.4°F is nearly 3 degrees higher than the Idaho state average of 46.5°F. It is also one of the driest counties, receiving 6.5 inches less rain than the state average.
Comparable to nearby Jerome County
Lincoln County closely mirrors Jerome County’s 49.6°F average and 10.4-inch precipitation level. Both counties face much higher summer heat risks than their neighbors in the northern part of the state.
Scorching summers and dry winters
Summer is the dominant season here, with a July average of 74.5°F and a significant 45 days over 90°F. Winters are dry with 28.6 inches of snow and a January average of 26.5°F.
Focus on high-capacity cooling
With 45 days of extreme heat, high-efficiency HVAC systems are the most important investment for homeowners. Drought-tolerant landscaping is also essential given the sparse 10.5 inches of annual rainfall.
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.