Arthur County Climate
Arthur County, Nebraska
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
48.8°F
Annual Precip
20.6"
Annual Snowfall
32.9"
Extreme Heat Days
38
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
5b
Minimum winter temperature range for plant survival
2,858
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Arthur County
Climate Verdict
Arthur County has a cool, averaging 48.8°F annually, semi-arid conditions with only 20.6 inches of annual precipitation, occasional hot days — 37.6 per year above 90°F, moderate snowfall of 32.9 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 25.8°F. summers are warm — July averages 74.1°F. The 48°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Arthur County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Arthur County closely matches the Nebraska statewide average temperature of 49.7°F, it is also noticeably drier, receiving 5.3 inches less precipitation than the state average.
Climate Profile
About Arthur County Weather
Dry and Cool High Plains
Arthur County's 48.8°F average temperature falls below the national median. The county is notably dry, receiving only 20.6 inches of precipitation annually.
Drier Than the Nebraska Average
The county receives over 5 inches less moisture than the Nebraska state average of 25.9 inches. Its annual temperature of 48.8°F also tracks slightly cooler than the state average.
Intense Sun and Arid Air
Arthur faces 38 days of extreme heat, significantly more than the 17 days recorded in eastern Antelope County. Its 32.9 inches of snow is typical for the central Sandhills.
Vast Temperature Swings
Summers feature 38 days over 90°F, yet the winter average remains a chilly 27.1°F. This creates a volatile environment where residents manage both 32.9 inches of snow and summer heat.
Plan for Arid Extremes
Water conservation is vital during the dry summers where temperatures frequently spike. Ensure your HVAC system is rated for both the 38 heat days and the 25.8°F January nights.
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.