Custer County Climate
Custer County, Oklahoma
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
60.3°F
Annual Precip
30.3"
Annual Snowfall
6.5"
Extreme Heat Days
80
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7b
Minimum winter temperature range for plant survival
5,067
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Custer County
Climate Verdict
Custer County has a warm, averaging 60.3°F year-round, moderate rainfall of 30.3 inches per year, significant summer heat with 80.3 days annually above 90°F, light snow averaging 6.5 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 37.7°F. summers are hot, with July averaging 82.6°F. The 45°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Summer outdoor activities should be planned for early morning or evening to avoid extreme heat.
Regional Context
Custer County closely matches the Oklahoma statewide average temperature of 60.4°F, it is also noticeably drier, receiving 6.9 inches less precipitation than the state average.
Climate Profile
About Custer County Weather
Warmer and Drier Than National Medians
Custer County averages 60.3°F annually, placing it among the warmer counties in the United States. Its 30.3 inches of rain indicates a drier-than-average national profile.
A Perfect Match for State Temperatures
The county's 60.3°F average temperature aligns almost perfectly with Oklahoma's 60.4°F state average. However, it receives 7 inches less rain than the state norm.
Transitioning Toward Western Aridity
Custer County receives 30.3 inches of rain, which is notably less than the central Oklahoma average. It shares the windy, dry characteristics of its western neighbors.
Extreme Heat Defines the Summer
The area records 80 days of extreme heat above 90°F annually. Winters are typically dry with a modest 6.5 inches of snowfall.
Drought-Resistant Landscaping is Key
Low precipitation and 82.6°F July averages make water-wise gardening a smart choice. HVAC systems should be serviced for the 80+ days of high heat.
Frequently Asked Questions
What is the average temperature in Custer County?
How much rain does Custer County get?
Does it snow in Custer County?
How hot does Custer County get in summer?
How cold are winters in Custer County?
Track your own weather in Custer County
Ambient Weather personal weather stations give you hyperlocal climate data.
Sponsored
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.