Cimarron County Climate
Cimarron County, Oklahoma
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
56.2°F
Annual Precip
17.0"
Annual Snowfall
26.6"
Extreme Heat Days
72
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6b
Minimum winter temperature range for plant survival
3,983
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Cimarron County
Climate Verdict
Cimarron County has a mild, with an average annual temperature of 56.2°F, semi-arid conditions with only 17.0 inches of annual precipitation, significant summer heat with 71.85 days annually above 90°F, moderate snowfall of 26.6 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 35.8°F. summers are warm — July averages 78.2°F. The 42°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
The moderate temperatures support hiking, cycling, and camping comfortably in spring, summer, and fall.
Regional Context
Cimarron County is 4.2°F cooler than the Oklahoma statewide average of 60.4°F, it is also noticeably drier, receiving 20.2 inches less precipitation than the state average.
Climate Profile
About Cimarron County Weather
High plains and cool extremes
Cimarron County averages 56.2°F annually, which is much closer to the national median than the rest of Oklahoma. Located in the far tip of the Panhandle, its climate is semi-arid and continental.
Oklahoma's coolest and driest corner
At 56.2°F, this is the coldest county in Oklahoma, sitting 4.2 degrees below the state average. It is also the driest, receiving only 17.0 inches of rain compared to the 37.2-inch state average.
Isolated in the high desert
Cimarron stands alone in Oklahoma for its low humidity and high elevation. It experiences much more drastic temperature swings than central or eastern Oklahoma counties.
Snowy winters and sharp heat
The county averages a staggering 26.6 inches of snow, the highest in the state. Despite cool 36.8°F winters, summers still bring 72 days above 90°F due to the intense high-altitude sun.
Prepare for snow and swings
Residents must own reliable snow removal equipment to handle the 2-foot annual snowfall. Xeriscaping is recommended for landscaping due to the extremely low 17 inches of annual precipitation.
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.