Carter County Climate
Carter County, Oklahoma
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
62.9°F
Annual Precip
36.7"
Annual Snowfall
2.5"
Extreme Heat Days
83
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
8a
Minimum winter temperature range for plant survival
5,652
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Carter County
Climate Verdict
Carter County has a warm, averaging 62.9°F year-round, moderate rainfall of 36.7 inches per year, significant summer heat with 82.5 days annually above 90°F, light snow averaging 2.5 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are mild, with January temperatures averaging 41.1°F. summers are hot, with July averaging 83.5°F. The 42°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
Carter County closely matches the Oklahoma statewide average temperature of 60.4°F.
Climate Profile
About Carter County Weather
Southern warmth in the Arbuckles
Carter County averages 62.9°F annually, placing it well above the national median for temperature. Its position in Southern Oklahoma ensures a long, warm growing season typical of the American South.
Ranks among Oklahoma's warmer counties
With an annual average of 62.9°F, Carter County is notably warmer than the state average of 60.4°F. Its 36.7 inches of rain aligns closely with the Oklahoma average of 37.2 inches.
Warmer than its northern neighbors
Carter County is significantly warmer than central counties like Cleveland, which averages 60.7°F. This region serves as a transition zone where the Plains meet the hotter Red River valley.
Intense heat and brief winters
The county endures 83 days of extreme heat over 90°F, one of the higher counts in the region. Winters are mild, featuring a January average of 41.1°F and a sparse 2.5 inches of annual snow.
Prioritize summer cooling needs
Outdoor activities require careful planning during the 81.8°F average summer months to avoid heat exhaustion. Property owners can expect minimal snow removal but should prepare for heavy thunderstorms during the spring rain season.
Frequently Asked Questions
What is the average temperature in Carter County?
How much rain does Carter County get?
Does it snow in Carter County?
How hot does Carter County get in summer?
How cold are winters in Carter County?
Track your own weather in Carter 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.