Ottawa County Climate
Ottawa County, Oklahoma
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
58.7°F
Annual Precip
—
Annual Snowfall
—
Extreme Heat Days
57
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7a
Minimum winter temperature range for plant survival
4,661
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Ottawa County
Climate Verdict
Ottawa County has a mild, with an average annual temperature of 58.7°F, occasional hot days — 57.2 per year above 90°F. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 35.5°F. summers are hot, with July averaging 80.4°F. The 45°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
Ottawa County closely matches the Oklahoma statewide average temperature of 60.4°F, the county experiences 19.210949074074108 fewer extreme heat days than the state average.
Climate Profile
About Ottawa County Weather
A Mild Subtropical Climate in Northeast Oklahoma
Ottawa County maintains an average annual temperature of 58.7°F, notably warmer than the national median of roughly 55°F. This humid subtropical environment experiences significant variation between its distinct seasons.
Cooler than the Oklahoma State Average
The county's 58.7°F annual average sits nearly two degrees below the Oklahoma state average of 60.4°F. This makes Ottawa one of the cooler regions in a state known for its intense southern heat.
Regional Variation Across the Border
While neighboring areas to the south often see higher averages, Ottawa stays relatively temperate. While annual precipitation data is limited, the county shares the lush, green landscape typical of the Ozark plateau fringe.
Extreme Heat with Crisp Winters
Summers are intense with 57 days exceeding 90°F and a July average of 80.4°F. Winters provide a sharp contrast, as the January average drops to 35.5°F, though local snowfall data remains unavailable.
Preparing for Significant Seasonal Swings
Residents should prioritize high-efficiency HVAC systems to manage the 57 extreme heat days annually. With winter lows averaging in the mid-30s, standard winterization for homes and vehicles is essential for the region.
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.