Bryan County Climate
Bryan County, Oklahoma
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
62.9°F
Annual Precip
44.4"
Annual Snowfall
2.0"
Extreme Heat Days
82
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
8a
Minimum winter temperature range for plant survival
5,585
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Bryan County
Climate Verdict
Bryan County has a warm, averaging 62.9°F year-round, moderately wet with 44.4 inches of annual precipitation, significant summer heat with 82.4 days annually above 90°F, light snow averaging 2.0 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are mild, with January temperatures averaging 42.1°F. summers are hot, with July averaging 82.6°F. The 40°F seasonal variation provides noticeable but manageable change. January is typically the coldest month and August the warmest.
Outdoor & Gardening Guidance
Summer outdoor activities should be planned for early morning or evening to avoid extreme heat.
Regional Context
Bryan County closely matches the Oklahoma statewide average temperature of 60.4°F, it is also noticeably wetter, receiving 7.1 inches more precipitation than the state average.
Climate Profile
About Bryan County Weather
A Subtropical Climate with High Heat
Bryan County is one of the warmer regions in the U.S., with an average annual temperature of 62.9°F. It also features high annual precipitation, receiving 44.4 inches of rain.
One of Oklahoma's Warmest Counties
At 62.9°F, Bryan County is significantly warmer than the Oklahoma state average of 60.4°F. It also receives about 7 inches more rainfall than the state average, marking it as a warm, wet outlier.
Milder Winters and Minimal Snowfall
Compared to northern Oklahoma, Bryan County's 2.0 inches of annual snowfall is very low. Its January average of 42.1°F is one of the highest in the state, signaling very short winter cold snaps.
Prolonged Summers and Warm Winters
Extreme heat is a staple here, with 82 days per year exceeding 90°F and a July average of 82.6°F. Winters are exceptionally mild for the region, with the coldest month, January, still averaging 42.1°F.
Optimize for Cooling and Rain
Residents should invest in top-tier air conditioning to handle 82 days of extreme heat and warm winter averages. With 44.4 inches of rain, keeping a sturdy umbrella and maintaining clear property drainage is essential.
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.