Marshall County Climate
Marshall County, Oklahoma
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
62.9°F
Annual Precip
41.5"
Annual Snowfall
2.1"
Extreme Heat Days
87
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
8a
Minimum winter temperature range for plant survival
5,668
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Marshall County
Climate Verdict
Marshall County has a warm, averaging 62.9°F year-round, moderately wet with 41.5 inches of annual precipitation, significant summer heat with 87.3 days annually above 90°F, light snow averaging 2.1 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 84.0°F. The 43°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
Marshall County closely matches the Oklahoma statewide average temperature of 60.4°F, it is somewhat wetter than average for Oklahoma.
Climate Profile
About Marshall County Weather
One of the Nation's Warmer Spots
Marshall County's 62.9°F annual average temperature is nearly 10 degrees higher than the national median. This creates a consistently warm environment with 41.5 inches of annual rain.
Exceeding Oklahoma's Typical Heat
Marshall County ranks as one of the warmest in the state, surpassing the 60.4°F state average by 2.5 degrees. Rainfall is also higher here, exceeding the state average by over 4 inches.
Hottest in the Immediate Region
Marshall is hotter than Love and McClain counties, recording a July average of 84.0°F. It also sees more extreme heat days than its western neighbor, Love County.
Dominant Summers and Rare Snow
The county experiences 87 days of extreme heat above 90°F, while summer averages reach a high of 82.2°F. Snow is rare, with only 2.1 inches falling annually.
Maximized Cooling is Essential
With 87 days of extreme heat, residents must invest in high-performance air conditioning and insulation. Winter prep is minimal as the county averages only 2.1 inches of snow.
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.