Dyer County Climate
Dyer County, Tennessee
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
60.1°F
Annual Precip
53.3"
Annual Snowfall
—
Extreme Heat Days
53
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7b
Minimum winter temperature range for plant survival
4,948
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Dyer County
Climate Verdict
Dyer County has a warm, averaging 60.1°F year-round, moderately wet with 53.3 inches of annual precipitation, occasional hot days — 52.9 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 38.3°F. summers are hot, with July averaging 80.4°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
Dyer County closely matches the Tennessee statewide average temperature of 58.0°F, it is somewhat drier than average for Tennessee, the county experiences 16.440071684587828 more extreme heat days than the state average.
Climate Profile
About Dyer County Weather
Subtropical Heat and High Humidity
Dyer County's 60.1°F annual average is well above the national median, indicating a consistently warm climate. The region experiences heavy precipitation, totaling 53.3 inches annually.
Warmer Than the State Norm
At 60.1°F, Dyer is exactly 2 degrees warmer than the Tennessee state average of 58.1°F. This warmth is driven by high summer peaks, with July averages reaching 80.4°F.
West Tennessee Thermal Peaks
Dyer is warmer than neighboring Crockett County, averaging 53 extreme heat days compared to Crockett's 43. Both counties share similar rainfall patterns, staying within a few inches of each other.
Sweltering Summers and Mild Winters
Residents face 53 days of temperatures at or above 90°F during the long summer. While snowfall data is limited, winter remains mild with a January average of 38.3°F.
Heat Safety and Hydration
With 53 extreme heat days, residents should prioritize hydration and cooling during the 80.4°F July peaks. Be prepared for sudden heavy downpours that contribute to the 53.3 inches of annual rain.
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.