Allen County Climate
Allen County, Kentucky
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
57.0°F
Annual Precip
54.0"
Annual Snowfall
7.6"
Extreme Heat Days
27
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7a
Minimum winter temperature range for plant survival
4,143
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Allen County
Climate Verdict
Allen County has a mild, with an average annual temperature of 57.0°F, moderately wet with 54.0 inches of annual precipitation, occasional hot days — 27.3 per year above 90°F, light snow averaging 7.6 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 35.4°F. summers are warm — July averages 76.2°F. The 41°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
Allen County closely matches the Kentucky statewide average temperature of 56.0°F, it is somewhat wetter than average for Kentucky.
Climate Profile
About Allen County Weather
Warmer and Wetter Than the Median
Allen County is warmer than much of the U.S., featuring a 57.0°F average annual temperature. Its 54.0 inches of annual precipitation significantly exceeds the national median, creating a damp, verdant environment.
Outpacing the Kentucky State Averages
With an average of 57.0°F, Allen County is warmer than the state average of 56.2°F. It also receives nearly four extra inches of rain compared to the 50.6-inch statewide baseline.
Slightly Warmer Than Northern Neighbors
Allen’s 54.0 inches of rain makes it wetter than its northern neighbor, Barren County. While both counties share a warm profile, Allen averages a slightly cooler winter at 38.0°F compared to Barren’s 39.1°F.
Milder Winters and Humid Summers
Summers are humid with 27 days reaching 90°F or higher and a July average of 76.2°F. Winter brings a modest 7.6 inches of snow and a relatively mild 38.0°F seasonal average.
Managing Humidity and Summer Heat
High humidity and 27 extreme heat days annually require efficient HVAC systems to maintain indoor comfort. The 54.0 inches of rain also means high-quality rain gear and reliable drainage systems are local necessities.
Frequently Asked Questions
What is the average temperature in Allen County?
How much rain does Allen County get?
Does it snow in Allen County?
How hot does Allen County get in summer?
How cold are winters in Allen County?
Track your own weather in Allen 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.