Monroe County Climate
Monroe County, Indiana
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
53.5°F
Annual Precip
48.2"
Annual Snowfall
17.5"
Extreme Heat Days
21
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6b
Minimum winter temperature range for plant survival
3,623
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Monroe County
Climate Verdict
Monroe County has a mild, with an average annual temperature of 53.5°F, moderately wet with 48.2 inches of annual precipitation, occasional hot days — 20.5 per year above 90°F, light snow averaging 17.5 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 29.6°F. summers are warm — July averages 74.8°F. The 45°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Monroe County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Monroe County closely matches the Indiana statewide average temperature of 52.4°F, it is somewhat wetter than average for Indiana.
Climate Profile
About Monroe County Weather
A Temperate Climate Above the National Median
Monroe County's annual average temperature of 53.5°F sits slightly above the national median for a typical Midwestern hub. This profile fits a humid continental climate where four distinct seasons dictate the local rhythm.
Milder Winters Than the State Average
With an average of 53.5°F, Monroe is warmer than the Indiana state average of 52.2°F. It ranks among the milder counties in the state, avoiding the harsher chills found in the northern regions.
Warmer and Wetter Than Northern Neighbors
Monroe is significantly wetter than neighboring Morgan County, receiving 48.2 inches of rain compared to Morgan's 45.5. It also experiences 21 extreme heat days, nearly double the 12 days seen in Montgomery County.
Significant Summer Heat and Moderate Snow
Summer temperatures average 73.5°F and feature 21 days where the thermometer tops 90°F. Winter remains manageable for the region, averaging 32.2°F with 17.5 inches of annual snowfall.
Prepare for Rain and Summer Peaks
Residents should prepare for heavy rainfall by maintaining clear gutters and reliable sump pumps for the 48.2 inches of annual precipitation. The 21 days of high heat also make efficient home cooling systems a necessary investment.
Frequently Asked Questions
What is the average temperature in Monroe County?
How much rain does Monroe County get?
Does it snow in Monroe County?
How hot does Monroe County get in summer?
How cold are winters in Monroe County?
Track your own weather in Monroe 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.