Putnam County Climate
Putnam County, Missouri
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
50.9°F
Annual Precip
41.9"
Annual Snowfall
28.7"
Extreme Heat Days
20
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
5b
Minimum winter temperature range for plant survival
3,365
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Putnam County
Climate Verdict
Putnam County has a mild, with an average annual temperature of 50.9°F, moderately wet with 41.9 inches of annual precipitation, rare extreme heat with only 19.6 days above 90°F annually, moderate snowfall of 28.7 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 23.5°F. summers are warm — July averages 75.5°F. Residents experience a substantial 52°F difference between winter and summer.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Putnam County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Putnam County is 4.0°F cooler than the Missouri statewide average of 54.9°F, the county experiences 17.11736760124611 fewer extreme heat days than the state average.
Climate Profile
About Putnam County Weather
Cooler Northern Climate Below National Median
Putnam County averages 50.9°F annually, making it one of the coolest counties in the region and below the national median. This northern location results in a significantly colder thermal profile than southern Missouri.
Missouri's Northern Cold Spot
Putnam is much colder than the state average of 54.9°F and receives 28.7 inches of snow—more than double the state norm. It also sees far fewer extreme heat days, with only 20 per year compared to the 40+ seen in the south.
Snow Capital of the Region
Compared to Platte County, Putnam is significantly colder and experiences over 10 inches more snowfall annually. It is the coolest county in this group, defined by its 23.5°F January average.
Severe Winters and Mild Summers
Winter is the dominant season here, bringing 28.7 inches of snow and a frosty 26.7°F winter average. Summers are pleasant and mild, with only 20 days of 90°F+ temperatures.
Serious Winter Gear is Required
Heavy-duty snow removal equipment and high-quality winter insulation are critical for the 28.7 inches of annual snow. Residents enjoy lower cooling costs in summer but must budget for significant heating in the winter.
Frequently Asked Questions
What is the average temperature in Putnam County?
How much rain does Putnam County get?
Does it snow in Putnam County?
How hot does Putnam County get in summer?
How cold are winters in Putnam County?
Track your own weather in Putnam 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.