Martin County Climate
Martin County, Minnesota
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
46.1°F
Annual Precip
33.5"
Annual Snowfall
—
Extreme Heat Days
11
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
5a
Minimum winter temperature range for plant survival
2,891
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Martin County
Climate Verdict
Martin County has a cool, averaging 46.1°F annually, moderate rainfall of 33.5 inches per year, rare extreme heat with only 11.1 days above 90°F annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 15.2°F. summers are warm — July averages 73.4°F. Residents experience a substantial 58°F difference between winter and summer.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Martin County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Martin County is 3.3°F warmer than the Minnesota statewide average of 42.8°F, it is somewhat wetter than average for Minnesota.
Climate Profile
About Martin County Weather
Milder Minnesota Winters
Martin County averages 46.1°F annually, which is warmer than most of the state but still roughly 8 degrees below the national median. The climate is humid continental with 33.5 inches of annual precipitation.
A Southern Warmth Leader
The county is significantly warmer than the Minnesota state average of 42.8°F. It also exceeds the state's average precipitation level by 3.5 inches, indicating a wetter and warmer environment than the northern plains.
Warmer Than the State Center
Martin is notably warmer than McLeod County to the north, which averages 44.5°F. It also experiences more extreme heat days than many of its neighbors, totaling 11 per year.
Hot Summers and Managed Cold
July averages a warm 73.4°F, contributing to 11 days of heat exceeding 90°F. January is cold at 15.2°F, but remains much milder than the single-digit averages found in northern Minnesota.
Air Conditioning and Drainage
Invest in efficient cooling systems to handle the frequent 90°F summer days. With 33.5 inches of rain, ensure proper basement drainage and gutter maintenance to prevent flooding during wet seasons.
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.