Martin County Climate
Martin County, Minnesota
Avg Annual Temp
46.1°F
Annual Precip
33.5"
Annual Snowfall
—
Extreme Heat Days
11.1
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
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 source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.