Stewartville has cold, snowy winters and pleasant summers
A typical July afternoon reaches 81°, a January night drops to 6°, and about 53 inches of snow falls in a normal winter.
A year in Stewartville at a glance
Each month’s typical high and low, and what it brings.
What stands out about Stewartville’s climate
Read from where Stewartville sits among Minnesota’s towns. The page puts what stands out first.
53 inches of snow, 36 of rain and melt
June is the wettest month and January the driest. Rain or snow falls on about 124 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Living with Stewartville’s climate
What the numbers mean for a garden, a driveway, a furnace and a free afternoon.
159 frost-free days. The last frost comes by Apr 30 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Oct 6.
About 53" a winter over 16 days with an inch or more, most in December. Snow covers the ground about 89 days a year.
Months averaging under 55° run from October through April. Heating is 94% of the year’s heating-and-cooling load.
About 5 days a year reach 90°, and July afternoons average 81°.
The nicest months are May, June, July, August and September. 5.5 miles of trails are waiting.
Parks & trails →Normals are averages. Ice storms, nor’easters, floods and heat waves are on the natural hazards page.
Natural hazards →What a year in Stewartville feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 159 frost-free days a year
In half of years the last 32° night comes by April 30 and the first by October 6.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
Warmer than it used to be
The last 30 years in Stewartville averaged 1.4° warmer than the 1900s. The biggest change is in December (+3.1°).
A bigger shift than in 61% of U.S. towns.
Change by month
How Stewartville compares
Against every U.S. town on TownTapestry, each counted once, with its place in Minnesota.
Stewartville weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 23° | 6° | 1.0" | 12.2" | 9 | 25 | 4° – 27° |
| February | 28° | 10° | 1.0" | 10.7" | 8 | 23 | 6° – 30° |
| March | 40° | 22° | 2.0" | 8.6" | 10 | 14 | 23° – 48° |
| April | 56° | 34° | 3.7" | 3.3" | 12 | 2 | 34° – 52° |
| May | 68° | 46° | 4.7" | 0.5" | 13 | 0 | 51° – 63° |
| June | 78° | 56° | 5.5" | 0 | 13 | 0 | 63° – 72° |
| July | 81° | 60° | 4.3" | 0 | 11 | 0 | 64° – 76° |
| August | 79° | 57° | 4.3" | 0 | 10 | 0 | 63° – 73° |
| September | 72° | 49° | 3.8" | 0 | 9 | 0 | 53° – 66° |
| October | 58° | 37° | 2.6" | 0.9" | 10 | 0 | 42° – 53° |
| November | 42° | 25° | 1.8" | 4.5" | 9 | 5 | 24° – 45° |
| December | 28° | 13° | 1.3" | 12.4" | 10 | 20 | 6° – 30° |
| Year | 54° | 35° | 36.0" | 53.1" | 124 | 89 |
Heating and cooling a home in Stewartville
94% of the work is heating, so the furnace matters far more than the air conditioner.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. Source: NOAA station normals.
How much a month can swing
A normal is an average. March swings the most: from 1991 to 2020 its average ranged from 23° to 48°. June is the most reliable, staying within 9°.
Common questions about Stewartville’s climate
What is the coldest month in Stewartville?
January, with a typical high of 23° and a low of 6°.
What is the hottest month in Stewartville?
July, with a typical high of 81° and a low of 60°. About 5 days a year reach 90°.
How much snow does Stewartville get?
About 53 inches in a normal winter, most of it in December.
When is the first frost in Stewartville?
In half of years the first 32° night comes by October 6, and the last spring frost by April 30.
What is the rainiest month in Stewartville?
June, with 5.5 inches of rain and melted snow. The year totals 36 inches.
Neighbors talk weather
Gardens, snow, and the best days of the year in Stewartville.
Your answer becomes a post in Town Square.
Temperatures and rainfall come from NOAA’s gridded climate normals for Stewartville itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Rochester Intl Airport, MN (3 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Today’s forecast: National Weather Service.