Winona has chilly winters and warm summers, with very little rain
A typical July afternoon reaches 91°, a January night drops to 18°, and about 17 inches of snow falls in a normal winter.
A year in Winona at a glance
Each month’s typical high and low, and what it brings.
What stands out about Winona’s climate
Read from where Winona sits among Kansas’s towns. The page puts what stands out first.
17 inches of snow, 20 of rain and melt
July is the wettest month and January the driest. Rain or snow falls on about 52 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Warmer than it used to be
The last 30 years in Winona averaged 1.2° warmer than the 1900s. The biggest change is in March (+3.1°).
A smaller shift than in 55% of U.S. towns.
Change by month
Living with Winona’s climate
What the numbers mean for a garden, a driveway, a furnace and a free afternoon.
172 frost-free days. The last frost comes by Apr 29 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 17.
About 17" a winter over 6 days with an inch or more, most in February. Snow covers the ground about 18 days a year.
Months averaging under 55° run from October through April. Heating is 82% of the year’s heating-and-cooling load.
About 51 days a year reach 90°, and July afternoons average 91°.
The nicest months are May and September. 22 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 Winona feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 172 frost-free days a year
In half of years the last 32° night comes by April 29 and the first by October 17.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
Winona and its neighbors
Kingery has the coldest January nights next door (17°) and McAllaster the hottest July afternoons (92°). Tap a town to see its climate.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value. Snow and frost-free days come from the nearest weather station, so neighbors often share them.
How Winona compares
Against every U.S. town on TownTapestry, each counted once, with its place in Kansas.
Winona 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 | 44° | 18° | 0.3" | 3.1" | 2 | 5 | 20° – 39° |
| February | 47° | 20° | 0.5" | 3.6" | 2 | 5 | 24° – 41° |
| March | 57° | 28° | 1.0" | 2.9" | 3 | 1 | 35° – 51° |
| April | 66° | 36° | 1.7" | 0.8" | 5 | 0 | 45° – 56° |
| May | 75° | 47° | 2.7" | 0.6" | 7 | 0 | 53° – 67° |
| June | 87° | 58° | 2.8" | 0 | 6 | 0 | 66° – 78° |
| July | 91° | 63° | 3.5" | 0 | 7 | 0 | 72° – 82° |
| August | 89° | 61° | 3.0" | 0 | 7 | 0 | 69° – 80° |
| September | 81° | 52° | 1.5" | 0.1" | 4 | 0 | 60° – 73° |
| October | 68° | 39° | 1.4" | 1.3" | 4 | 0 | 45° – 59° |
| November | 55° | 27° | 0.6" | 1.7" | 3 | 2 | 32° – 48° |
| December | 44° | 19° | 0.4" | 3.3" | 2 | 4 | 23° – 36° |
| Year | 67° | 39° | 19.5" | 17.4" | 52 | 18 |
Heating and cooling a home in Winona
82% 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. January swings the most: from 1991 to 2020 its average ranged from 20° to 39°. July is the most reliable, staying within 9°.
Common questions about Winona’s climate
What is the coldest month in Winona?
January, with a typical high of 44° and a low of 18°.
What is the hottest month in Winona?
July, with a typical high of 91° and a low of 63°. About 51 days a year reach 90°.
How much snow does Winona get?
About 17 inches in a normal winter, most of it in February.
When is the first frost in Winona?
In half of years the first 32° night comes by October 17, and the last spring frost by April 29.
What is the rainiest month in Winona?
July, with 3.5 inches of rain and melted snow. The year totals 20 inches.
Neighbors talk weather
Gardens, snow, and the best days of the year in Winona.
Your answer becomes a post in Town Square.
Temperatures and rainfall come from NOAA’s gridded climate normals for Winona itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Winona, KS (1 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.