Walnut Creek has chilly winters and warm summers
A typical July afternoon reaches 92°, a January night drops to 17°, and about 18 inches of snow falls in a normal winter.
A year in Walnut Creek at a glance
Each month’s typical high and low, and what it brings.
What stands out about Walnut Creek’s climate
Read from where Walnut Creek sits among Kansas’s towns. The page puts what stands out first.
About 181 frost-free days a year
In half of years the last 32° night comes by April 19 and the first by October 19.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
18 inches of snow, 27 of rain and melt
July is the wettest month and January the driest. Rain or snow falls on about 73 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
What a year in Walnut Creek feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
Living with Walnut Creek’s climate
What the numbers mean for a garden, a driveway, a furnace and a free afternoon.
181 frost-free days. The last frost comes by Apr 19 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 19.
About 18" a winter over 6 days with an inch or more, most in February. Snow covers the ground about 17 days a year.
Months averaging under 55° run from November through April. Heating is 78% of the year’s heating-and-cooling load.
About 57 days a year reach 90°, and July afternoons average 92°.
The nicest months are May, September and October.
Parks & trails →Normals are averages. Ice storms, nor’easters, floods and heat waves are on the natural hazards page.
Natural hazards →Walnut Creek and its neighbors
Glen Elder has the coldest January nights next door (17°) and Carr Creek 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.
Warmer than it used to be
The last 30 years in Walnut Creek averaged 0.9° warmer than the 1900s. The biggest change is in January (+2.8°).
A smaller shift than in 80% of U.S. towns.
Change by month
How Walnut Creek compares
Against every U.S. town on TownTapestry, each counted once, with its place in Kansas.
Walnut Creek 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 | 40° | 17° | 0.6" | 4.5" | 3 | 5 | 21° – 40° |
| February | 45° | 20° | 0.8" | 5.8" | 4 | 5 | 24° – 42° |
| March | 56° | 30° | 1.4" | 1.7" | 5 | 2 | 35° – 55° |
| April | 66° | 39° | 2.3" | 0.5" | 8 | 0 | 45° – 58° |
| May | 76° | 50° | 4.0" | 0 | 9 | 0 | 56° – 70° |
| June | 87° | 61° | 3.6" | 0 | 8 | 0 | 69° – 78° |
| July | 92° | 66° | 4.3" | 0 | 9 | 0 | 74° – 85° |
| August | 89° | 64° | 3.5" | 0 | 8 | 0 | 71° – 85° |
| September | 82° | 55° | 2.4" | 0 | 6 | 0 | 62° – 75° |
| October | 69° | 42° | 1.9" | 0.3" | 5 | 0 | 49° – 60° |
| November | 54° | 29° | 1.1" | 1.6" | 4 | 1 | 33° – 49° |
| December | 43° | 20° | 0.9" | 3.5" | 4 | 4 | 21° – 37° |
| Year | 67° | 41° | 27.0" | 17.9" | 73 | 17 |
Heating and cooling a home in Walnut Creek
78% of the work is heating.
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 35° to 55°. June is the most reliable, staying within 10°.
Common questions about Walnut Creek’s climate
What is the coldest month in Walnut Creek?
January, with a typical high of 40° and a low of 17°.
What is the hottest month in Walnut Creek?
July, with a typical high of 92° and a low of 66°. About 57 days a year reach 90°.
How much snow does Walnut Creek get?
About 18 inches in a normal winter, most of it in February.
When is the first frost in Walnut Creek?
In half of years the first 32° night comes by October 19, and the last spring frost by April 19.
What is the rainiest month in Walnut Creek?
July, with 4.3 inches of rain and melted snow. The year totals 27 inches.
Neighbors talk weather
Gardens, snow, and the best days of the year in Walnut Creek.
Your answer becomes a post in Town Square.
Temperatures and rainfall come from NOAA’s gridded climate normals for Walnut Creek itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Cawker City, KS (8 mi, snow) and Beloit, KS (11 mi, frost, heat and degree days). 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.