Little Walnut, KS climate
Little Walnut has chilly winters and warm summers. A typical July afternoon reaches 91°, a January night drops to 22°, and about 9 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Little Walnut feels like
Winter
Spring
Summer
Fall
Little Walnut 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 | 43° | 22° | 0.9" | 1.9" | 4 | 3 | 27° – 43° |
| February | 48° | 25° | 1.4" | 2.1" | 4 | 2 | 29° – 45° |
| March | 58° | 35° | 2.5" | 1.5" | 7 | 1 | 40° – 58° |
| April | 68° | 44° | 3.5" | 0 | 8 | 0 | 49° – 62° |
| May | 76° | 54° | 5.7" | 0 | 11 | 0 | 60° – 73° |
| June | 85° | 64° | 5.5" | 0 | 9 | 0 | 69° – 79° |
| July | 91° | 68° | 4.2" | 0 | 7 | 0 | 75° – 87° |
| August | 90° | 67° | 4.1" | 0 | 7 | 0 | 72° – 86° |
| September | 82° | 58° | 3.5" | 0 | 7 | 0 | 65° – 77° |
| October | 70° | 46° | 3.2" | 0 | 7 | 0 | 50° – 63° |
| November | 57° | 34° | 1.9" | 0.2" | 5 | 0 | 39° – 53° |
| December | 45° | 25° | 1.4" | 2.8" | 5 | 3 | 23° – 40° |
| Year | 68° | 45° | 37.7" | 8.5" | 81 | 9 |
“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.
Rain and snow in Little Walnut
Little Walnut gets 38 inches of rain and melted snow a year. May is the wettest month and January the driest. Rain or snow falls on about 81 days a year. Snow covers the ground about 9 days of the year.
About 193 frost-free days a year
In half of years the last 32° night comes by April 13 and the first one by October 25. That leaves about 193 frost-free days for gardens, longer than 67% of U.S. towns.
Heating and cooling a home in Little Walnut
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Little Walnut, 75% of that work is heating and 25% is cooling.
Degree days measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.
Little Walnut and its neighbors
Little Walnut borders 4 towns with climate data. January nights across them vary by 0.6°. Prospect has the coldest January nights (21°) and Spring the hottest July afternoons (91°). Little Walnut’s January low is 22° and its July high 91°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Little Walnut compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Warmer than it used to be
The last 30 years in Little Walnut averaged 0.8° warmer than the 1900s. The biggest change is in January (+2.2°). The shift is smaller than in 87% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Little Walnut’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. March swings the most: between 1991 and 2020 its average temperature ranged from 40° to 58°. June is the most reliable, staying within 10°.
Common questions about Little Walnut’s climate
What is the coldest month in Little Walnut?
January, with a typical high of 43° and a low of 22°.
What is the hottest month in Little Walnut?
July, with a typical high of 91° and a low of 68°. About 54 days a year reach 90°.
How much snow does Little Walnut get?
About 9 inches in a normal winter, most of it in December.
When is the first frost in Little Walnut?
In half of years the first 32° night comes by October 25, and the last spring frost by April 13.
What is the rainiest month in Little Walnut?
May, with 5.7 inches of rain and melted snow. The year totals 38 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Little Walnut itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Augusta, KS (11 mi, snow) and El Dorado, KS (10 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.