Lecompton, KS climate
Lecompton has chilly winters and warm summers. A typical July afternoon reaches 89°, a January night drops to 20°, and about 14 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Lecompton feels like
Winter
Spring
Summer
Fall
Lecompton 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 | 30-yr range |
|---|---|---|---|---|---|---|
| January | 39° | 20° | 1.0" | 4.4" | 5 | 23° – 41° |
| February | 45° | 24° | 1.3" | 3.0" | 5 | 27° – 44° |
| March | 56° | 34° | 2.3" | 1.2" | 6 | 38° – 59° |
| April | 66° | 43° | 3.8" | 0.1" | 9 | 47° – 60° |
| May | 76° | 54° | 5.2" | 0 | 9 | 59° – 74° |
| June | 85° | 64° | 5.3" | 0 | 8 | 69° – 79° |
| July | 89° | 68° | 4.3" | 0 | 7 | 74° – 86° |
| August | 88° | 66° | 4.4" | 0 | 8 | 70° – 84° |
| September | 80° | 57° | 3.8" | 0 | 7 | 63° – 75° |
| October | 68° | 45° | 3.0" | 0.3" | 7 | 50° – 62° |
| November | 54° | 33° | 2.0" | 0.7" | 5 | 37° – 51° |
| December | 43° | 24° | 1.5" | 4.4" | 5 | 20° – 39° |
| Year | 66° | 44° | 37.7" | 14.1" | 80 |
“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 Lecompton
Lecompton gets 38 inches of rain and melted snow a year. June is the wettest month and January the driest. Rain or snow falls on about 80 days a year.
About 189 frost-free days a year
In half of years the last 32° night comes by April 15 and the first one by October 22. That leaves about 189 frost-free days for gardens, longer than 63% of U.S. towns.
Heating and cooling a home in Lecompton
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Lecompton, 80% of that work is heating and 20% is cooling, so the furnace matters far more than the air conditioner.
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.
Lecompton and its neighbors
Lecompton borders 6 towns with climate data. January nights across them vary by 1.0°. Kaw has both the coldest January nights (19°) and the hottest July afternoons (90°). Lecompton’s January low is 20° and its July high 89°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Lecompton 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 Lecompton averaged 0.9° warmer than the 1900s. The biggest change is in March (+2.1°). The shift is smaller than in 75% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Lecompton’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 38° to 59°. June is the most reliable, staying within 10°.
Common questions about Lecompton’s climate
What is the coldest month in Lecompton?
January, with a typical high of 39° and a low of 20°.
What is the hottest month in Lecompton?
July, with a typical high of 89° and a low of 68°. About 35 days a year reach 90°.
How much snow does Lecompton get?
About 14 inches in a normal winter, most of it in January.
When is the first frost in Lecompton?
In half of years the first 32° night comes by October 22, and the last spring frost by April 15.
What is the rainiest month in Lecompton?
June, with 5.3 inches of rain and melted snow. The year totals 38 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Lecompton itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Lecompton, KS (2 mi, snow) and Clinton Lake, KS (8 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.