LeRoy has warmer summer afternoons than 76% of U.S. towns
On a normal January night the air cools to about 21°. Seasons differ by 68°, from the coldest nights to the warmest afternoons. It is a dry place: less rain and snow fall here than on 63% of U.S. towns. Keep the boiler serviced for the months from November to March, which average under 50°.
A year in LeRoy at a glance
Each month’s typical high and low, and what it brings.
What stands out about LeRoy’s climate
Compared with towns across the U.S., with LeRoy’s place in Kansas beside it.
What a year in LeRoy feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 198 frost-free days a year
In half of years the last 32° night comes by April 10 and the first by October 28. Frost and day counts come from NOAA’s station at Yates Ctr, KS, 15 miles from the town’s center, 100 ft higher.
The 2023 USDA map puts LeRoy’s center in zone 6b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −1°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
About 8 inches of snow a winter
Snow, measured at Le Roy, KS, falls mostly in January. Precipitation (rain plus melted snow) adds up to 39 inches a year; May is the wettest month and January the driest. Rain or snow falls on about 63 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in LeRoy
77% of the work is heating. Months averaging under 55° run from November through March.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Yates Ctr, KS.
Living with LeRoy’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
198 frost-free days in zone 6b. The last frost comes by Apr 10 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 28.
Months with highs of 62–84° and lows of 40° or more: April, May, September and October. 0.0 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in LeRoy from natural hazards, river flooding is the largest share (43%); heat waves, cold waves, winter storms and ice storms together are 14%. Normals are averages; the hazards page covers the extremes.
Natural hazards →LeRoy and similar climates
TownRatings has no climate map of the towns around LeRoy yet.
Climates most like LeRoy’s, farther away
TownRatings’ own comparison of NOAA 1991–2020 normals, not a NOAA product: places of 5,000+ at least 150 miles away, one per state, closest on January low, July high, precipitation and snow.
| Town | Jan. low | July high | Precip. | Snow |
|---|---|---|---|---|
| LeRoy, KS | 21° | 90° | 39" | 8.1" |
| Washington, MO | 21° | 89° | 43" | 7.9" |
| Columbia, IL | 24° | 89° | 42" | 8.8" |
| Fredericksburg, VA | 25° | 89° | 43" | 11" |
| Hamilton, OH | 22° | 87° | 43" | 9.7" |
Temperatures and precipitation come from NOAA’s 5 km grid; snow and day counts from the stations named on this page.
Warmer than it used to be
The last 30 years in LeRoy averaged 0.6° warmer than the 1900s. The biggest change is in March (+1.8°).
A smaller shift than in 96% of U.S. towns.
Change by month
The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.
How LeRoy compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with LeRoy’s place among Kansas’.
LeRoy weather by month
Highs, lows and precipitation from NOAA’s grid at LeRoy’s center; snow, wet days and snow on the ground from Le Roy, KS. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | 30-yr range |
|---|---|---|---|---|---|---|
| January | 42° | 21° | 1.1" | 2.8" | 3 | 25° – 42° |
| February | 47° | 25° | 1.5" | 2.3" | 3 | 28° – 45° |
| March | 57° | 35° | 2.5" | 0.8" | 5 | 39° – 58° |
| April | 67° | 44° | 3.9" | 0.0" | 7 | 48° – 62° |
| May | 76° | 55° | 5.6" | 0.0" | 8 | 60° – 73° |
| June | 85° | 64° | 5.1" | 0.0" | 7 | 70° – 80° |
| July | 90° | 68° | 4.3" | 0.0" | 7 | 75° – 86° |
| August | 89° | 67° | 3.9" | 0.0" | 5 | 71° – 84° |
| September | 81° | 58° | 4.3" | 0.0" | 6 | 65° – 76° |
| October | 69° | 46° | 3.4" | 0.1" | 5 | 50° – 63° |
| November | 56° | 34° | 2.3" | 0.0" | 4 | 39° – 52° |
| December | 45° | 25° | 1.6" | 2.1" | 3 | 22° – 42° |
| Year | 67° | 45° | 39.3" | 8.1" | 63 |
How much a month can swing
A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 22° to 42°. June is the most reliable, staying within 10°.
Where LeRoy’s numbers come from
Normals are 30-year averages, not a forecast. How TownRatings reads climate data →
- Temperatures and precipitation: NOAA’s gridded 1991–2020 normals for the 5 km cell at LeRoy’s center.
- Snow: Le Roy, KS (NOAA station in town).
- Frost, freezing nights, 90° and 100° days, heating and cooling: Yates Ctr, KS, 15 miles from the town’s center, 100 ft higher; the nearest station that passes our checks for distance, height and agreement with the grid.
- Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
- Then and now: NOAA’s gridded normals for 1901–2000 at the same cell.
- Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).
Common questions about LeRoy’s climate
What is the weather like in LeRoy?
A typical July afternoon reaches 90°, a January night drops to 21°, and about 8 inches of snow falls in a normal winter. Colder January nights than 52% of U.S. towns; hotter July afternoons than 76% of U.S. towns.
How cold does it get in LeRoy in winter?
January nights average 21°. About 108 nights a year reach 32° or below and 2 reach 0° or below. In the coldest January of the last 30 years the month averaged 25°.
How much snow does LeRoy get?
About 8.1 inches in a normal winter at Le Roy, KS, most of it in January.
How hot does it get in LeRoy?
July, with a typical high of 90° and a low of 68°. About 41 days a year reach 90° and 4 reach 100° (Yates Ctr, KS).
When is the first and last frost in LeRoy?
In half of years the last spring frost (32°) comes by April 10 and the first fall frost by October 28, about 198 frost-free days, at Yates Ctr, KS.
What growing zone is LeRoy in?
Zone 6b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −1°.
What is the best time of year to visit LeRoy?
By one simple rule (highs of 62–84° and lows of 40° or more), April, May, September and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is LeRoy getting warmer?
Yes: 1991–2020 averaged 0.6° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 96% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in LeRoy.
Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.