Castleton Township reaches 100° on about 12 days a year, more than 92% of U.S. towns
The coldest hours of a January night bottom out at 21° on average. From frosty January to warm July, readings climb 72°. It is a dry place: less rain and snow fall here than on 85% of U.S. towns. Warm coats and heating bills mark the months from November to March, when means dip under 50°.
A year in Castleton Township at a glance
Each month’s typical high and low, and what it brings.
What stands out about Castleton Township’s climate
Compared with towns across the U.S., with Castleton Township’s place in Kansas beside it.
What a year in Castleton Township feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 181 frost-free days a year
In half of years the last 32° night comes by April 20 and the first by October 19. Frost and day counts come from NOAA’s station at Hutchinson 10 Sw, KS, 6 miles from the town’s center, at about the same height.
The 2023 USDA map puts Castleton Township’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 11 inches of snow a winter
Snow, measured at Pretty Prairie 1 N, KS, falls mostly in February and December. Precipitation (rain plus melted snow) adds up to 31 inches a year; May is the wettest month and January the driest. Rain or snow falls on about 77 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Castleton Township
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 Hutchinson 10 Sw, KS.
Living with Castleton Township’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
181 frost-free days in zone 6b. The last frost comes by Apr 20 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.
Months with highs of 62–84° and lows of 40° or more: April, May, September and October.
Parks & trails →Of the yearly building losses FEMA expects in Castleton Township from natural hazards, river flooding is the largest share (28%); heat waves, cold waves, winter storms and ice storms together are 16%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Castleton Township and its neighbors
Every town next door is within a degree of Castleton Township in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like Castleton Township’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 |
|---|---|---|---|---|
| Castleton Township, KS | 21° | 93° | 31" | 11" |
| Weatherford, OK | 26° | 95° | 31" | 5.7" |
| Perryton, TX | 22° | 94° | 21" | 14" |
| South Ogden, UT | 21° | 91° | 22" | 23" |
| Kansas City, MO | 20° | 89° | 39" | 11" |
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 Castleton Township averaged 0.8° warmer than the 1900s. The biggest change is in January (+2.3°).
A smaller shift than in 89% 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 Castleton Township compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Castleton Township’s place among Kansas’.
Castleton Township weather by month
Highs, lows and precipitation from NOAA’s grid at Castleton Township’s center; snow, wet days and snow on the ground from Pretty Prairie 1 N, KS. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | 30-yr range |
|---|---|---|---|---|---|---|
| January | 44° | 21° | 0.8" | 1.5" | 4 | 27° – 43° |
| February | 49° | 25° | 1.2" | 3.0" | 5 | 30° – 45° |
| March | 59° | 34° | 2.3" | 1.6" | 6 | 40° – 57° |
| April | 68° | 43° | 2.6" | 0.5" | 8 | 49° – 63° |
| May | 78° | 54° | 5.0" | 0.0" | 9 | 59° – 73° |
| June | 88° | 64° | 4.5" | 0.0" | 8 | 70° – 81° |
| July | 93° | 69° | 3.7" | 0.0" | 8 | 76° – 89° |
| August | 91° | 67° | 3.7" | 0.0" | 8 | 73° – 86° |
| September | 83° | 58° | 2.4" | 0.0" | 6 | 66° – 78° |
| October | 71° | 45° | 2.7" | 0.2" | 7 | 51° – 63° |
| November | 57° | 33° | 1.4" | 0.8" | 4 | 37° – 53° |
| December | 45° | 24° | 1.2" | 3.3" | 5 | 25° – 39° |
| Year | 69° | 45° | 31.3" | 10.9" | 77 |
How much a month can swing
A normal is an average. March swings the most: from 1991 to 2020 its average ranged from 40° to 57°. June is the most reliable, staying within 11°.
Where Castleton Township’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 Castleton Township’s center.
- Snow: Pretty Prairie 1 N, KS.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Hutchinson 10 Sw, KS, 6 miles from the town’s center, at about the same height; 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 Castleton Township’s climate
What is the weather like in Castleton Township?
A typical July afternoon reaches 93°, a January night drops to 21°, and about 11 inches of snow falls in a normal winter. Colder January nights than 54% of U.S. towns; hotter July afternoons than 91% of U.S. towns.
How cold does it get in Castleton Township in winter?
January nights average 21°. About 126 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 27°.
How much snow does Castleton Township get?
About 11 inches in a normal winter at Pretty Prairie 1 N, KS, most of it in February and December.
How hot does it get in Castleton Township?
July, with a typical high of 93° and a low of 69°. About 63 days a year reach 90° and 12 reach 100° (Hutchinson 10 Sw, KS).
When is the first and last frost in Castleton Township?
In half of years the last spring frost (32°) comes by April 20 and the first fall frost by October 19, about 181 frost-free days, at Hutchinson 10 Sw, KS.
What growing zone is Castleton Township 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 Castleton Township?
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 Castleton Township getting warmer?
Yes: 1991–2020 averaged 0.8° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 89% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Castleton Township.
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.