Bonner Springs High School · Photo: SharonPapierdreams · CC BY-SA 4.0Summer arrives in force in Bonner Springs, hotter than in 73% of U.S. towns
Midwinter brings lows of about 20°. Its yearly precipitation falls short of 64% of U.S. towns. Compared with 1901–2000, the average now sits 1.0° higher. Tender plants can go out after about April 16; in half of years the first frost comes by October 22.
A year in Bonner Springs at a glance
Each month’s typical high and low, and what it brings.
What stands out about Bonner Springs’ climate
Compared with towns across the U.S., with Bonner Springs’ place in Kansas beside it.
What a year in Bonner Springs feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 188 frost-free days a year
In half of years the last 32° night comes by April 16 and the first by October 22. Frost and day counts come from NOAA’s station at Bonner Springs, KS, 1.6 miles from the town’s center, at about the same height.
The 2023 USDA map puts Bonner Springs’ center in zone 6b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −4°. 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 12 inches of snow a winter
Snow, measured at Tonganoxie 5se, 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 82 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Bonner Springs
81% 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 Bonner Springs, KS.
Living with Bonner Springs’ climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
188 frost-free days in zone 6b. The last frost comes by Apr 16 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 22.
Months with highs of 62–84° and lows of 40° or more: April, May, September and October. 3.2 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Bonner Springs from natural hazards, river flooding is the largest share (43%); heat waves, cold waves, winter storms and ice storms together are 25%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Bonner Springs and its neighbors
Every town next door is within a degree of Bonner Springs in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like Bonner Springs’, 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 |
|---|---|---|---|---|
| Bonner Springs, KS | 20° | 89° | 39" | 12" |
| Troy, MO | 21° | 88° | 41" | 16" |
| Granite City, IL | 23° | 89° | 42" | 11" |
| Terre Haute, IN | 21° | 87° | 43" | 15" |
| Fredericksburg, VA | 25° | 89° | 43" | 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 Bonner Springs averaged 1.0° warmer than the 1900s. The biggest change is in March (+2.4°).
A smaller shift than in 76% 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 Bonner Springs compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Bonner Springs’ place among Kansas’.
Bonner Springs weather by month
Highs, lows and precipitation from NOAA’s grid at Bonner Springs’ center; snow, wet days and snow on the ground from Tonganoxie 5se, KS. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | 30-yr range |
|---|---|---|---|---|---|---|
| January | 39° | 20° | 1.1" | 4.0" | 5 | 23° – 41° |
| February | 45° | 24° | 1.5" | 2.9" | 5 | 26° – 44° |
| March | 56° | 34° | 2.4" | 1.3" | 7 | 39° – 59° |
| April | 66° | 44° | 3.9" | 0.1" | 9 | 48° – 61° |
| May | 76° | 55° | 5.3" | 0.0" | 11 | 59° – 74° |
| June | 85° | 64° | 5.2" | 0.0" | 8 | 70° – 79° |
| July | 89° | 68° | 4.4" | 0.0" | 7 | 74° – 86° |
| August | 88° | 67° | 4.3" | 0.0" | 7 | 71° – 83° |
| September | 80° | 58° | 3.9" | 0.0" | 7 | 63° – 76° |
| October | 68° | 45° | 3.2" | 0.0" | 7 | 50° – 62° |
| November | 55° | 34° | 2.1" | 0.7" | 5 | 37° – 52° |
| December | 43° | 24° | 1.6" | 3.2" | 5 | 20° – 40° |
| Year | 66° | 45° | 38.9" | 12.2" | 82 |
How much a month can swing
A normal is an average. March swings the most: from 1991 to 2020 its average ranged from 39° to 59°. June is the most reliable, staying within 9°.
Where Bonner Springs’ 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 Bonner Springs’ center.
- Snow: Tonganoxie 5se, KS.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Bonner Springs, KS, 1.6 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 Bonner Springs’ climate
What is the weather like in Bonner Springs?
A typical July afternoon reaches 89°, a January night drops to 20°, and about 12 inches of snow falls in a normal winter. Colder January nights than 59% of U.S. towns; hotter July afternoons than 73% of U.S. towns.
How cold does it get in Bonner Springs in winter?
January nights average 20°. About 128 nights a year reach 32° or below and 5 reach 0° or below. In the coldest January of the last 30 years the month averaged 23°.
How much snow does Bonner Springs get?
About 12 inches in a normal winter at Tonganoxie 5se, KS, most of it in January.
How hot does it get in Bonner Springs?
July, with a typical high of 89° and a low of 68°. About 34 days a year reach 90° and 3 reach 100° (Bonner Springs, KS).
When is the first and last frost in Bonner Springs?
In half of years the last spring frost (32°) comes by April 16 and the first fall frost by October 22, about 188 frost-free days, at Bonner Springs, KS.
What growing zone is Bonner Springs in?
Zone 6b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −4°.
What is the best time of year to visit Bonner Springs?
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 Bonner Springs getting warmer?
Yes: 1991–2020 averaged 1.0° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 76% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Bonner Springs.
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.