USDA Hardiness Zone 7a
Frost Dates for 67226 — Wichita, Kansas
NOAA 1991–2020 normals from Wichita Jabara Airport, KS (1,421 ft), under a mile southeast.
Updated
In Wichita, the last spring frost (32°F) is around April 10 in half of years and has passed by April 27 in nine years out of ten. The first fall frost comes around October 27, as early as October 13 one year in ten, leaving a typical freeze-free season of 198 days (NOAA, Wichita Jabara Airport, KS).
- Last spring frost
- April 10
- First fall frost
- October 27
- Growing season
- 198 days
- Hardiness zone
- 7a
50% probability
50% probability
freeze-free, 50%
0 to 5°F (-17.8 to -15.0°C) coldest night
- First snow
- December 6
- Last snow
- March 8
- Winters with snow
- 100%
- Snow per year
- 12.7"
median, 1991–2020
median, 1991–2020
30 of 30 observed
NOAA normal
Frost risk by date in Wichita
Half of springs at Wichita Jabara Airport, KS see their last 32°F night by April 10; only one in ten is past it by March 25, and one in ten still has one after April 27. Planting tender crops after April 17 leaves a 30% risk of a frost on them, after April 21 20%, and after April 27 10%. The 17 days between the even-odds date and the one-in-ten date is wider than at 85% of the 110 Kansas stations behind this site's ZIP pages.
In fall the first 32°F night comes by October 27 in half of years, as early as October 13 one year in ten, and holds off past November 9 one year in ten. A hard freeze of 28°F follows 9 days later, around November 5; in spring the one-in-ten date for 28°F is April 14, 13 days before the 32°F one. The freeze-free season lasts 198 days in a typical year, longer than at 77% of the 110 Kansas stations; it reaches 219 days one year in ten and falls short of 178 one year in ten. On average 102 nights a year drop to 32°F or below. Nights of 36°F, when frost can still settle on leaves in low, open spots, continue 12 days longer, to about April 22, and return around October 18. Severe cold of 16°F or below comes every winter, usually between December 3 and February 28.
| Low | 90% | 80% | 70% | 60% | 50% | 40% | 30% | 20% | 10% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F | Apr 5 | Apr 11 | Apr 14 | Apr 19 | Apr 22 | Apr 25 | Apr 29 | May 1 | May 6 |
| 32°F | Mar 25 | Mar 31 | Apr 4 | Apr 7 | Apr 10 | Apr 13 | Apr 17 | Apr 21 | Apr 27 |
| 28°F | Mar 12 | Mar 18 | Mar 22 | Mar 26 | Mar 30 | Apr 1 | Apr 4 | Apr 8 | Apr 14 |
| 24°F | Mar 1 | Mar 6 | Mar 10 | Mar 14 | Mar 18 | Mar 23 | Mar 27 | Mar 31 | Apr 5 |
| 20°F | Feb 20 | Feb 26 | Mar 1 | Mar 3 | Mar 7 | Mar 10 | Mar 14 | Mar 18 | Mar 25 |
| 16°F | Feb 8 | Feb 15 | Feb 19 | Feb 23 | Feb 28 | Mar 2 | Mar 5 | Mar 9 | Mar 15 |
| Low | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F | Oct 1 | Oct 8 | Oct 12 | Oct 15 | Oct 18 | Oct 21 | Oct 24 | Oct 27 | Oct 31 |
| 32°F | Oct 13 | Oct 18 | Oct 21 | Oct 24 | Oct 27 | Oct 30 | Nov 2 | Nov 5 | Nov 9 |
| 28°F | Oct 20 | Oct 26 | Oct 31 | Nov 2 | Nov 5 | Nov 7 | Nov 11 | Nov 15 | Nov 20 |
| 24°F | Oct 30 | Nov 4 | Nov 7 | Nov 11 | Nov 14 | Nov 18 | Nov 21 | Nov 25 | Nov 30 |
| 20°F | Nov 6 | Nov 13 | Nov 17 | Nov 20 | Nov 23 | Nov 27 | Nov 30 | Dec 3 | Dec 9 |
| 16°F | Nov 16 | Nov 22 | Nov 26 | Nov 30 | Dec 3 | Dec 6 | Dec 11 | Dec 17 | Dec 24 |
Freeze probabilities 1991–2020 at Wichita Jabara Airport, KS, from NOAA NCEI U.S. Climate Normals. Where a temperature is reached in fewer than 99.5% of years, the dates describe only the years that reach it. Not a forecast.
Frost risk on any date in 67226 →Compare Wichita with another place →
Weather by month in Wichita
July is the warmest month at Wichita Jabara Airport, KS, averaging 92°F by day and 69°F at night; January is the coldest at 43°F and 23°F. A freezing night is all but certain in every month from November to March (a 90% chance or more). From May to September the chance of a 32°F night stays under 10% each month. In spring, April still brings one in 79% of years.
Warmth for growing adds up to 4,435 growing degree days a year (base 50°F), more than at 87% of the 110 Kansas stations. 36% of them (1,609) have built up by the end of June, and July adds the most, 944. Precipitation totals 32.6 inches a year, most in May (5.2") and least in January (0.6"); May to September bring 63% of it.
| Month | High °F | Low °F | Precip. in | 32°F night | Nights ≤ 32°F | GDD 50°F |
|---|---|---|---|---|---|---|
| Jan | 43 | 23 | 0.6 | 100% | 27 | 4 |
| Feb | 48 | 26 | 1.1 | 100% | 22 | 17 |
| Mar | 59 | 35 | 2.1 | 100% | 12 | 87 |
| Apr | 68 | 45 | 3.0 | 79% | 3 | 238 |
| May | 77 | 55 | 5.2 | 4% | 0 | 497 |
| Jun | 86 | 65 | 4.8 | 0% | 0 | 766 |
| Jul | 92 | 69 | 3.6 | 0% | 0 | 944 |
| Aug | 90 | 68 | 3.8 | 0% | 0 | 893 |
| Sep | 83 | 59 | 3.2 | 3% | 0 | 620 |
| Oct | 70 | 47 | 2.8 | 62% | 2 | 295 |
| Nov | 57 | 35 | 1.3 | 100% | 12 | 68 |
| Dec | 45 | 26 | 1.1 | 100% | 25 | 8 |
Monthly normals 1991–2020 at Wichita Jabara Airport, KS (1,421 ft), NOAA NCEI. "32°F night": chance of at least one in the month. GDD: growing degree days, base 50°F.
Compared with the next station
The nearest other station, Wichita Wx, KS, 13 miles southwest of Wichita, has a last frost 2 days earlier (April 8), the same first-frost date, a season 2 days longer.
When it snows in Wichita, Kansas
The first measurable snow (0.1 inch or more) in Wichita usually arrives around December 6, and the last of the season around March 8. Those are the middle dates across the winters of 1991–2020 at Wichita, KS, 13.3 miles away: half of years saw snow earlier, half later. Every one of those winters saw snow. The last 32°F night of spring typically comes 33 days after the last snow.
Planting calendar for 67226
| When | What to do |
|---|---|
| January 30 – February 13 | Start peppers and aubergines indoorsThey need eight to ten weeks under lights before they can go out. |
| February 13 – February 27 | Start tomatoes indoorsSix to eight weeks gives a transplant big enough to set fruit early. |
| March 13 – March 27 | Sow peas, spinach, lettuce, radish outdoorsThese tolerate light frost and prefer to germinate in cool soil. |
| April 10 onward | Transplant tomatoes, peppers, basil, squash, cucumbersThe average last freeze has passed — still watch the actual forecast. |
| by August 4 | Sow the autumn crop of carrots, beets and brassicasThey need about twelve weeks to size up before growth stops. |
| by October 13 | Harvest tender crops, or be ready to cover themA first freeze two weeks early is well within normal variation. |
| October 27 onward | Plant garlic, mulch beds, lift tender bulbsGarlic wants a cold spell; bare soil loses structure over winter. |
The weeks before and after the 50% dates are general rules of thumb, not NOAA figures; a seed packet gives the timing for each variety.
Where these figures come from
ZIP 67226 is under a mile from Wichita Jabara Airport, KS, which stands at 1,421 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 15 other ZIP codes share the station; its figures are presented in full for 67207 (Wichita). The 2023 USDA Plant Hardiness Zone Map lists ZIP 67226 in zone 7a, the band where the coldest night of the year averaged 0 to 5°F (-17.8 to -15.0°C) over 1991–2020; a zone describes winter lows, not frost dates.
Hardiness zone and temperature range: USDA Plant Hardiness Zone Map 2023 (USDA-ARS, Oregon State University), ZIP-code listing, unchanged. °C converted from °F by this site.
Thirty-year averages, not a forecast: check the forecast before planting out. How stations are matched and which pages are offered to search engines: methodology.