USDA Hardiness Zone 6a
Frost Dates for 64489 — Stanberry, Missouri
NOAA 1991–2020 normals from Conception, MO (1,108 ft), 7 miles west.
Updated
In Stanberry, the last spring frost (32°F) is around April 17 in half of years and has passed by April 30 in nine years out of ten. The first fall frost comes around October 20, as early as October 3 one year in ten, leaving a typical freeze-free season of 184 days (NOAA, Conception, MO).
- Last spring frost
- April 17
- First fall frost
- October 20
- Growing season
- 184 days
- Hardiness zone
- 6a
50% probability
50% probability
freeze-free, 50%
-10 to -5°F (-23.3 to -20.6°C) coldest night
- First snow
- November 27
- Last snow
- March 16
- Winters with snow
- 100%
- Snow per year
- 19.4"
median, 1991–2020
median, 1991–2020
26 of 26 observed
NOAA normal
Frost risk by date in Stanberry
Half of springs at Conception, MO see their last 32°F night by April 17; only one in ten is past it by April 3, and one in ten still has one after April 30. Planting tender crops after April 23 leaves a 30% risk of a frost on them, after April 26 20%, and after April 30 10%. The 13 days between the even-odds date and the one-in-ten date is narrower than at 94% of the 158 Missouri stations behind this site's ZIP pages.
In fall the first 32°F night comes by October 20 in half of years, as early as October 3 one year in ten, and holds off past November 2 one year in ten. A hard freeze of 28°F follows 10 days later, around October 30; in spring the one-in-ten date for 28°F is April 22, 8 days before the 32°F one. The freeze-free season lasts 184 days in a typical year, shorter than at 81% of the 158 Missouri stations; it reaches 204 days one year in ten and falls short of 166 one year in ten. On average 128 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 10 days longer, to about April 27, and return around October 10. Severe cold of 16°F or below comes every winter, usually between November 24 and March 14.
| Low | 90% | 80% | 70% | 60% | 50% | 40% | 30% | 20% | 10% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F | Apr 14 | Apr 18 | Apr 21 | Apr 24 | Apr 27 | Apr 30 | May 2 | May 5 | May 7 |
| 32°F | Apr 3 | Apr 8 | Apr 11 | Apr 14 | Apr 17 | Apr 20 | Apr 23 | Apr 26 | Apr 30 |
| 28°F | Mar 25 | Mar 31 | Apr 3 | Apr 5 | Apr 8 | Apr 11 | Apr 14 | Apr 17 | Apr 22 |
| 24°F | Mar 14 | Mar 21 | Mar 26 | Mar 30 | Apr 1 | Apr 3 | Apr 6 | Apr 9 | Apr 14 |
| 20°F | Mar 5 | Mar 10 | Mar 15 | Mar 19 | Mar 23 | Mar 27 | Mar 31 | Apr 2 | Apr 6 |
| 16°F | Feb 27 | Mar 3 | Mar 7 | Mar 10 | Mar 14 | Mar 17 | Mar 21 | Mar 26 | Mar 31 |
| Low | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F | Sep 25 | Sep 30 | Oct 3 | Oct 6 | Oct 10 | Oct 13 | Oct 16 | Oct 20 | Oct 24 |
| 32°F | Oct 3 | Oct 10 | Oct 14 | Oct 17 | Oct 20 | Oct 23 | Oct 26 | Oct 29 | Nov 2 |
| 28°F | Oct 13 | Oct 20 | Oct 24 | Oct 28 | Oct 30 | Nov 1 | Nov 4 | Nov 9 | Nov 14 |
| 24°F | Oct 25 | Oct 31 | Nov 1 | Nov 4 | Nov 7 | Nov 11 | Nov 14 | Nov 18 | Nov 23 |
| 20°F | Nov 2 | Nov 6 | Nov 10 | Nov 13 | Nov 16 | Nov 19 | Nov 23 | Nov 27 | Dec 2 |
| 16°F | Nov 9 | Nov 14 | Nov 18 | Nov 21 | Nov 24 | Nov 28 | Dec 1 | Dec 5 | Dec 11 |
Freeze probabilities 1991–2020 at Conception, MO, 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 64489 →Compare Stanberry with another place →
Weather by month in Stanberry
July is the warmest month at Conception, MO, averaging 86°F by day and 66°F at night; January is the coldest at 34°F and 15°F. A freezing night is all but certain in every month from November to April (a 90% chance or more). From May to September the chance of a 32°F night stays under 10% each month.
Warmth for growing adds up to 3,523 growing degree days a year (base 50°F), fewer than at 93% of the 158 Missouri stations. 35% of them (1,241) have built up by the end of June, and July adds the most, 806. Precipitation totals 38.7 inches a year, most in July (5.5") and least in January (0.9"); May to September bring 61% of it.
| Month | High °F | Low °F | Precip. in | 32°F night | Nights ≤ 32°F | GDD 50°F |
|---|---|---|---|---|---|---|
| Jan | 34 | 15 | 0.9 | 100% | 30 | 0 |
| Feb | 39 | 19 | 1.4 | 100% | 25 | 4 |
| Mar | 51 | 30 | 2.4 | 100% | 19 | 43 |
| Apr | 63 | 41 | 4.0 | 95% | 6 | 146 |
| May | 72 | 52 | 5.2 | 7% | 0 | 388 |
| Jun | 82 | 62 | 5.1 | 0% | 0 | 660 |
| Jul | 86 | 66 | 5.5 | 0% | 0 | 806 |
| Aug | 85 | 64 | 4.1 | 0% | 0 | 752 |
| Sep | 78 | 55 | 3.7 | 8% | <1 | 492 |
| Oct | 65 | 43 | 2.9 | 84% | 4 | 197 |
| Nov | 51 | 31 | 2.0 | 100% | 17 | 34 |
| Dec | 38 | 21 | 1.5 | 100% | 28 | 2 |
Monthly normals 1991–2020 at Conception, MO (1,108 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, Albany, MO, 12 miles east of Stanberry and 233 feet lower, has the same 50% last-frost date, a first frost 1 day later (October 21), a season 1 day longer.
When it snows in Stanberry, Missouri
The first measurable snow (0.1 inch or more) in Stanberry usually arrives around November 27, and the last of the season around March 16. Those are the middle dates across the winters of 1991–2020 at Conception, MO, 7.4 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 32 days after the last snow.
Planting calendar for 64489
| When | What to do |
|---|---|
| February 6 – February 20 | Start peppers and aubergines indoorsThey need eight to ten weeks under lights before they can go out. |
| February 20 – March 6 | Start tomatoes indoorsSix to eight weeks gives a transplant big enough to set fruit early. |
| March 20 – April 3 | Sow peas, spinach, lettuce, radish outdoorsThese tolerate light frost and prefer to germinate in cool soil. |
| April 17 onward | Transplant tomatoes, peppers, basil, squash, cucumbersThe average last freeze has passed — still watch the actual forecast. |
| by July 28 | Sow the autumn crop of carrots, beets and brassicasThey need about twelve weeks to size up before growth stops. |
| by October 6 | Harvest tender crops, or be ready to cover themA first freeze two weeks early is well within normal variation. |
| October 20 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 64489 is 7 miles from Conception, MO, which stands at 1,108 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 64489 in zone 6a, the band where the coldest night of the year averaged -10 to -5°F (-23.3 to -20.6°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.