USDA Hardiness Zone 5b
Frost Dates for 68632 — David City, Nebraska
NOAA 1991–2020 normals from David City, NE (1,610 ft), under a mile southwest.
Updated
In David City, the last spring frost (32°F) is around April 26 in half of years and has passed by May 8 in nine years out of ten. The first fall frost comes around October 11, as early as September 28 one year in ten, leaving a typical freeze-free season of 168 days (NOAA, David City, NE).
- Last spring frost
- April 26
- First fall frost
- October 11
- Growing season
- 168 days
- Hardiness zone
- 5b
50% probability
50% probability
freeze-free, 50%
-15 to -10°F (-26.1 to -23.3°C) coldest night
- First snow
- November 11
- Last snow
- March 28
- Winters with snow
- 100%
- Snow per year
- 31.8"
median, 1991–2020
median, 1991–2020
22 of 22 observed
NOAA normal
Frost risk by date in David City
Half of springs at David City, NE see their last 32°F night by April 26; only one in ten is past it by April 12, and one in ten still has one after May 8. Planting tender crops after May 2 leaves a 30% risk of a frost on them, after May 4 20%, and after May 8 10%. The 12 days between the even-odds date and the one-in-ten date is narrower than at 57% of the 68 Nebraska stations behind this site's ZIP pages.
In fall the first 32°F night comes by October 11 in half of years, as early as September 28 one year in ten, and holds off past October 23 one year in ten. A hard freeze of 28°F follows 9 days later, around October 20; in spring the one-in-ten date for 28°F is May 1, 7 days before the 32°F one. The freeze-free season lasts 168 days in a typical year, longer than at 57% of the 68 Nebraska stations; it reaches 187 days one year in ten and falls short of 148 one year in ten. On average 147 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 9 days longer, to about May 5, and return around October 3. Severe cold of 16°F or below comes every winter, usually between November 15 and March 20.
| Low | 90% | 80% | 70% | 60% | 50% | 40% | 30% | 20% | 10% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F | Apr 22 | Apr 28 | May 1 | May 3 | May 5 | May 7 | May 10 | May 13 | May 17 |
| 32°F | Apr 12 | Apr 17 | Apr 21 | Apr 23 | Apr 26 | Apr 30 | May 2 | May 4 | May 8 |
| 28°F | Apr 3 | Apr 7 | Apr 10 | Apr 14 | Apr 17 | Apr 19 | Apr 23 | Apr 26 | May 1 |
| 24°F | Mar 23 | Mar 30 | Apr 2 | Apr 4 | Apr 7 | Apr 10 | Apr 14 | Apr 18 | Apr 23 |
| 20°F | Mar 11 | Mar 17 | Mar 22 | Mar 27 | Mar 31 | Apr 3 | Apr 6 | Apr 9 | Apr 15 |
| 16°F | Mar 3 | Mar 8 | Mar 12 | Mar 16 | Mar 20 | Mar 24 | Mar 29 | Apr 1 | Apr 6 |
| Low | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F | Sep 21 | Sep 25 | Sep 28 | Sep 30 | Oct 3 | Oct 5 | Oct 8 | Oct 12 | Oct 16 |
| 32°F | Sep 28 | Oct 1 | Oct 5 | Oct 8 | Oct 11 | Oct 14 | Oct 17 | Oct 19 | Oct 23 |
| 28°F | Oct 3 | Oct 10 | Oct 14 | Oct 17 | Oct 20 | Oct 23 | Oct 25 | Oct 28 | Nov 1 |
| 24°F | Oct 14 | Oct 20 | Oct 23 | Oct 26 | Oct 30 | Nov 1 | Nov 4 | Nov 8 | Nov 12 |
| 20°F | Oct 23 | Oct 29 | Nov 1 | Nov 4 | Nov 7 | Nov 11 | Nov 14 | Nov 18 | Nov 23 |
| 16°F | Oct 31 | Nov 5 | Nov 9 | Nov 12 | Nov 15 | Nov 19 | Nov 23 | Nov 28 | Dec 2 |
Freeze probabilities 1991–2020 at David City, NE, 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 68632 →Compare David City with another place →
Weather by month in David City
July is the warmest month at David City, NE, averaging 86°F by day and 64°F at night; January is the coldest at 31°F and 12°F. A freezing night is all but certain in every month from October to April (a 90% chance or more). From June to August the chance of a 32°F night stays under 10% each month. In spring, May still brings one in 36% of years.
Warmth for growing adds up to 3,201 growing degree days a year (base 50°F), fewer than at 54% of the 68 Nebraska stations. 34% of them (1,097) have built up by the end of June, and July adds the most, 773. Precipitation totals 30.5 inches a year, most in June (4.9") and least in January (0.8"); May to September bring 63% of it.
| Month | High °F | Low °F | Precip. in | 32°F night | Nights ≤ 32°F | GDD 50°F |
|---|---|---|---|---|---|---|
| Jan | 31 | 12 | 0.8 | 100% | 31 | 0 |
| Feb | 36 | 15 | 0.9 | 100% | 26 | 2 |
| Mar | 49 | 26 | 1.7 | 100% | 23 | 28 |
| Apr | 61 | 36 | 3.0 | 99% | 9 | 106 |
| May | 72 | 49 | 4.5 | 36% | 1 | 341 |
| Jun | 82 | 60 | 4.9 | 0% | 0 | 621 |
| Jul | 86 | 64 | 3.1 | 0% | 0 | 773 |
| Aug | 84 | 62 | 4.0 | 0% | 0 | 705 |
| Sep | 77 | 53 | 2.8 | 17% | <1 | 452 |
| Oct | 64 | 40 | 2.2 | 99% | 6 | 155 |
| Nov | 48 | 26 | 1.4 | 100% | 21 | 18 |
| Dec | 35 | 16 | 1.2 | 100% | 30 | 0 |
Monthly normals 1991–2020 at David City, NE (1,610 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, Columbus 3 NE, NE, 18 miles northwest of David City and 160 feet lower, has a last frost 5 days earlier (April 21), a first frost 4 days later (October 15), a season 6 days longer.
When it snows in David City, Nebraska
The first measurable snow (0.1 inch or more) in David City usually arrives around November 11, and the last of the season around March 28. Those are the middle dates across the winters of 1991–2020 at David City, NE, 0.8 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 29 days after the last snow.
Planting calendar for 68632
| When | What to do |
|---|---|
| February 15 – March 1 | Start peppers and aubergines indoorsThey need eight to ten weeks under lights before they can go out. |
| March 1 – March 15 | Start tomatoes indoorsSix to eight weeks gives a transplant big enough to set fruit early. |
| March 29 – April 12 | Sow peas, spinach, lettuce, radish outdoorsThese tolerate light frost and prefer to germinate in cool soil. |
| April 26 onward | Transplant tomatoes, peppers, basil, squash, cucumbersThe average last freeze has passed — still watch the actual forecast. |
| by July 19 | Sow the autumn crop of carrots, beets and brassicasThey need about twelve weeks to size up before growth stops. |
| by September 27 | Harvest tender crops, or be ready to cover themA first freeze two weeks early is well within normal variation. |
| October 11 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 68632 is under a mile from David City, NE, which stands at 1,610 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 68632 in zone 5b, the band where the coldest night of the year averaged -15 to -10°F (-26.1 to -23.3°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.