Frost dates for 68833Dunning, NE
The average last spring frost in Dunning is May 10 and the average first fall frost is October 1, giving a typical growing season of about 143 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- May 10
- Average first fall frost
- Oct 1
- Growing season
- 143 days
Safer after May 24 (1-in-10 risk)
Possible by Sep 18 (1-in-10 risk)
Last frost typically in 195 days
Frost risk by date
NOAA reports frost dates as probabilities. The middle date is the average (a 50% chance). For spring, the 10% date is a safer planting date: frost after it happens in about 1 year in 10. Light frost (36°F) can damage tender plants; a hard freeze (28°F) kills most annuals.
| Temperature | Last spring: 90% / 50% / 10% chance | First fall: 10% / 50% / 90% chance | Growing season (50%) | Years with at least one |
|---|---|---|---|---|
| Light frost (36°F) | May 7 · May 20 · Jun 1 | Sep 9 · Sep 23 · Oct 4 | 126 days | 100% |
| Frost / freeze (32°F) | Apr 26 · May 10 · May 24 | Sep 18 · Oct 1 · Oct 13 | 143 days | 100% |
| Hard freeze (28°F) | Apr 15 · Apr 30 · May 14 | Sep 26 · Oct 10 · Oct 22 | 162 days | 100% |
Planting calendar for Dunning
Planting windows from the University of Maryland Extension calendar, shifted to your average frost dates. Use them as a starting point and adjust for seed packet instructions and local conditions.
| Crop | Task | Window |
|---|---|---|
| Tomatoes | Start seeds indoors | Apr 9 – Jun 15 |
| Tomatoes | Transplant outdoors | May 26 – Jun 11 |
| Peppers | Start seeds indoors | Apr 9 – May 10 |
| Peppers | Transplant outdoors | Jun 9 – Jul 10 |
| Eggplant | Start seeds indoors | Apr 26 – May 25 |
| Eggplant | Transplant outdoors | Jun 9 – Jul 10 |
| Cucumbers | Sow outdoors | Jun 9 – Jun 21 |
| Summer squash | Sow outdoors | May 26 – Jul 10 |
| Winter squash & pumpkins | Sow outdoors | Jun 9 – Jul 10 |
| Snap beans | Sow outdoors | May 26 – Jul 14 |
| Sweet corn | Sow outdoors | May 26 – Jun 11 |
| Watermelon & cantaloupe | Sow outdoors | Jun 9 – Jul 10 |
| Okra | Sow outdoors | Jun 2 – Jun 25 |
| Peas | Sow outdoors (spring) | Apr 9 – May 25 |
| Potatoes | Plant outdoors (spring) | Apr 9 – Jun 9 |
| Onions | Start seeds indoors (spring) | Feb 26 – Mar 25 |
| Onions | Transplant outdoors (spring) | Apr 26 – May 25 |
| Broccoli | Start seeds indoors (spring) | Mar 22 – Apr 25 |
| Broccoli | Transplant outdoors (spring) | Apr 26 – May 25 |
| Broccoli | Start seeds indoors (fall) | Jun 1 – Jun 11 |
| Broccoli | Transplant outdoors (fall) | Jul 1 – Jul 12 |
| Cabbage | Start seeds indoors (spring) | Mar 12 – Apr 9 |
| Cabbage | Transplant outdoors (spring) | Apr 9 – May 10 |
| Cabbage | Start seeds indoors (fall) | May 22 – Jun 21 |
| Cabbage | Transplant outdoors (fall) | Jun 21 – Jul 22 |
| Leaf lettuce | Sow outdoors (spring) | Apr 9 – Jun 25 |
| Leaf lettuce | Sow outdoors (fall) | Jun 21 – Aug 7 |
| Spinach | Sow outdoors (spring) | Apr 2 – May 16 |
| Spinach | Sow outdoors (fall) | Jul 8 – Aug 12 |
| Radishes | Sow outdoors (spring) | Apr 9 – May 30 |
| Radishes | Sow outdoors (fall) | Jun 21 – Aug 22 |
| Kale | Sow outdoors (spring) | Apr 26 – May 16 |
| Kale | Sow outdoors (fall) | Jun 14 – Jul 22 |
| Carrots | Sow outdoors (spring) | May 10 – Jun 25 |
| Carrots | Sow outdoors (fall) | May 22 – Jul 7 |
| Garlic | Plant outdoors (fall) | Sep 21 – Oct 22 |
Where these dates come from
ZIP code 68833 is matched to the NOAA station Anselmo 2 Wsw, NE, 27.1 km away, at 2,733 ft elevation (59 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Anselmo 2 Wsw, NE (used) | 2,733 ft | May 10 | Oct 1 |
| Purdum, NE | 2,690 ft | May 9 | Oct 2 |
| Elsmere 9 Ene, NE | 2,654 ft | May 6 | Oct 3 |
| Arnold 4 Wnw, NE | 2,877 ft | May 5 | Oct 3 |
Frost dates near Dunning
- Halsey, NE 69142 · last May 9, first Oct 2
- Brewster, NE 68821 · last May 6, first Oct 3
- Anselmo, NE 68813 · last May 10, first Oct 1
- Purdum, NE 69157 · last May 9, first Oct 2
- Arnold, NE 69120 · last May 5, first Oct 3
- Thedford, NE 69166 · last May 9, first Oct 2
- Merna, NE 68856 · last May 10, first Oct 1
- Stapleton, NE 69163 · last May 8, first Oct 3
Frequently asked questions
- When is the last frost in Dunning, NE?
- For ZIP code 68833, the average last spring frost (32°F) is May 10, based on NOAA 1991-2020 climate normals for the Anselmo 2 Wsw, NE weather station. There is a 1-in-10 chance of a frost after May 24.
- When is the first frost in Dunning, NE?
- The average first fall frost (32°F) is October 1. There is a 1-in-10 chance of frost by September 18, so tender plants are at risk from that point on.
- How long is the growing season in 68833?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 143 days long.
- Are these frost dates a forecast?
- No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.