Frost dates for 67634Dorrance, KS
The average last spring frost in Dorrance is April 21 and the average first fall frost is October 17, giving a typical growing season of about 179 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 21
- Average first fall frost
- Oct 17
- Growing season
- 179 days
Safer after May 2 (1-in-10 risk)
Possible by Oct 3 (1-in-10 risk)
Last frost typically in 176 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) | Apr 17 · Apr 30 · May 11 | Sep 24 · Oct 9 · Oct 21 | 161 days | 100% |
| Frost / freeze (32°F) | Apr 7 · Apr 21 · May 2 | Oct 3 · Oct 17 · Oct 29 | 179 days | 100% |
| Hard freeze (28°F) | Mar 28 · Apr 12 · Apr 26 | Oct 13 · Oct 26 · Nov 8 | 198 days | 100% |
Planting calendar for Dorrance
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 | Mar 21 – May 27 |
| Tomatoes | Transplant outdoors | May 7 – Jun 27 |
| Peppers | Start seeds indoors | Mar 21 – Apr 21 |
| Peppers | Transplant outdoors | May 21 – Jun 21 |
| Eggplant | Start seeds indoors | Apr 7 – May 6 |
| Eggplant | Transplant outdoors | May 21 – Jun 21 |
| Cucumbers | Sow outdoors | May 21 – Jul 7 |
| Summer squash | Sow outdoors | May 7 – Jun 21 |
| Winter squash & pumpkins | Sow outdoors | May 21 – Jun 21 |
| Snap beans | Sow outdoors | May 7 – Jul 30 |
| Sweet corn | Sow outdoors | May 7 – Jun 27 |
| Watermelon & cantaloupe | Sow outdoors | May 21 – Jun 21 |
| Okra | Sow outdoors | May 14 – Jun 6 |
| Peas | Sow outdoors (spring) | Mar 21 – May 6 |
| Potatoes | Plant outdoors (spring) | Mar 21 – May 21 |
| Onions | Start seeds indoors (spring) | Feb 7 – Mar 6 |
| Onions | Transplant outdoors (spring) | Apr 7 – May 6 |
| Broccoli | Start seeds indoors (spring) | Mar 3 – Apr 6 |
| Broccoli | Transplant outdoors (spring) | Apr 7 – May 6 |
| Broccoli | Start seeds indoors (fall) | Jun 17 – Jun 27 |
| Broccoli | Transplant outdoors (fall) | Jul 17 – Jul 28 |
| Cabbage | Start seeds indoors (spring) | Feb 21 – Mar 21 |
| Cabbage | Transplant outdoors (spring) | Mar 21 – Apr 21 |
| Cabbage | Start seeds indoors (fall) | Jun 7 – Jul 7 |
| Cabbage | Transplant outdoors (fall) | Jul 7 – Aug 7 |
| Leaf lettuce | Sow outdoors (spring) | Mar 21 – Jun 6 |
| Leaf lettuce | Sow outdoors (fall) | Jul 7 – Aug 23 |
| Spinach | Sow outdoors (spring) | Mar 14 – Apr 27 |
| Spinach | Sow outdoors (fall) | Jul 24 – Aug 28 |
| Radishes | Sow outdoors (spring) | Mar 21 – May 11 |
| Radishes | Sow outdoors (fall) | Jul 7 – Sep 7 |
| Kale | Sow outdoors (spring) | Apr 7 – Apr 27 |
| Kale | Sow outdoors (fall) | Jun 30 – Aug 7 |
| Carrots | Sow outdoors (spring) | Apr 21 – Jun 6 |
| Carrots | Sow outdoors (fall) | Jun 7 – Jul 23 |
| Garlic | Plant outdoors (fall) | Oct 7 – Nov 7 |
Where these dates come from
ZIP code 67634 is matched to the NOAA station Wilson Lake, KS, 16.2 km away, at 1,512 ft elevation (181 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Wilson Lake, KS (used) | 1,512 ft | Apr 21 | Oct 17 |
| Russell 7E, KS | 1,870 ft | Apr 22 | Oct 19 |
| Russell Muni Ap, KS | 1,864 ft | Apr 22 | Oct 17 |
| Ellsworth, KS | 1,568 ft | Apr 23 | Oct 16 |
Frost dates near Dorrance
- Wilson, KS 67490 · last Apr 21, first Oct 17
- Bunker Hill, KS 67626 · last Apr 22, first Oct 17
- Lucas, KS 67648 · last Apr 21, first Oct 17
- Russell, KS 67665 · last Apr 22, first Oct 17
- Sylvan Grove, KS 67481 · last Apr 21, first Oct 17
- Holyrood, KS 67450 · last Apr 23, first Oct 16
- Luray, KS 67649 · last Apr 21, first Oct 17
- Claflin, KS 67525 · last Apr 24, first Oct 15
Frequently asked questions
- When is the last frost in Dorrance, KS?
- For ZIP code 67634, the average last spring frost (32°F) is April 21, based on NOAA 1991-2020 climate normals for the Wilson Lake, KS weather station. There is a 1-in-10 chance of a frost after May 2.
- When is the first frost in Dorrance, KS?
- The average first fall frost (32°F) is October 17. There is a 1-in-10 chance of frost by October 3, so tender plants are at risk from that point on.
- How long is the growing season in 67634?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 179 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.