Frost dates for 74072S Coffeyville, OK
The average last spring frost in S Coffeyville is April 6 and the average first fall frost is November 1, giving a typical growing season of about 208 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 6
- Average first fall frost
- Nov 1
- Growing season
- 208 days
Safer after Apr 21 (1-in-10 risk)
Possible by Oct 17 (1-in-10 risk)
First frost typically in 6 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 1 · Apr 16 · Apr 30 | Oct 6 · Oct 22 · Nov 3 | 187 days | 100% |
| Frost / freeze (32°F) | Mar 20 · Apr 6 · Apr 21 | Oct 17 · Nov 1 · Nov 14 | 208 days | 100% |
| Hard freeze (28°F) | Mar 6 · Mar 26 · Apr 10 | Oct 27 · Nov 9 · Nov 28 | 227 days | 100% |
Planting calendar for S Coffeyville
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 6 – May 12 |
| Tomatoes | Transplant outdoors | Apr 22 – Jul 12 |
| Peppers | Start seeds indoors | Mar 6 – Apr 6 |
| Peppers | Transplant outdoors | May 6 – Jun 6 |
| Eggplant | Start seeds indoors | Mar 23 – Apr 21 |
| Eggplant | Transplant outdoors | May 6 – Jun 6 |
| Cucumbers | Sow outdoors | May 6 – Jul 22 |
| Summer squash | Sow outdoors | Apr 22 – Jun 6 |
| Winter squash & pumpkins | Sow outdoors | May 6 – Jun 6 |
| Snap beans | Sow outdoors | Apr 22 – Aug 14 |
| Sweet corn | Sow outdoors | Apr 22 – Jul 12 |
| Watermelon & cantaloupe | Sow outdoors | May 6 – Jun 6 |
| Okra | Sow outdoors | Apr 29 – May 22 |
| Peas | Sow outdoors (spring) | Mar 6 – Apr 21 |
| Potatoes | Plant outdoors (spring) | Mar 6 – May 6 |
| Onions | Start seeds indoors (spring) | Jan 23 – Feb 19 |
| Onions | Transplant outdoors (spring) | Mar 23 – Apr 21 |
| Broccoli | Start seeds indoors (spring) | Feb 16 – Mar 22 |
| Broccoli | Transplant outdoors (spring) | Mar 23 – Apr 21 |
| Broccoli | Start seeds indoors (fall) | Jul 2 – Jul 12 |
| Broccoli | Transplant outdoors (fall) | Aug 1 – Aug 12 |
| Cabbage | Start seeds indoors (spring) | Feb 6 – Mar 6 |
| Cabbage | Transplant outdoors (spring) | Mar 6 – Apr 6 |
| Cabbage | Start seeds indoors (fall) | Jun 22 – Jul 22 |
| Cabbage | Transplant outdoors (fall) | Jul 22 – Aug 22 |
| Leaf lettuce | Sow outdoors (spring) | Mar 6 – May 22 |
| Leaf lettuce | Sow outdoors (fall) | Jul 22 – Sep 7 |
| Spinach | Sow outdoors (spring) | Feb 27 – Apr 12 |
| Spinach | Sow outdoors (fall) | Aug 8 – Sep 12 |
| Radishes | Sow outdoors (spring) | Mar 6 – Apr 26 |
| Radishes | Sow outdoors (fall) | Jul 22 – Sep 22 |
| Kale | Sow outdoors (spring) | Mar 23 – Apr 12 |
| Kale | Sow outdoors (fall) | Jul 15 – Aug 22 |
| Carrots | Sow outdoors (spring) | Apr 6 – May 22 |
| Carrots | Sow outdoors (fall) | Jun 22 – Aug 7 |
| Garlic | Plant outdoors (fall) | Oct 22 – Nov 22 |
Where these dates come from
ZIP code 74072 is matched to the NOAA station Coffeyville Wtr Wks, KS, 9 km away, at 737 ft elevation (22 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Coffeyville Wtr Wks, KS (used) | 737 ft | Apr 6 | Nov 1 |
| Coffeyville Muni Ap, KS | 752 ft | Apr 6 | Oct 29 |
| Mound Valley 3 Wsw, KS | 800 ft | Apr 15 | Oct 24 |
| Independence, KS | 805 ft | Apr 5 | Oct 31 |
Frost dates near S Coffeyville
- Coffeyville, KS 67337 · last Apr 6, first Nov 1
- Lenapah, OK 74042 · last Apr 6, first Nov 1
- Dearing, KS 67340 · last Apr 6, first Nov 1
- Wann, OK 74083 · last Apr 6, first Nov 1
- Liberty, KS 67351 · last Apr 6, first Oct 29
- Tyro, KS 67364 · last Apr 6, first Nov 1
- Delaware, OK 74027 · last Apr 4, first Nov 1
- Edna, KS 67342 · last Apr 15, first Oct 24
Frequently asked questions
- When is the last frost in S Coffeyville, OK?
- For ZIP code 74072, the average last spring frost (32°F) is April 6, based on NOAA 1991-2020 climate normals for the Coffeyville Wtr Wks, KS weather station. There is a 1-in-10 chance of a frost after April 21.
- When is the first frost in S Coffeyville, OK?
- The average first fall frost (32°F) is November 1. There is a 1-in-10 chance of frost by October 17, so tender plants are at risk from that point on.
- How long is the growing season in 74072?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 208 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.