Frost dates for 67621Agra, KS
The average last spring frost in Agra is April 26 and the average first fall frost is October 16, giving a typical growing season of about 172 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 26
- Average first fall frost
- Oct 16
- Growing season
- 172 days
Safer after May 7 (1-in-10 risk)
Possible by Oct 1 (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 22 · May 3 · May 15 | Sep 26 · Oct 7 · Oct 19 | 156 days | 100% |
| Frost / freeze (32°F) | Apr 11 · Apr 26 · May 7 | Oct 1 · Oct 16 · Oct 27 | 172 days | 100% |
| Hard freeze (28°F) | Apr 1 · Apr 15 · Apr 30 | Oct 11 · Oct 23 · Nov 5 | 190 days | 100% |
Planting calendar for Agra
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 26 – Jun 1 |
| Tomatoes | Transplant outdoors | May 12 – Jun 26 |
| Peppers | Start seeds indoors | Mar 26 – Apr 26 |
| Peppers | Transplant outdoors | May 26 – Jun 26 |
| Eggplant | Start seeds indoors | Apr 12 – May 11 |
| Eggplant | Transplant outdoors | May 26 – Jun 26 |
| Cucumbers | Sow outdoors | May 26 – Jul 6 |
| Summer squash | Sow outdoors | May 12 – Jun 26 |
| Winter squash & pumpkins | Sow outdoors | May 26 – Jun 26 |
| Snap beans | Sow outdoors | May 12 – Jul 29 |
| Sweet corn | Sow outdoors | May 12 – Jun 26 |
| Watermelon & cantaloupe | Sow outdoors | May 26 – Jun 26 |
| Okra | Sow outdoors | May 19 – Jun 11 |
| Peas | Sow outdoors (spring) | Mar 26 – May 11 |
| Potatoes | Plant outdoors (spring) | Mar 26 – May 26 |
| Onions | Start seeds indoors (spring) | Feb 12 – Mar 11 |
| Onions | Transplant outdoors (spring) | Apr 12 – May 11 |
| Broccoli | Start seeds indoors (spring) | Mar 8 – Apr 11 |
| Broccoli | Transplant outdoors (spring) | Apr 12 – May 11 |
| Broccoli | Start seeds indoors (fall) | Jun 16 – Jun 26 |
| Broccoli | Transplant outdoors (fall) | Jul 16 – Jul 27 |
| Cabbage | Start seeds indoors (spring) | Feb 26 – Mar 26 |
| Cabbage | Transplant outdoors (spring) | Mar 26 – Apr 26 |
| Cabbage | Start seeds indoors (fall) | Jun 6 – Jul 6 |
| Cabbage | Transplant outdoors (fall) | Jul 6 – Aug 6 |
| Leaf lettuce | Sow outdoors (spring) | Mar 26 – Jun 11 |
| Leaf lettuce | Sow outdoors (fall) | Jul 6 – Aug 22 |
| Spinach | Sow outdoors (spring) | Mar 19 – May 2 |
| Spinach | Sow outdoors (fall) | Jul 23 – Aug 27 |
| Radishes | Sow outdoors (spring) | Mar 26 – May 16 |
| Radishes | Sow outdoors (fall) | Jul 6 – Sep 6 |
| Kale | Sow outdoors (spring) | Apr 12 – May 2 |
| Kale | Sow outdoors (fall) | Jun 29 – Aug 6 |
| Carrots | Sow outdoors (spring) | Apr 26 – Jun 11 |
| Carrots | Sow outdoors (fall) | Jun 6 – Jul 22 |
| Garlic | Plant outdoors (fall) | Oct 6 – Nov 6 |
Where these dates come from
ZIP code 67621 is matched to the NOAA station Phillipsburg #2, KS, 16.8 km away, at 1,888 ft elevation (38 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Phillipsburg #2, KS (used) | 1,888 ft | Apr 26 | Oct 16 |
| Kirwin Dam, KS | 1,697 ft | Apr 30 | Oct 7 |
| Smith Ctr, KS | 1,820 ft | Apr 24 | Oct 15 |
| Harlan Co Lake, NE | 2,010 ft | Apr 25 | Oct 14 |
Frost dates near Agra
- Kensington, KS 66951 · last Apr 24, first Oct 15
- Kirwin, KS 67644 · last Apr 30, first Oct 7
- Phillipsburg, KS 67661 · last Apr 26, first Oct 16
- Athol, KS 66932 · last Apr 24, first Oct 15
- Glade, KS 67639 · last Apr 26, first Oct 16
- Cedar, KS 67628 · last Apr 24, first Oct 15
- Smith Center, KS 66967 · last Apr 24, first Oct 15
- Gaylord, KS 67638 · last Apr 24, first Oct 15
Frequently asked questions
- When is the last frost in Agra, KS?
- For ZIP code 67621, the average last spring frost (32°F) is April 26, based on NOAA 1991-2020 climate normals for the Phillipsburg #2, KS weather station. There is a 1-in-10 chance of a frost after May 7.
- When is the first frost in Agra, KS?
- The average first fall frost (32°F) is October 16. There is a 1-in-10 chance of frost by October 1, so tender plants are at risk from that point on.
- How long is the growing season in 67621?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 172 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.