Frost dates for 73573Waurika, OK
The average last spring frost in Waurika is March 24 and the average first fall frost is November 8, giving a typical growing season of about 228 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Mar 24
- Average first fall frost
- Nov 8
- Growing season
- 228 days
Safer after Apr 8 (1-in-10 risk)
Possible by Oct 23 (1-in-10 risk)
First frost typically in 12 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) | Mar 19 · Apr 5 · Apr 22 | Oct 13 · Oct 31 · Nov 13 | 207 days | 100% |
| Frost / freeze (32°F) | Mar 5 · Mar 24 · Apr 8 | Oct 23 · Nov 8 · Nov 26 | 228 days | 100% |
| Hard freeze (28°F) | Feb 21 · Mar 12 · Mar 30 | Nov 1 · Nov 19 · Dec 6 | 252 days | 100% |
Planting calendar for Waurika
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 | Feb 21 – Apr 29 |
| Tomatoes | Transplant outdoors | Apr 9 – Jul 19 |
| Peppers | Start seeds indoors | Feb 21 – Mar 24 |
| Peppers | Transplant outdoors | Apr 23 – May 24 |
| Eggplant | Start seeds indoors | Mar 10 – Apr 8 |
| Eggplant | Transplant outdoors | Apr 23 – May 24 |
| Cucumbers | Sow outdoors | Apr 23 – Jul 29 |
| Summer squash | Sow outdoors | Apr 9 – May 24 |
| Winter squash & pumpkins | Sow outdoors | Apr 23 – May 24 |
| Snap beans | Sow outdoors | Apr 9 – Aug 21 |
| Sweet corn | Sow outdoors | Apr 9 – Jul 19 |
| Watermelon & cantaloupe | Sow outdoors | Apr 23 – May 24 |
| Okra | Sow outdoors | Apr 16 – May 9 |
| Peas | Sow outdoors (spring) | Feb 21 – Apr 8 |
| Potatoes | Plant outdoors (spring) | Feb 21 – Apr 23 |
| Onions | Start seeds indoors (spring) | Jan 10 – Feb 6 |
| Onions | Transplant outdoors (spring) | Mar 10 – Apr 8 |
| Broccoli | Start seeds indoors (spring) | Feb 3 – Mar 9 |
| Broccoli | Transplant outdoors (spring) | Mar 10 – Apr 8 |
| Broccoli | Start seeds indoors (fall) | Jul 9 – Jul 19 |
| Broccoli | Transplant outdoors (fall) | Aug 8 – Aug 19 |
| Cabbage | Start seeds indoors (spring) | Jan 24 – Feb 21 |
| Cabbage | Transplant outdoors (spring) | Feb 21 – Mar 24 |
| Cabbage | Start seeds indoors (fall) | Jun 29 – Jul 29 |
| Cabbage | Transplant outdoors (fall) | Jul 29 – Aug 29 |
| Leaf lettuce | Sow outdoors (spring) | Feb 21 – May 9 |
| Leaf lettuce | Sow outdoors (fall) | Jul 29 – Sep 14 |
| Spinach | Sow outdoors (spring) | Feb 14 – Mar 30 |
| Spinach | Sow outdoors (fall) | Aug 15 – Sep 19 |
| Radishes | Sow outdoors (spring) | Feb 21 – Apr 13 |
| Radishes | Sow outdoors (fall) | Jul 29 – Sep 29 |
| Kale | Sow outdoors (spring) | Mar 10 – Mar 30 |
| Kale | Sow outdoors (fall) | Jul 22 – Aug 29 |
| Carrots | Sow outdoors (spring) | Mar 24 – May 9 |
| Carrots | Sow outdoors (fall) | Jun 29 – Aug 14 |
| Garlic | Plant outdoors (fall) | Oct 29 – Nov 29 |
Where these dates come from
ZIP code 73573 is matched to the NOAA station Waurika, OK, 0.1 km away, at 912 ft elevation (0 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Waurika, OK (used) | 912 ft | Mar 24 | Nov 8 |
| Waurika 1Ene Mesonet, OK | 928 ft | Mar 29 | Nov 5 |
| Walters, OK | 1,005 ft | Apr 1 | Nov 5 |
| Duncan, OK | 1,125 ft | Mar 25 | Nov 7 |
Frost dates near Waurika
- Addington, OK 73520 · last Mar 24, first Nov 8
- Hastings, OK 73548 · last Mar 24, first Nov 8
- Ryan, OK 73565 · last Mar 24, first Nov 8
- Byers, TX 76357 · last Mar 24, first Nov 8
- Comanche, OK 73529 · last Mar 25, first Nov 7
- Temple, OK 73568 · last Mar 24, first Nov 8
- Petrolia, TX 76377 · last Mar 26, first Nov 9
- Terral, OK 73569 · last Mar 24, first Nov 8
Frequently asked questions
- When is the last frost in Waurika, OK?
- For ZIP code 73573, the average last spring frost (32°F) is March 24, based on NOAA 1991-2020 climate normals for the Waurika, OK weather station. There is a 1-in-10 chance of a frost after April 8.
- When is the first frost in Waurika, OK?
- The average first fall frost (32°F) is November 8. There is a 1-in-10 chance of frost by October 23, so tender plants are at risk from that point on.
- How long is the growing season in 73573?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 228 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.