Frost dates for 73646Fay, OK
The average last spring frost in Fay is April 6 and the average first fall frost is November 3, giving a typical growing season of about 211 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 6
- Average first fall frost
- Nov 3
- Growing season
- 211 days
Safer after Apr 22 (1-in-10 risk)
Possible by Oct 20 (1-in-10 risk)
First frost typically in 9 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 17 · May 2 | Oct 10 · Oct 26 · Nov 8 | 190 days | 100% |
| Frost / freeze (32°F) | Mar 20 · Apr 6 · Apr 22 | Oct 20 · Nov 3 · Nov 16 | 211 days | 100% |
| Hard freeze (28°F) | Mar 5 · Mar 25 · Apr 13 | Oct 27 · Nov 12 · Nov 28 | 232 days | 100% |
Planting calendar for Fay
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 14 |
| 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 24 |
| Summer squash | Sow outdoors | Apr 22 – Jun 6 |
| Winter squash & pumpkins | Sow outdoors | May 6 – Jun 6 |
| Snap beans | Sow outdoors | Apr 22 – Aug 16 |
| Sweet corn | Sow outdoors | Apr 22 – Jul 14 |
| 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 4 – Jul 14 |
| Broccoli | Transplant outdoors (fall) | Aug 3 – Aug 14 |
| Cabbage | Start seeds indoors (spring) | Feb 6 – Mar 6 |
| Cabbage | Transplant outdoors (spring) | Mar 6 – Apr 6 |
| Cabbage | Start seeds indoors (fall) | Jun 24 – Jul 24 |
| Cabbage | Transplant outdoors (fall) | Jul 24 – Aug 24 |
| Leaf lettuce | Sow outdoors (spring) | Mar 6 – May 22 |
| Leaf lettuce | Sow outdoors (fall) | Jul 24 – Sep 9 |
| Spinach | Sow outdoors (spring) | Feb 27 – Apr 12 |
| Spinach | Sow outdoors (fall) | Aug 10 – Sep 14 |
| Radishes | Sow outdoors (spring) | Mar 6 – Apr 26 |
| Radishes | Sow outdoors (fall) | Jul 24 – Sep 24 |
| Kale | Sow outdoors (spring) | Mar 23 – Apr 12 |
| Kale | Sow outdoors (fall) | Jul 17 – Aug 24 |
| Carrots | Sow outdoors (spring) | Apr 6 – May 22 |
| Carrots | Sow outdoors (fall) | Jun 24 – Aug 9 |
| Garlic | Plant outdoors (fall) | Oct 24 – Nov 24 |
Where these dates come from
ZIP code 73646 is matched to the NOAA station Watonga 7W Mesonet, OK, 12.2 km away, at 1,696 ft elevation (4 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Watonga 7W Mesonet, OK (used) | 1,696 ft | Apr 6 | Nov 3 |
| Watonga, OK | 1,530 ft | Apr 14 | Oct 27 |
| Putnam 3N Mesonet, OK | 1,932 ft | Apr 8 | Nov 1 |
| Weatherford, OK | 1,618 ft | Apr 3 | Nov 3 |
Frost dates near Fay
- Thomas, OK 73669 · last Apr 3, first Nov 3
- Oakwood, OK 73658 · last Apr 18, first Oct 21
- Watonga, OK 73772 · last Apr 14, first Oct 27
- Canton, OK 73724 · last Apr 14, first Oct 27
- Greenfield, OK 73043 · last Apr 14, first Oct 27
- Custer City, OK 73639 · last Apr 13, first Oct 28
- Southard, OK 73770 · last Apr 14, first Oct 27
- Putnam, OK 73659 · last Apr 8, first Nov 1
Frequently asked questions
- When is the last frost in Fay, OK?
- For ZIP code 73646, the average last spring frost (32°F) is April 6, based on NOAA 1991-2020 climate normals for the Watonga 7W Mesonet, OK weather station. There is a 1-in-10 chance of a frost after April 22.
- When is the first frost in Fay, OK?
- The average first fall frost (32°F) is November 3. There is a 1-in-10 chance of frost by October 20, so tender plants are at risk from that point on.
- How long is the growing season in 73646?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 211 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.