Frost dates for 73932Beaver, OK
The average last spring frost in Beaver is April 21 and the average first fall frost is October 21, giving a typical growing season of about 181 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 21
- Average first fall frost
- Oct 21
- Growing season
- 181 days
Safer after May 4 (1-in-10 risk)
Possible by Oct 6 (1-in-10 risk)
Last frost typically in 177 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 18 · May 1 · May 13 | Sep 28 · Oct 11 · Oct 24 | 163 days | 100% |
| Frost / freeze (32°F) | Apr 7 · Apr 21 · May 4 | Oct 6 · Oct 21 · Nov 1 | 181 days | 100% |
| Hard freeze (28°F) | Mar 25 · Apr 10 · Apr 27 | Oct 16 · Oct 29 · Nov 9 | 199 days | 100% |
Planting calendar for Beaver
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 – Jul 1 |
| 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 11 |
| Summer squash | Sow outdoors | May 7 – Jun 21 |
| Winter squash & pumpkins | Sow outdoors | May 21 – Jun 21 |
| Snap beans | Sow outdoors | May 7 – Aug 3 |
| Sweet corn | Sow outdoors | May 7 – Jul 1 |
| 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 21 – Jul 1 |
| Broccoli | Transplant outdoors (fall) | Jul 21 – Aug 1 |
| Cabbage | Start seeds indoors (spring) | Feb 21 – Mar 21 |
| Cabbage | Transplant outdoors (spring) | Mar 21 – Apr 21 |
| Cabbage | Start seeds indoors (fall) | Jun 11 – Jul 11 |
| Cabbage | Transplant outdoors (fall) | Jul 11 – Aug 11 |
| Leaf lettuce | Sow outdoors (spring) | Mar 21 – Jun 6 |
| Leaf lettuce | Sow outdoors (fall) | Jul 11 – Aug 27 |
| Spinach | Sow outdoors (spring) | Mar 14 – Apr 27 |
| Spinach | Sow outdoors (fall) | Jul 28 – Sep 1 |
| Radishes | Sow outdoors (spring) | Mar 21 – May 11 |
| Radishes | Sow outdoors (fall) | Jul 11 – Sep 11 |
| Kale | Sow outdoors (spring) | Apr 7 – Apr 27 |
| Kale | Sow outdoors (fall) | Jul 4 – Aug 11 |
| Carrots | Sow outdoors (spring) | Apr 21 – Jun 6 |
| Carrots | Sow outdoors (fall) | Jun 11 – Jul 27 |
| Garlic | Plant outdoors (fall) | Oct 11 – Nov 11 |
Where these dates come from
ZIP code 73932 is matched to the NOAA station Beaver, OK, 2.7 km away, at 2,465 ft elevation (27 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Beaver, OK (used) | 2,465 ft | Apr 21 | Oct 21 |
| Turpin 4 Sse, OK | 2,705 ft | Apr 17 | Oct 25 |
| Liberal, KS | 2,834 ft | Apr 20 | Oct 24 |
| Gate, OK | 2,250 ft | Apr 13 | Oct 28 |
Frost dates near Beaver
- Forgan, OK 73938 · last Apr 21, first Oct 21
- Balko, OK 73931 · last Apr 14, first Oct 30
- Turpin, OK 73950 · last Apr 17, first Oct 25
- Gate, OK 73844 · last Apr 13, first Oct 28
- Liberal, KS 67905 · last Apr 20, first Oct 24
- Booker, TX 79005 · last Apr 14, first Oct 30
- Kismet, KS 67859 · last Apr 20, first Oct 24
- Darrouzett, TX 79024 · last Apr 16, first Oct 27
Frequently asked questions
- When is the last frost in Beaver, OK?
- For ZIP code 73932, the average last spring frost (32°F) is April 21, based on NOAA 1991-2020 climate normals for the Beaver, OK weather station. There is a 1-in-10 chance of a frost after May 4.
- When is the first frost in Beaver, OK?
- The average first fall frost (32°F) is October 21. There is a 1-in-10 chance of frost by October 6, so tender plants are at risk from that point on.
- How long is the growing season in 73932?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 181 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.