Frost dates for 73832Arnett, OK
The average last spring frost in Arnett is April 15 and the average first fall frost is October 27, giving a typical growing season of about 194 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 15
- Average first fall frost
- Oct 27
- Growing season
- 194 days
Safer after Apr 29 (1-in-10 risk)
Possible by Oct 14 (1-in-10 risk)
Last frost typically in 168 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 10 · Apr 25 · May 8 | Oct 3 · Oct 18 · Oct 29 | 174 days | 100% |
| Frost / freeze (32°F) | Apr 1 · Apr 15 · Apr 29 | Oct 14 · Oct 27 · Nov 8 | 194 days | 100% |
| Hard freeze (28°F) | Mar 15 · Apr 5 · Apr 20 | Oct 20 · Nov 4 · Nov 18 | 213 days | 100% |
Planting calendar for Arnett
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 15 – May 21 |
| Tomatoes | Transplant outdoors | May 1 – Jul 7 |
| Peppers | Start seeds indoors | Mar 15 – Apr 15 |
| Peppers | Transplant outdoors | May 15 – Jun 15 |
| Eggplant | Start seeds indoors | Apr 1 – Apr 30 |
| Eggplant | Transplant outdoors | May 15 – Jun 15 |
| Cucumbers | Sow outdoors | May 15 – Jul 17 |
| Summer squash | Sow outdoors | May 1 – Jun 15 |
| Winter squash & pumpkins | Sow outdoors | May 15 – Jun 15 |
| Snap beans | Sow outdoors | May 1 – Aug 9 |
| Sweet corn | Sow outdoors | May 1 – Jul 7 |
| Watermelon & cantaloupe | Sow outdoors | May 15 – Jun 15 |
| Okra | Sow outdoors | May 8 – May 31 |
| Peas | Sow outdoors (spring) | Mar 15 – Apr 30 |
| Potatoes | Plant outdoors (spring) | Mar 15 – May 15 |
| Onions | Start seeds indoors (spring) | Feb 1 – Feb 28 |
| Onions | Transplant outdoors (spring) | Apr 1 – Apr 30 |
| Broccoli | Start seeds indoors (spring) | Feb 25 – Mar 31 |
| Broccoli | Transplant outdoors (spring) | Apr 1 – Apr 30 |
| Broccoli | Start seeds indoors (fall) | Jun 27 – Jul 7 |
| Broccoli | Transplant outdoors (fall) | Jul 27 – Aug 7 |
| Cabbage | Start seeds indoors (spring) | Feb 15 – Mar 15 |
| Cabbage | Transplant outdoors (spring) | Mar 15 – Apr 15 |
| Cabbage | Start seeds indoors (fall) | Jun 17 – Jul 17 |
| Cabbage | Transplant outdoors (fall) | Jul 17 – Aug 17 |
| Leaf lettuce | Sow outdoors (spring) | Mar 15 – May 31 |
| Leaf lettuce | Sow outdoors (fall) | Jul 17 – Sep 2 |
| Spinach | Sow outdoors (spring) | Mar 8 – Apr 21 |
| Spinach | Sow outdoors (fall) | Aug 3 – Sep 7 |
| Radishes | Sow outdoors (spring) | Mar 15 – May 5 |
| Radishes | Sow outdoors (fall) | Jul 17 – Sep 17 |
| Kale | Sow outdoors (spring) | Apr 1 – Apr 21 |
| Kale | Sow outdoors (fall) | Jul 10 – Aug 17 |
| Carrots | Sow outdoors (spring) | Apr 15 – May 31 |
| Carrots | Sow outdoors (fall) | Jun 17 – Aug 2 |
| Garlic | Plant outdoors (fall) | Oct 17 – Nov 17 |
Where these dates come from
ZIP code 73832 is matched to the NOAA station Arnett 3Ne, OK, 14 km away, at 2,429 ft elevation (93 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Arnett 3Ne, OK (used) | 2,429 ft | Apr 15 | Oct 27 |
| Arnett 8Wsw Mesonet, OK | 2,359 ft | Apr 9 | Oct 27 |
| Camargo 4Wnw Mesonet, OK | 1,932 ft | Apr 15 | Oct 23 |
| Gage Ap, OK | 2,191 ft | Apr 17 | Oct 20 |
Frost dates near Arnett
- Crawford, OK 73638 · last Apr 9, first Oct 27
- Gage, OK 73843 · last Apr 17, first Oct 20
- Shattuck, OK 73858 · last Apr 17, first Oct 20
- Durham, OK 73642 · last Apr 9, first Oct 27
- Camargo, OK 73835 · last Apr 15, first Oct 23
- Leedey, OK 73654 · last Apr 15, first Oct 23
- Sharon, OK 73857 · last Apr 19, first Oct 26
- Vici, OK 73859 · last Apr 19, first Oct 26
Frequently asked questions
- When is the last frost in Arnett, OK?
- For ZIP code 73832, the average last spring frost (32°F) is April 15, based on NOAA 1991-2020 climate normals for the Arnett 3Ne, OK weather station. There is a 1-in-10 chance of a frost after April 29.
- When is the first frost in Arnett, OK?
- The average first fall frost (32°F) is October 27. There is a 1-in-10 chance of frost by October 14, so tender plants are at risk from that point on.
- How long is the growing season in 73832?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 194 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.