Frost dates for 79527Ira, TX
The average last spring frost in Ira is March 27 and the average first fall frost is November 10, giving a typical growing season of about 227 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Mar 27
- Average first fall frost
- Nov 10
- Growing season
- 227 days
Safer after Apr 14 (1-in-10 risk)
Possible by Oct 28 (1-in-10 risk)
First frost typically in 15 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 7 · Apr 24 | Oct 19 · Nov 1 · Nov 13 | 206 days | 100% |
| Frost / freeze (32°F) | Mar 6 · Mar 27 · Apr 14 | Oct 28 · Nov 10 · Nov 24 | 227 days | 100% |
| Hard freeze (28°F) | Feb 22 · Mar 10 · Apr 2 | Nov 4 · Nov 20 · Dec 4 | 252 days | 100% |
Planting calendar for Ira
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 24 – May 2 |
| Tomatoes | Transplant outdoors | Apr 12 – Jul 21 |
| Peppers | Start seeds indoors | Feb 24 – Mar 27 |
| Peppers | Transplant outdoors | Apr 26 – May 27 |
| Eggplant | Start seeds indoors | Mar 13 – Apr 11 |
| Eggplant | Transplant outdoors | Apr 26 – May 27 |
| Cucumbers | Sow outdoors | Apr 26 – Jul 31 |
| Summer squash | Sow outdoors | Apr 12 – May 27 |
| Winter squash & pumpkins | Sow outdoors | Apr 26 – May 27 |
| Snap beans | Sow outdoors | Apr 12 – Aug 23 |
| Sweet corn | Sow outdoors | Apr 12 – Jul 21 |
| Watermelon & cantaloupe | Sow outdoors | Apr 26 – May 27 |
| Okra | Sow outdoors | Apr 19 – May 12 |
| Peas | Sow outdoors (spring) | Feb 24 – Apr 11 |
| Potatoes | Plant outdoors (spring) | Feb 24 – Apr 26 |
| Onions | Start seeds indoors (spring) | Jan 13 – Feb 9 |
| Onions | Transplant outdoors (spring) | Mar 13 – Apr 11 |
| Broccoli | Start seeds indoors (spring) | Feb 6 – Mar 12 |
| Broccoli | Transplant outdoors (spring) | Mar 13 – Apr 11 |
| Broccoli | Start seeds indoors (fall) | Jul 11 – Jul 21 |
| Broccoli | Transplant outdoors (fall) | Aug 10 – Aug 21 |
| Cabbage | Start seeds indoors (spring) | Jan 27 – Feb 24 |
| Cabbage | Transplant outdoors (spring) | Feb 24 – Mar 27 |
| Cabbage | Start seeds indoors (fall) | Jul 1 – Jul 31 |
| Cabbage | Transplant outdoors (fall) | Jul 31 – Aug 31 |
| Leaf lettuce | Sow outdoors (spring) | Feb 24 – May 12 |
| Leaf lettuce | Sow outdoors (fall) | Jul 31 – Sep 16 |
| Spinach | Sow outdoors (spring) | Feb 17 – Apr 2 |
| Spinach | Sow outdoors (fall) | Aug 17 – Sep 21 |
| Radishes | Sow outdoors (spring) | Feb 24 – Apr 16 |
| Radishes | Sow outdoors (fall) | Jul 31 – Oct 1 |
| Kale | Sow outdoors (spring) | Mar 13 – Apr 2 |
| Kale | Sow outdoors (fall) | Jul 24 – Aug 31 |
| Carrots | Sow outdoors (spring) | Mar 27 – May 12 |
| Carrots | Sow outdoors (fall) | Jul 1 – Aug 16 |
| Garlic | Plant outdoors (fall) | Oct 31 – Dec 1 |
Where these dates come from
ZIP code 79527 is matched to the NOAA station Snyder, TX, 16.6 km away, at 2,319 ft elevation (49 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Snyder, TX (used) | 2,319 ft | Mar 27 | Nov 10 |
| Colorado City, TX | 2,110 ft | Apr 4 | Nov 5 |
| Roscoe, TX | 2,380 ft | Mar 30 | Nov 8 |
| Gail, TX | 2,530 ft | Mar 27 | Nov 8 |
Frost dates near Ira
- Dunn, TX 79516 · last Mar 27, first Nov 10
- Snyder, TX 79550 · last Mar 27, first Nov 10
- Hermleigh, TX 79526 · last Mar 27, first Nov 10
- Colorado City, TX 79512 · last Apr 4, first Nov 5
- Westbrook, TX 79565 · last Apr 4, first Nov 5
- Fluvanna, TX 79517 · last Mar 27, first Nov 10
- Loraine, TX 79532 · last Mar 30, first Nov 8
- Coahoma, TX 79511 · last Mar 20, first Nov 13
Frequently asked questions
- When is the last frost in Ira, TX?
- For ZIP code 79527, the average last spring frost (32°F) is March 27, based on NOAA 1991-2020 climate normals for the Snyder, TX weather station. There is a 1-in-10 chance of a frost after April 14.
- When is the first frost in Ira, TX?
- The average first fall frost (32°F) is November 10. There is a 1-in-10 chance of frost by October 28, so tender plants are at risk from that point on.
- How long is the growing season in 79527?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 227 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.