Frost dates for 76374Olney, TX
The average last spring frost in Olney is March 31 and the average first fall frost is November 8, giving a typical growing season of about 222 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Mar 31
- Average first fall frost
- Nov 8
- Growing season
- 222 days
Safer after Apr 18 (1-in-10 risk)
Possible by Oct 24 (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 24 · Apr 11 · Apr 28 | Oct 17 · Oct 30 · Nov 11 | 201 days | 100% |
| Frost / freeze (32°F) | Mar 10 · Mar 31 · Apr 18 | Oct 24 · Nov 8 · Nov 23 | 222 days | 100% |
| Hard freeze (28°F) | Feb 26 · Mar 17 · Apr 5 | Nov 1 · Nov 18 · Dec 4 | 244 days | 100% |
Planting calendar for Olney
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 28 – May 6 |
| Tomatoes | Transplant outdoors | Apr 16 – Jul 19 |
| Peppers | Start seeds indoors | Feb 28 – Mar 31 |
| Peppers | Transplant outdoors | Apr 30 – May 31 |
| Eggplant | Start seeds indoors | Mar 17 – Apr 15 |
| Eggplant | Transplant outdoors | Apr 30 – May 31 |
| Cucumbers | Sow outdoors | Apr 30 – Jul 29 |
| Summer squash | Sow outdoors | Apr 16 – May 31 |
| Winter squash & pumpkins | Sow outdoors | Apr 30 – May 31 |
| Snap beans | Sow outdoors | Apr 16 – Aug 21 |
| Sweet corn | Sow outdoors | Apr 16 – Jul 19 |
| Watermelon & cantaloupe | Sow outdoors | Apr 30 – May 31 |
| Okra | Sow outdoors | Apr 23 – May 16 |
| Peas | Sow outdoors (spring) | Feb 28 – Apr 15 |
| Potatoes | Plant outdoors (spring) | Feb 28 – Apr 30 |
| Onions | Start seeds indoors (spring) | Jan 17 – Feb 13 |
| Onions | Transplant outdoors (spring) | Mar 17 – Apr 15 |
| Broccoli | Start seeds indoors (spring) | Feb 10 – Mar 16 |
| Broccoli | Transplant outdoors (spring) | Mar 17 – Apr 15 |
| Broccoli | Start seeds indoors (fall) | Jul 9 – Jul 19 |
| Broccoli | Transplant outdoors (fall) | Aug 8 – Aug 19 |
| Cabbage | Start seeds indoors (spring) | Jan 31 – Feb 28 |
| Cabbage | Transplant outdoors (spring) | Feb 28 – Mar 31 |
| Cabbage | Start seeds indoors (fall) | Jun 29 – Jul 29 |
| Cabbage | Transplant outdoors (fall) | Jul 29 – Aug 29 |
| Leaf lettuce | Sow outdoors (spring) | Feb 28 – May 16 |
| Leaf lettuce | Sow outdoors (fall) | Jul 29 – Sep 14 |
| Spinach | Sow outdoors (spring) | Feb 21 – Apr 6 |
| Spinach | Sow outdoors (fall) | Aug 15 – Sep 19 |
| Radishes | Sow outdoors (spring) | Feb 28 – Apr 20 |
| Radishes | Sow outdoors (fall) | Jul 29 – Sep 29 |
| Kale | Sow outdoors (spring) | Mar 17 – Apr 6 |
| Kale | Sow outdoors (fall) | Jul 22 – Aug 29 |
| Carrots | Sow outdoors (spring) | Mar 31 – May 16 |
| Carrots | Sow outdoors (fall) | Jun 29 – Aug 14 |
| Garlic | Plant outdoors (fall) | Oct 29 – Nov 29 |
Where these dates come from
ZIP code 76374 is matched to the NOAA station Olney, TX, 2.6 km away, at 1,195 ft elevation (30 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Olney, TX (used) | 1,195 ft | Mar 31 | Nov 8 |
| Archer City 2W, TX | 1,001 ft | Mar 25 | Nov 10 |
| Graham, TX | 1,078 ft | Apr 1 | Nov 5 |
| Throckmorton 10N, TX | 1,396 ft | Mar 29 | Nov 7 |
Frost dates near Olney
- Newcastle, TX 76372 · last Apr 1, first Nov 5
- Megargel, TX 76370 · last Mar 31, first Nov 8
- Archer City, TX 76351 · last Mar 25, first Nov 10
- Loving, TX 76460 · last Apr 1, first Nov 5
- Graham, TX 76450 · last Apr 1, first Nov 5
- Jermyn, TX 76459 · last Mar 28, first Nov 7
- Windthorst, TX 76389 · last Mar 25, first Nov 10
- Bryson, TX 76427 · last Apr 1, first Nov 5
Frequently asked questions
- When is the last frost in Olney, TX?
- For ZIP code 76374, the average last spring frost (32°F) is March 31, based on NOAA 1991-2020 climate normals for the Olney, TX weather station. There is a 1-in-10 chance of a frost after April 18.
- When is the first frost in Olney, TX?
- The average first fall frost (32°F) is November 8. There is a 1-in-10 chance of frost by October 24, so tender plants are at risk from that point on.
- How long is the growing season in 76374?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 222 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.