Frost dates for 78801Uvalde, TX
The average last spring frost in Uvalde is March 6 and the average first fall frost is November 20, giving a typical growing season of about 263 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Mar 6
- Average first fall frost
- Nov 20
- Growing season
- 263 days
Safer after Mar 24 (1-in-10 risk)
Possible by Nov 3 (1-in-10 risk)
First frost typically in 19 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) | Feb 28 · Mar 19 · Apr 9 | Oct 27 · Nov 11 · Nov 28 | 237 days | 100% |
| Frost / freeze (32°F) | Feb 9 · Mar 6 · Mar 24 | Nov 3 · Nov 20 · Dec 8 | 263 days | 100% |
| Hard freeze (28°F) | Jan 18 · Feb 21 · Mar 13 | Nov 12 · Dec 3 · Jan 1 | 290 days | 100% |
Planting calendar for Uvalde
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 3 – Apr 11 |
| Tomatoes | Transplant outdoors | Mar 22 – Jul 31 |
| Peppers | Start seeds indoors | Feb 3 – Mar 6 |
| Peppers | Transplant outdoors | Apr 5 – May 6 |
| Eggplant | Start seeds indoors | Feb 20 – Mar 21 |
| Eggplant | Transplant outdoors | Apr 5 – May 6 |
| Cucumbers | Sow outdoors | Apr 5 – Aug 10 |
| Summer squash | Sow outdoors | Mar 22 – May 6 |
| Winter squash & pumpkins | Sow outdoors | Apr 5 – May 6 |
| Snap beans | Sow outdoors | Mar 22 – Sep 2 |
| Sweet corn | Sow outdoors | Mar 22 – Jul 31 |
| Watermelon & cantaloupe | Sow outdoors | Apr 5 – May 6 |
| Okra | Sow outdoors | Mar 29 – Apr 21 |
| Peas | Sow outdoors (spring) | Feb 3 – Mar 21 |
| Potatoes | Plant outdoors (spring) | Feb 3 – Apr 5 |
| Onions | Start seeds indoors (spring) | Dec 23 – Jan 19 |
| Onions | Transplant outdoors (spring) | Feb 20 – Mar 21 |
| Broccoli | Start seeds indoors (spring) | Jan 16 – Feb 19 |
| Broccoli | Transplant outdoors (spring) | Feb 20 – Mar 21 |
| Broccoli | Start seeds indoors (fall) | Jul 21 – Jul 31 |
| Broccoli | Transplant outdoors (fall) | Aug 20 – Aug 31 |
| Cabbage | Start seeds indoors (spring) | Jan 6 – Feb 3 |
| Cabbage | Transplant outdoors (spring) | Feb 3 – Mar 6 |
| Cabbage | Start seeds indoors (fall) | Jul 11 – Aug 10 |
| Cabbage | Transplant outdoors (fall) | Aug 10 – Sep 10 |
| Leaf lettuce | Sow outdoors (spring) | Feb 3 – Apr 21 |
| Leaf lettuce | Sow outdoors (fall) | Aug 10 – Sep 26 |
| Spinach | Sow outdoors (spring) | Jan 27 – Mar 12 |
| Spinach | Sow outdoors (fall) | Aug 27 – Oct 1 |
| Radishes | Sow outdoors (spring) | Feb 3 – Mar 26 |
| Radishes | Sow outdoors (fall) | Aug 10 – Oct 11 |
| Kale | Sow outdoors (spring) | Feb 20 – Mar 12 |
| Kale | Sow outdoors (fall) | Aug 3 – Sep 10 |
| Carrots | Sow outdoors (spring) | Mar 6 – Apr 21 |
| Carrots | Sow outdoors (fall) | Jul 11 – Aug 26 |
| Garlic | Plant outdoors (fall) | Nov 10 – Dec 11 |
Where these dates come from
ZIP code 78801 is matched to the NOAA station Hondo Muni Ap, TX, 62.1 km away, at 920 ft elevation (1 ft higher than the ZIP code's center). This station is relatively far away, so local dates may differ more than usual. Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Hondo Muni Ap, TX (used) | 920 ft | Mar 6 | Nov 20 |
| Camp Wood, TX | 1,480 ft | Mar 12 | Nov 14 |
| Crystal City, TX | 580 ft | Feb 10 | Dec 10 |
| Brackettville, TX | 1,120 ft | Mar 5 | Nov 24 |
Frost dates near Uvalde
- Uvalde, TX 78802 · last Mar 6, first Nov 20
- Knippa, TX 78870 · last Mar 6, first Nov 20
- La Pryor, TX 78872 · last Feb 10, first Dec 10
- Concan, TX 78838 · last Mar 12, first Nov 14
- Sabinal, TX 78881 · last Mar 6, first Nov 20
- Batesville, TX 78829 · last Feb 10, first Dec 10
- Utopia, TX 78884 · last Mar 12, first Nov 14
- Rio Frio, TX 78879 · last Mar 12, first Nov 14
Frequently asked questions
- When is the last frost in Uvalde, TX?
- For ZIP code 78801, the average last spring frost (32°F) is March 6, based on NOAA 1991-2020 climate normals for the Hondo Muni Ap, TX weather station. There is a 1-in-10 chance of a frost after March 24.
- When is the first frost in Uvalde, TX?
- The average first fall frost (32°F) is November 20. There is a 1-in-10 chance of frost by November 3, so tender plants are at risk from that point on.
- How long is the growing season in 78801?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 263 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.