Frost dates for 76520Cameron, TX
The average last spring frost in Cameron is March 6 and the average first fall frost is November 23, giving a typical growing season of about 261 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Mar 6
- Average first fall frost
- Nov 23
- Growing season
- 261 days
Safer after Mar 27 (1-in-10 risk)
Possible by Nov 3 (1-in-10 risk)
First frost typically in 24 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 27 · Mar 18 · Apr 8 | Oct 27 · Nov 11 · Dec 1 | 237 days | 100% |
| Frost / freeze (32°F) | Feb 7 · Mar 6 · Mar 27 | Nov 3 · Nov 23 · Dec 20 | 261 days | 100% |
| Hard freeze (28°F) | Jan 21 · Feb 23 · Mar 15 | Nov 12 · Dec 6 · Jan 10 | 292 days | 98% |
Planting calendar for Cameron
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 – Aug 3 |
| 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 13 |
| Summer squash | Sow outdoors | Mar 22 – May 6 |
| Winter squash & pumpkins | Sow outdoors | Apr 5 – May 6 |
| Snap beans | Sow outdoors | Mar 22 – Sep 5 |
| Sweet corn | Sow outdoors | Mar 22 – Aug 3 |
| 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 24 – Aug 3 |
| Broccoli | Transplant outdoors (fall) | Aug 23 – Sep 3 |
| Cabbage | Start seeds indoors (spring) | Jan 6 – Feb 3 |
| Cabbage | Transplant outdoors (spring) | Feb 3 – Mar 6 |
| Cabbage | Start seeds indoors (fall) | Jul 14 – Aug 13 |
| Cabbage | Transplant outdoors (fall) | Aug 13 – Sep 13 |
| Leaf lettuce | Sow outdoors (spring) | Feb 3 – Apr 21 |
| Leaf lettuce | Sow outdoors (fall) | Aug 13 – Sep 29 |
| Spinach | Sow outdoors (spring) | Jan 27 – Mar 12 |
| Spinach | Sow outdoors (fall) | Aug 30 – Oct 4 |
| Radishes | Sow outdoors (spring) | Feb 3 – Mar 26 |
| Radishes | Sow outdoors (fall) | Aug 13 – Oct 14 |
| Kale | Sow outdoors (spring) | Feb 20 – Mar 12 |
| Kale | Sow outdoors (fall) | Aug 6 – Sep 13 |
| Carrots | Sow outdoors (spring) | Mar 6 – Apr 21 |
| Carrots | Sow outdoors (fall) | Jul 14 – Aug 29 |
| Garlic | Plant outdoors (fall) | Nov 13 – Dec 14 |
Where these dates come from
ZIP code 76520 is matched to the NOAA station Cameron, TX, 1 km away, at 364 ft elevation (36 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Cameron, TX (used) | 364 ft | Mar 6 | Nov 23 |
| Granger Dam, TX | 555 ft | Mar 5 | Nov 22 |
| Lexington, TX | 423 ft | Mar 5 | Nov 21 |
| Franklin, TX | 467 ft | Feb 28 | Nov 28 |
Frost dates near Cameron
- Burlington, TX 76519 · last Mar 6, first Nov 23
- Buckholts, TX 76518 · last Mar 6, first Nov 23
- Milano, TX 76556 · last Mar 6, first Nov 23
- Rockdale, TX 76567 · last Mar 6, first Nov 23
- Gause, TX 77857 · last Mar 6, first Nov 23
- Rogers, TX 76569 · last Mar 5, first Nov 22
- Rosebud, TX 76570 · last Mar 21, first Nov 9
- Davilla, TX 76523 · last Mar 5, first Nov 22
Frequently asked questions
- When is the last frost in Cameron, TX?
- For ZIP code 76520, the average last spring frost (32°F) is March 6, based on NOAA 1991-2020 climate normals for the Cameron, TX weather station. There is a 1-in-10 chance of a frost after March 27.
- When is the first frost in Cameron, TX?
- The average first fall frost (32°F) is November 23. 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 76520?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 261 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.