Frost dates for 77530Channelview, TX
The average last spring frost in Channelview is February 20 and the average first fall frost is December 4, giving a typical growing season of about 292 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Feb 20
- Average first fall frost
- Dec 4
- Growing season
- 292 days
Safer after Mar 14 (1-in-10 risk)
Possible by Nov 12 (1-in-10 risk)
First frost typically in 32 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 13 · Mar 6 · Mar 28 | Nov 2 · Nov 20 · Dec 10 | 259 days | 100% |
| Frost / freeze (32°F) | Jan 23 · Feb 20 · Mar 14 | Nov 12 · Dec 4 · Jan 4 | 292 days | 100% |
| Hard freeze (28°F) | Dec 25 · Jan 30 · Mar 1 | Nov 25 · Dec 28 · Jan 29 | 331 days | 87% |
Planting calendar for Channelview
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 | Jan 20 – Mar 28 |
| Tomatoes | Transplant outdoors | Mar 8 – Aug 14 |
| Peppers | Start seeds indoors | Jan 20 – Feb 20 |
| Peppers | Transplant outdoors | Mar 22 – Apr 22 |
| Eggplant | Start seeds indoors | Feb 6 – Mar 7 |
| Eggplant | Transplant outdoors | Mar 22 – Apr 22 |
| Cucumbers | Sow outdoors | Mar 22 – Aug 24 |
| Summer squash | Sow outdoors | Mar 8 – Apr 22 |
| Winter squash & pumpkins | Sow outdoors | Mar 22 – Apr 22 |
| Snap beans | Sow outdoors | Mar 8 – Sep 16 |
| Sweet corn | Sow outdoors | Mar 8 – Aug 14 |
| Watermelon & cantaloupe | Sow outdoors | Mar 22 – Apr 22 |
| Okra | Sow outdoors | Mar 15 – Apr 7 |
| Peas | Sow outdoors (spring) | Jan 20 – Mar 7 |
| Potatoes | Plant outdoors (spring) | Jan 20 – Mar 22 |
| Onions | Start seeds indoors (spring) | Dec 9 – Jan 5 |
| Onions | Transplant outdoors (spring) | Feb 6 – Mar 7 |
| Broccoli | Start seeds indoors (spring) | Jan 2 – Feb 5 |
| Broccoli | Transplant outdoors (spring) | Feb 6 – Mar 7 |
| Broccoli | Start seeds indoors (fall) | Aug 4 – Aug 14 |
| Broccoli | Transplant outdoors (fall) | Sep 3 – Sep 14 |
| Cabbage | Start seeds indoors (spring) | Dec 23 – Jan 20 |
| Cabbage | Transplant outdoors (spring) | Jan 20 – Feb 20 |
| Cabbage | Start seeds indoors (fall) | Jul 25 – Aug 24 |
| Cabbage | Transplant outdoors (fall) | Aug 24 – Sep 24 |
| Leaf lettuce | Sow outdoors (spring) | Jan 20 – Apr 7 |
| Leaf lettuce | Sow outdoors (fall) | Aug 24 – Oct 10 |
| Spinach | Sow outdoors (spring) | Jan 13 – Feb 26 |
| Spinach | Sow outdoors (fall) | Sep 10 – Oct 15 |
| Radishes | Sow outdoors (spring) | Jan 20 – Mar 12 |
| Radishes | Sow outdoors (fall) | Aug 24 – Oct 25 |
| Kale | Sow outdoors (spring) | Feb 6 – Feb 26 |
| Kale | Sow outdoors (fall) | Aug 17 – Sep 24 |
| Carrots | Sow outdoors (spring) | Feb 20 – Apr 7 |
| Carrots | Sow outdoors (fall) | Jul 25 – Sep 9 |
| Garlic | Plant outdoors (fall) | Nov 24 – Dec 25 |
Where these dates come from
ZIP code 77530 is matched to the NOAA station Baytown, TX, 19.3 km away, at 26 ft elevation (0 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Baytown, TX (used) | 26 ft | Feb 20 | Dec 4 |
| Houston-Port, TX | 19 ft | Feb 2 | Dec 25 |
| Houston Hobby Ap, TX | 44 ft | Jan 30 | Dec 28 |
| Houston Intercont Ap, TX | 95 ft | Feb 13 | Dec 9 |
Frost dates near Channelview
- Houston, TX 77015 · last Jan 30, first Dec 28
- Highlands, TX 77562 · last Feb 20, first Dec 4
- Pasadena, TX 77503 · last Jan 30, first Dec 28
- Galena Park, TX 77547 · last Jan 30, first Dec 28
- Deer Park, TX 77536 · last Jan 30, first Dec 28
- La Porte, TX 77571 · last Jan 30, first Dec 28
- Baytown, TX 77521 · last Feb 20, first Dec 4
- Crosby, TX 77532 · last Feb 20, first Dec 4
Frequently asked questions
- When is the last frost in Channelview, TX?
- For ZIP code 77530, the average last spring frost (32°F) is February 20, based on NOAA 1991-2020 climate normals for the Baytown, TX weather station. There is a 1-in-10 chance of a frost after March 14.
- When is the first frost in Channelview, TX?
- The average first fall frost (32°F) is December 4. There is a 1-in-10 chance of frost by November 12, so tender plants are at risk from that point on.
- How long is the growing season in 77530?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 292 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.