Frost dates for 29429Awendaw, SC
The average last spring frost in Awendaw is February 28 and the average first fall frost is December 1, giving a typical growing season of about 277 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Feb 28
- Average first fall frost
- Dec 1
- Growing season
- 277 days
Safer after Mar 25 (1-in-10 risk)
Possible by Nov 11 (1-in-10 risk)
First frost typically in 28 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 24 · Mar 19 · Apr 6 | Nov 2 · Nov 15 · Dec 6 | 246 days | 100% |
| Frost / freeze (32°F) | Feb 1 · Feb 28 · Mar 25 | Nov 11 · Dec 1 · Dec 31 | 277 days | 100% |
| Hard freeze (28°F) | Jan 11 · Feb 6 · Mar 9 | Nov 27 · Dec 25 · Jan 23 | 312 days | 98% |
Planting calendar for Awendaw
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 28 – Apr 5 |
| Tomatoes | Transplant outdoors | Mar 16 – Aug 11 |
| Peppers | Start seeds indoors | Jan 28 – Feb 28 |
| Peppers | Transplant outdoors | Mar 30 – Apr 30 |
| Eggplant | Start seeds indoors | Feb 14 – Mar 15 |
| Eggplant | Transplant outdoors | Mar 30 – Apr 30 |
| Cucumbers | Sow outdoors | Mar 30 – Aug 21 |
| Summer squash | Sow outdoors | Mar 16 – Apr 30 |
| Winter squash & pumpkins | Sow outdoors | Mar 30 – Apr 30 |
| Snap beans | Sow outdoors | Mar 16 – Sep 13 |
| Sweet corn | Sow outdoors | Mar 16 – Aug 11 |
| Watermelon & cantaloupe | Sow outdoors | Mar 30 – Apr 30 |
| Okra | Sow outdoors | Mar 23 – Apr 15 |
| Peas | Sow outdoors (spring) | Jan 28 – Mar 15 |
| Potatoes | Plant outdoors (spring) | Jan 28 – Mar 30 |
| Onions | Start seeds indoors (spring) | Dec 17 – Jan 13 |
| Onions | Transplant outdoors (spring) | Feb 14 – Mar 15 |
| Broccoli | Start seeds indoors (spring) | Jan 10 – Feb 13 |
| Broccoli | Transplant outdoors (spring) | Feb 14 – Mar 15 |
| Broccoli | Start seeds indoors (fall) | Aug 1 – Aug 11 |
| Broccoli | Transplant outdoors (fall) | Aug 31 – Sep 11 |
| Cabbage | Start seeds indoors (spring) | Dec 31 – Jan 28 |
| Cabbage | Transplant outdoors (spring) | Jan 28 – Feb 28 |
| Cabbage | Start seeds indoors (fall) | Jul 22 – Aug 21 |
| Cabbage | Transplant outdoors (fall) | Aug 21 – Sep 21 |
| Leaf lettuce | Sow outdoors (spring) | Jan 28 – Apr 15 |
| Leaf lettuce | Sow outdoors (fall) | Aug 21 – Oct 7 |
| Spinach | Sow outdoors (spring) | Jan 21 – Mar 6 |
| Spinach | Sow outdoors (fall) | Sep 7 – Oct 12 |
| Radishes | Sow outdoors (spring) | Jan 28 – Mar 20 |
| Radishes | Sow outdoors (fall) | Aug 21 – Oct 22 |
| Kale | Sow outdoors (spring) | Feb 14 – Mar 6 |
| Kale | Sow outdoors (fall) | Aug 14 – Sep 21 |
| Carrots | Sow outdoors (spring) | Feb 28 – Apr 15 |
| Carrots | Sow outdoors (fall) | Jul 22 – Sep 6 |
| Garlic | Plant outdoors (fall) | Nov 21 – Dec 22 |
Where these dates come from
ZIP code 29429 is matched to the NOAA station Mcclellanville 7 Ne, SC, 31.8 km away, at 9 ft elevation (1 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Mcclellanville 7 Ne, SC (used) | 9 ft | Feb 28 | Dec 1 |
| Mcclellanville, SC | 12 ft | Mar 17 | Nov 21 |
| Jamestown, SC | 35 ft | Mar 22 | Nov 13 |
| Sullivans Is, SC | 5 ft | Mar 13 | Nov 30 |
Frost dates near Awendaw
- Huger, SC 29450 · last Mar 7, first Nov 27
- Mc Clellanville, SC 29458 · last Feb 28, first Dec 1
- Charleston, SC 29492 · last Mar 7, first Nov 27
- Mount Pleasant, SC 29466 · last Mar 13, first Nov 30
- Jamestown, SC 29453 · last Mar 22, first Nov 13
- Cordesville, SC 29434 · last Mar 10, first Nov 26
- Isle Of Palms, SC 29451 · last Mar 13, first Nov 30
- Sullivans Island, SC 29482 · last Mar 13, first Nov 30
Frequently asked questions
- When is the last frost in Awendaw, SC?
- For ZIP code 29429, the average last spring frost (32°F) is February 28, based on NOAA 1991-2020 climate normals for the Mcclellanville 7 Ne, SC weather station. There is a 1-in-10 chance of a frost after March 25.
- When is the first frost in Awendaw, SC?
- The average first fall frost (32°F) is December 1. There is a 1-in-10 chance of frost by November 11, so tender plants are at risk from that point on.
- How long is the growing season in 29429?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 277 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.