Frost dates for 29108Newberry, SC
The average last spring frost in Newberry is March 31 and the average first fall frost is November 7, giving a typical growing season of about 223 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Mar 31
- Average first fall frost
- Nov 7
- Growing season
- 223 days
Safer after Apr 15 (1-in-10 risk)
Possible by Oct 26 (1-in-10 risk)
First frost typically in 4 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 26 · Apr 9 · Apr 23 | Oct 15 · Oct 28 · Nov 9 | 202 days | 100% |
| Frost / freeze (32°F) | Mar 12 · Mar 31 · Apr 15 | Oct 26 · Nov 7 · Nov 24 | 223 days | 100% |
| Hard freeze (28°F) | Feb 24 · Mar 18 · Apr 4 | Nov 4 · Nov 20 · Dec 12 | 248 days | 100% |
Planting calendar for Newberry
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 18 |
| 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 28 |
| Summer squash | Sow outdoors | Apr 16 – May 31 |
| Winter squash & pumpkins | Sow outdoors | Apr 30 – May 31 |
| Snap beans | Sow outdoors | Apr 16 – Aug 20 |
| Sweet corn | Sow outdoors | Apr 16 – Jul 18 |
| 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 8 – Jul 18 |
| Broccoli | Transplant outdoors (fall) | Aug 7 – Aug 18 |
| Cabbage | Start seeds indoors (spring) | Jan 31 – Feb 28 |
| Cabbage | Transplant outdoors (spring) | Feb 28 – Mar 31 |
| Cabbage | Start seeds indoors (fall) | Jun 28 – Jul 28 |
| Cabbage | Transplant outdoors (fall) | Jul 28 – Aug 28 |
| Leaf lettuce | Sow outdoors (spring) | Feb 28 – May 16 |
| Leaf lettuce | Sow outdoors (fall) | Jul 28 – Sep 13 |
| Spinach | Sow outdoors (spring) | Feb 21 – Apr 6 |
| Spinach | Sow outdoors (fall) | Aug 14 – Sep 18 |
| Radishes | Sow outdoors (spring) | Feb 28 – Apr 20 |
| Radishes | Sow outdoors (fall) | Jul 28 – Sep 28 |
| Kale | Sow outdoors (spring) | Mar 17 – Apr 6 |
| Kale | Sow outdoors (fall) | Jul 21 – Aug 28 |
| Carrots | Sow outdoors (spring) | Mar 31 – May 16 |
| Carrots | Sow outdoors (fall) | Jun 28 – Aug 13 |
| Garlic | Plant outdoors (fall) | Oct 28 – Nov 28 |
Where these dates come from
ZIP code 29108 is matched to the NOAA station Newberry, SC, 0.9 km away, at 513 ft elevation (34 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Newberry, SC (used) | 513 ft | Mar 31 | Nov 7 |
| Little Mtn, SC | 711 ft | Mar 22 | Nov 11 |
| Lake Greenwood, SC | 422 ft | Apr 1 | Nov 4 |
| Clinton, SC | 655 ft | Mar 29 | Nov 4 |
Frost dates near Newberry
- Prosperity, SC 29127 · last Mar 22, first Nov 11
- Pomaria, SC 29126 · last Mar 31, first Nov 7
- Silverstreet, SC 29145 · last Mar 31, first Nov 7
- Kinards, SC 29355 · last Mar 31, first Nov 7
- Little Mountain, SC 29075 · last Mar 22, first Nov 11
- Joanna, SC 29351 · last Apr 1, first Nov 5
- Whitmire, SC 29178 · last Apr 6, first Oct 30
- Chappells, SC 29037 · last Apr 1, first Nov 4
Frequently asked questions
- When is the last frost in Newberry, SC?
- For ZIP code 29108, the average last spring frost (32°F) is March 31, based on NOAA 1991-2020 climate normals for the Newberry, SC weather station. There is a 1-in-10 chance of a frost after April 15.
- When is the first frost in Newberry, SC?
- The average first fall frost (32°F) is November 7. There is a 1-in-10 chance of frost by October 26, so tender plants are at risk from that point on.
- How long is the growing season in 29108?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 223 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.