Frost dates for 31303Clyo, GA
The average last spring frost in Clyo is March 7 and the average first fall frost is November 21, giving a typical growing season of about 257 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Mar 7
- Average first fall frost
- Nov 21
- Growing season
- 257 days
Safer after Mar 27 (1-in-10 risk)
Possible by Nov 5 (1-in-10 risk)
First frost typically in 18 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 2 · Mar 22 · Apr 10 | Oct 28 · Nov 9 · Nov 26 | 230 days | 100% |
| Frost / freeze (32°F) | Feb 11 · Mar 7 · Mar 27 | Nov 5 · Nov 21 · Dec 15 | 257 days | 100% |
| Hard freeze (28°F) | Jan 25 · Feb 22 · Mar 17 | Nov 16 · Dec 8 · Jan 9 | 290 days | 100% |
Planting calendar for Clyo
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 4 – Apr 12 |
| Tomatoes | Transplant outdoors | Mar 23 – Aug 1 |
| Peppers | Start seeds indoors | Feb 4 – Mar 7 |
| Peppers | Transplant outdoors | Apr 6 – May 7 |
| Eggplant | Start seeds indoors | Feb 21 – Mar 22 |
| Eggplant | Transplant outdoors | Apr 6 – May 7 |
| Cucumbers | Sow outdoors | Apr 6 – Aug 11 |
| Summer squash | Sow outdoors | Mar 23 – May 7 |
| Winter squash & pumpkins | Sow outdoors | Apr 6 – May 7 |
| Snap beans | Sow outdoors | Mar 23 – Sep 3 |
| Sweet corn | Sow outdoors | Mar 23 – Aug 1 |
| Watermelon & cantaloupe | Sow outdoors | Apr 6 – May 7 |
| Okra | Sow outdoors | Mar 30 – Apr 22 |
| Peas | Sow outdoors (spring) | Feb 4 – Mar 22 |
| Potatoes | Plant outdoors (spring) | Feb 4 – Apr 6 |
| Onions | Start seeds indoors (spring) | Dec 24 – Jan 20 |
| Onions | Transplant outdoors (spring) | Feb 21 – Mar 22 |
| Broccoli | Start seeds indoors (spring) | Jan 17 – Feb 20 |
| Broccoli | Transplant outdoors (spring) | Feb 21 – Mar 22 |
| Broccoli | Start seeds indoors (fall) | Jul 22 – Aug 1 |
| Broccoli | Transplant outdoors (fall) | Aug 21 – Sep 1 |
| Cabbage | Start seeds indoors (spring) | Jan 7 – Feb 4 |
| Cabbage | Transplant outdoors (spring) | Feb 4 – Mar 7 |
| Cabbage | Start seeds indoors (fall) | Jul 12 – Aug 11 |
| Cabbage | Transplant outdoors (fall) | Aug 11 – Sep 11 |
| Leaf lettuce | Sow outdoors (spring) | Feb 4 – Apr 22 |
| Leaf lettuce | Sow outdoors (fall) | Aug 11 – Sep 27 |
| Spinach | Sow outdoors (spring) | Jan 28 – Mar 13 |
| Spinach | Sow outdoors (fall) | Aug 28 – Oct 2 |
| Radishes | Sow outdoors (spring) | Feb 4 – Mar 27 |
| Radishes | Sow outdoors (fall) | Aug 11 – Oct 12 |
| Kale | Sow outdoors (spring) | Feb 21 – Mar 13 |
| Kale | Sow outdoors (fall) | Aug 4 – Sep 11 |
| Carrots | Sow outdoors (spring) | Mar 7 – Apr 22 |
| Carrots | Sow outdoors (fall) | Jul 12 – Aug 27 |
| Garlic | Plant outdoors (fall) | Nov 11 – Dec 12 |
Where these dates come from
ZIP code 31303 is matched to the NOAA station Brooklet 1 W, GA, 37.5 km away, at 180 ft elevation (85 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Brooklet 1 W, GA (used) | 180 ft | Mar 7 | Nov 21 |
| Hampton 1S, SC | 95 ft | Mar 6 | Nov 26 |
| Savannah Intl Ap, GA | 46 ft | Mar 2 | Nov 30 |
| Rocky Ford 4Se, GA | 160 ft | Mar 14 | Nov 15 |
Frost dates near Clyo
- Garnett, SC 29922 · last Mar 23, first Nov 6
- Tillman, SC 29943 · last Mar 2, first Nov 30
- Springfield, GA 31329 · last Mar 2, first Nov 30
- Newington, GA 30446 · last Mar 14, first Nov 15
- Scotia, SC 29939 · last Mar 6, first Nov 26
- Pineland, SC 29934 · last Mar 23, first Nov 6
- Oliver, GA 30449 · last Mar 7, first Nov 21
- Furman, SC 29921 · last Mar 23, first Nov 6
Frequently asked questions
- When is the last frost in Clyo, GA?
- For ZIP code 31303, the average last spring frost (32°F) is March 7, based on NOAA 1991-2020 climate normals for the Brooklet 1 W, GA weather station. There is a 1-in-10 chance of a frost after March 27.
- When is the first frost in Clyo, GA?
- The average first fall frost (32°F) is November 21. There is a 1-in-10 chance of frost by November 5, so tender plants are at risk from that point on.
- How long is the growing season in 31303?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 257 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.