🍂 2026 First Frost Dates for Kennesaw, Georgia 30144
The first 36°F frost date is 30% likely to be on Oct 21. (See detailed probabilities below.)
The first 32°F light freeze date is 30% likely to be on Oct 31. (See detailed probabilities below.)
(See also 🌷 Last Spring Frost Dates.)
First frost date probabilities for Kennesaw, GA are based on historical climate data.
Always check your local forecast for the most up-to-date frost warnings.
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What is a First Frost Date?
The first fall frost signals the end of your local growing season. This date serves as an important deadline for gardeners and farmers. You'll need to complete harvesting before this point. Annuals and other tender plants will die back when frost hits, and perennial plants will enter their dormant phase for winter. Meanwhile, it's time to enjoy a cup of hot cocoa and a cozy sweater—and start planning your spring garden!
How to use the First Frost Date?
Watch your local weather forecasts in early fall to predict the first frost date. Harvest tender crops and protect vulnerable plants before frost arrives. For late-summer plantings, count backward from your area's average first frost date. This ensures your crops have enough time to mature. Keep track of when frost actually occurs in your garden each year. This helps you identify protected spots where the growing season might last longer.
First Frost Date Probabilities
| Probability of frost (36°F) on or before... | |
|---|---|
| 10% chance | Oct 14 |
| 20% chance | Oct 19 |
| 30% chance | Oct 21 |
| 40% chance | Oct 24 |
| 50% chance | Oct 26 |
| 60% chance | Oct 28 |
| 70% chance | Oct 31 |
| 80% chance | Nov 2 |
| 90% chance | Nov 8 |
| Probability of light freeze (32°F) on or before... | |
|---|---|
| 10% chance | Oct 23 |
| 20% chance | Oct 27 |
| 30% chance | Oct 31 |
| 40% chance | Nov 1 |
| 50% chance | Nov 4 |
| 60% chance | Nov 7 |
| 70% chance | Nov 10 |
| 80% chance | Nov 15 |
| 90% chance | Nov 20 |
| Probability of moderate freeze (28°F) on or before... | |
|---|---|
| 10% chance | Nov 1 |
| 20% chance | Nov 6 |
| 30% chance | Nov 10 |
| 40% chance | Nov 13 |
| 50% chance | Nov 17 |
| 60% chance | Nov 20 |
| 70% chance | Nov 26 |
| 80% chance | Dec 1 |
| 90% chance | Dec 7 |
| Probability of moderate hard freeze (24°F) on or before... | |
|---|---|
| 10% chance | Nov 11 |
| 20% chance | Nov 19 |
| 30% chance | Nov 24 |
| 40% chance | Nov 29 |
| 50% chance | Dec 2 |
| 60% chance | Dec 6 |
| 70% chance | Dec 11 |
| 80% chance | Dec 19 |
| 90% chance | Dec 29 |
| Probability of hard freeze (20°F) on or before... | |
|---|---|
| 10% chance | Nov 26 |
| 20% chance | Dec 3 |
| 30% chance | Dec 8 |
| 40% chance | Dec 14 |
| 50% chance | Dec 22 |
| 60% chance | Dec 27 |
| 70% chance | Jan 1 |
| 80% chance | Jan 7 |
| 90% chance | Jan 16 |
| Probability of severe hard freeze (16°F) on or before... | |
|---|---|
| 10% chance | Dec 7 |
| 20% chance | Dec 13 |
| 30% chance | Dec 24 |
| 40% chance | Dec 30 |
| 50% chance | Jan 3 |
| 60% chance | Jan 7 |
| 70% chance | Jan 14 |
| 80% chance | Jan 21 |
| 90% chance | Feb 1 |
Agricultural climatic data from weather station: DALLAS 7 NE (USC00092485:frost)