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🍂 First Frost Dates for Alto, Georgia 30510

The first 36°F frost date is 30% likely to be on Oct 20. (See detailed probabilities below.)

The first 32°F light freeze date is 30% likely to be on Oct 30. (See detailed probabilities below.)

(See also 🌷 Last Spring Frost Dates.)

First frost date probabilities for Alto, 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% chanceOct 10
20% chanceOct 16
30% chanceOct 20
40% chanceOct 23
50% chanceOct 25
60% chanceOct 28
70% chanceOct 31
80% chanceNov 3
90% chanceNov 8
Probability of light freeze (32°F) on or before...
10% chanceOct 21
20% chanceOct 26
30% chanceOct 30
40% chanceNov 1
50% chanceNov 4
60% chanceNov 7
70% chanceNov 10
80% chanceNov 14
90% chanceNov 20
Probability of moderate freeze (28°F) on or before...
10% chanceNov 1
20% chanceNov 5
30% chanceNov 9
40% chanceNov 13
50% chanceNov 16
60% chanceNov 20
70% chanceNov 25
80% chanceDec 1
90% chanceDec 5
Probability of moderate hard freeze (24°F) on or before...
10% chanceNov 11
20% chanceNov 18
30% chanceNov 23
40% chanceNov 28
50% chanceDec 1
60% chanceDec 4
70% chanceDec 8
80% chanceDec 14
90% chanceDec 24
Probability of hard freeze (20°F) on or before...
10% chanceNov 25
20% chanceDec 1
30% chanceDec 6
40% chanceDec 10
50% chanceDec 14
60% chanceDec 20
70% chanceDec 26
80% chanceJan 1
90% chanceJan 12
Probability of severe hard freeze (16°F) on or before...
10% chanceDec 6
20% chanceDec 12
30% chanceDec 17
40% chanceDec 23
50% chanceDec 28
60% chanceJan 1
70% chanceJan 9
80% chanceJan 17
90% chanceJan 29

Agricultural climatic data from weather station: ALTO 4SE (USC00090236)

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