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🍂 First Frost Dates for Karnack, Texas 75661

The first 36°F frost date is 30% likely to be on Oct 31. (See detailed probabilities below.)

The first 32°F light freeze date is 30% likely to be on Nov 13. (See detailed probabilities below.)

(See also 🌷 Last Spring Frost Dates.)

First frost date probabilities for Karnack, TX 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 21
20% chanceOct 27
30% chanceOct 31
40% chanceNov 4
50% chanceNov 7
60% chanceNov 12
70% chanceNov 16
80% chanceNov 20
90% chanceNov 27
Probability of light freeze (32°F) on or before...
10% chanceNov 1
20% chanceNov 7
30% chanceNov 13
40% chanceNov 18
50% chanceNov 22
60% chanceNov 26
70% chanceDec 1
80% chanceDec 3
90% chanceDec 8
Probability of moderate freeze (28°F) on or before...
10% chanceNov 14
20% chanceNov 22
30% chanceNov 28
40% chanceDec 1
50% chanceDec 4
60% chanceDec 8
70% chanceDec 12
80% chanceDec 18
90% chanceDec 27
Probability of moderate hard freeze (24°F) on or before...
10% chanceDec 1
20% chanceDec 5
30% chanceDec 9
40% chanceDec 14
50% chanceDec 19
60% chanceDec 24
70% chanceDec 29
80% chanceJan 4
90% chanceJan 14
Probability of hard freeze (20°F) on or before...
10% chanceDec 9
20% chanceDec 15
30% chanceDec 21
40% chanceDec 26
50% chanceDec 30
60% chanceJan 2
70% chanceJan 8
80% chanceJan 16
90% chanceJan 28
Probability of severe hard freeze (16°F) on or before...
10% chanceDec 13
20% chanceDec 20
30% chanceDec 26
40% chanceDec 30
50% chanceJan 1
60% chanceJan 4
70% chanceJan 10
80% chanceJan 18
90% chanceJan 27

Agricultural climatic data from weather station: MARSHALL (USC00415618)

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