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🍂 First Frost Dates for Joppa, Illinois 62953

The first 36°F frost date is 30% likely to be on Oct 9. (See detailed probabilities below.)

The first 32°F light freeze date is 30% likely to be on Oct 20. (See detailed probabilities below.)

(See also 🌷 Last Spring Frost Dates.)

First frost date probabilities for Joppa, IL 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 1
20% chanceOct 6
30% chanceOct 9
40% chanceOct 12
50% chanceOct 15
60% chanceOct 18
70% chanceOct 21
80% chanceOct 24
90% chanceOct 29
Probability of light freeze (32°F) on or before...
10% chanceOct 11
20% chanceOct 17
30% chanceOct 20
40% chanceOct 23
50% chanceOct 26
60% chanceOct 29
70% chanceNov 1
80% chanceNov 4
90% chanceNov 9
Probability of moderate freeze (28°F) on or before...
10% chanceOct 21
20% chanceOct 27
30% chanceOct 31
40% chanceNov 3
50% chanceNov 6
60% chanceNov 9
70% chanceNov 13
80% chanceNov 18
90% chanceNov 26
Probability of moderate hard freeze (24°F) on or before...
10% chanceOct 31
20% chanceNov 5
30% chanceNov 11
40% chanceNov 15
50% chanceNov 19
60% chanceNov 24
70% chanceNov 29
80% chanceDec 2
90% chanceDec 8
Probability of hard freeze (20°F) on or before...
10% chanceNov 9
20% chanceNov 19
30% chanceNov 26
40% chanceDec 1
50% chanceDec 3
60% chanceDec 6
70% chanceDec 11
80% chanceDec 17
90% chanceDec 24
Probability of severe hard freeze (16°F) on or before...
10% chanceNov 26
20% chanceDec 2
30% chanceDec 6
40% chanceDec 10
50% chanceDec 15
60% chanceDec 20
70% chanceDec 25
80% chanceDec 30
90% chanceJan 6

Agricultural climatic data from weather station: PADUCAH (USW00003816)

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