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🍂 First Frost Dates for Gays, Illinois 61928

The first 36°F frost date is 30% likely to be on Oct 3. (See detailed probabilities below.)

The first 32°F light freeze date is 30% likely to be on Oct 15. (See detailed probabilities below.)

(See also 🌷 Last Spring Frost Dates.)

First frost date probabilities for Gays, 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% chanceSep 26
20% chanceSep 30
30% chanceOct 3
40% chanceOct 6
50% chanceOct 9
60% chanceOct 12
70% chanceOct 15
80% chanceOct 19
90% chanceOct 23
Probability of light freeze (32°F) on or before...
10% chanceOct 5
20% chanceOct 11
30% chanceOct 15
40% chanceOct 19
50% chanceOct 22
60% chanceOct 25
70% chanceOct 28
80% chanceOct 31
90% chanceNov 5
Probability of moderate freeze (28°F) on or before...
10% chanceOct 19
20% chanceOct 24
30% chanceOct 28
40% chanceNov 1
50% chanceNov 3
60% chanceNov 5
70% chanceNov 9
80% chanceNov 12
90% chanceNov 18
Probability of moderate hard freeze (24°F) on or before...
10% chanceOct 29
20% chanceNov 3
30% chanceNov 6
40% chanceNov 10
50% chanceNov 13
60% chanceNov 17
70% chanceNov 21
80% chanceNov 25
90% chanceDec 1
Probability of hard freeze (20°F) on or before...
10% chanceNov 7
20% chanceNov 14
30% chanceNov 18
40% chanceNov 22
50% chanceNov 26
60% chanceNov 30
70% chanceDec 3
80% chanceDec 7
90% chanceDec 13
Probability of severe hard freeze (16°F) on or before...
10% chanceNov 19
20% chanceNov 26
30% chanceNov 30
40% chanceDec 3
50% chanceDec 6
60% chanceDec 9
70% chanceDec 13
80% chanceDec 18
90% chanceDec 23

Agricultural climatic data from weather station: WINDSOR (USC00119354)

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