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🍂 First Frost Dates for Roby, Missouri 65557

The first 36°F frost date is 30% likely to be on Sep 28. (See detailed probabilities below.)

The first 32°F light freeze date is 30% likely to be on Oct 7. (See detailed probabilities below.)

(See also 🌷 Last Spring Frost Dates.)

First frost date probabilities for Roby, MO 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 19
20% chanceSep 24
30% chanceSep 28
40% chanceOct 1
50% chanceOct 3
60% chanceOct 6
70% chanceOct 9
80% chanceOct 12
90% chanceOct 18
Probability of light freeze (32°F) on or before...
10% chanceSep 28
20% chanceOct 3
30% chanceOct 7
40% chanceOct 11
50% chanceOct 14
60% chanceOct 18
70% chanceOct 21
80% chanceOct 25
90% chanceOct 30
Probability of moderate freeze (28°F) on or before...
10% chanceOct 8
20% chanceOct 15
30% chanceOct 19
40% chanceOct 23
50% chanceOct 26
60% chanceOct 29
70% chanceNov 1
80% chanceNov 5
90% chanceNov 11
Probability of moderate hard freeze (24°F) on or before...
10% chanceOct 19
20% chanceOct 25
30% chanceOct 30
40% chanceNov 2
50% chanceNov 5
60% chanceNov 9
70% chanceNov 13
80% chanceNov 18
90% chanceNov 24
Probability of hard freeze (20°F) on or before...
10% chanceOct 31
20% chanceNov 5
30% chanceNov 9
40% chanceNov 14
50% chanceNov 18
60% chanceNov 23
70% chanceNov 27
80% chanceDec 1
90% chanceDec 6
Probability of severe hard freeze (16°F) on or before...
10% chanceNov 10
20% chanceNov 18
30% chanceNov 23
40% chanceNov 28
50% chanceDec 1
60% chanceDec 4
70% chanceDec 8
80% chanceDec 13
90% chanceDec 19

Agricultural climatic data from weather station: LICKING 4N (USC00234919)

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