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🍂 First Frost Dates for Arrow Rock, Missouri 65320

The first 36°F frost date is 30% likely to be on Oct 1. (See detailed probabilities below.)

The first 32°F light freeze date is 30% likely to be on Oct 11. (See detailed probabilities below.)

(See also 🌷 Last Spring Frost Dates.)

First frost date probabilities for Arrow Rock, 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 22
20% chanceSep 27
30% chanceOct 1
40% chanceOct 3
50% chanceOct 6
60% chanceOct 9
70% chanceOct 12
80% chanceOct 16
90% chanceOct 20
Probability of light freeze (32°F) on or before...
10% chanceOct 1
20% chanceOct 6
30% chanceOct 11
40% chanceOct 15
50% chanceOct 18
60% chanceOct 21
70% chanceOct 24
80% chanceOct 28
90% chanceNov 1
Probability of moderate freeze (28°F) on or before...
10% chanceOct 13
20% chanceOct 20
30% chanceOct 24
40% chanceOct 27
50% chanceOct 31
60% chanceNov 2
70% chanceNov 5
80% chanceNov 8
90% chanceNov 14
Probability of moderate hard freeze (24°F) on or before...
10% chanceOct 25
20% chanceNov 1
30% chanceNov 3
40% chanceNov 6
50% chanceNov 9
60% chanceNov 13
70% chanceNov 17
80% chanceNov 21
90% chanceNov 28
Probability of hard freeze (20°F) on or before...
10% chanceNov 4
20% chanceNov 9
30% chanceNov 14
40% chanceNov 17
50% chanceNov 21
60% chanceNov 25
70% chanceNov 29
80% chanceDec 3
90% chanceDec 9
Probability of severe hard freeze (16°F) on or before...
10% chanceNov 13
20% chanceNov 19
30% chanceNov 24
40% chanceNov 28
50% chanceDec 1
60% chanceDec 4
70% chanceDec 8
80% chanceDec 13
90% chanceDec 19

Agricultural climatic data from weather station: NEW FRANKLIN 1W (USC00236012)

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