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🍂 First Frost Dates for Wakpala, South Dakota 57658

The first 36°F frost date is 30% likely to be on Sep 24. (See detailed probabilities below.)

The first 32°F light freeze date is 30% likely to be on Oct 2. (See detailed probabilities below.)

(See also 🌷 Last Spring Frost Dates.)

First frost date probabilities for Wakpala, SD 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 17
20% chanceSep 21
30% chanceSep 24
40% chanceSep 27
50% chanceSep 29
60% chanceOct 1
70% chanceOct 4
80% chanceOct 7
90% chanceOct 11
Probability of light freeze (32°F) on or before...
10% chanceSep 25
20% chanceSep 29
30% chanceOct 2
40% chanceOct 5
50% chanceOct 7
60% chanceOct 10
70% chanceOct 13
80% chanceOct 16
90% chanceOct 20
Probability of moderate freeze (28°F) on or before...
10% chanceOct 2
20% chanceOct 6
30% chanceOct 10
40% chanceOct 13
50% chanceOct 16
60% chanceOct 19
70% chanceOct 22
80% chanceOct 25
90% chanceOct 28
Probability of moderate hard freeze (24°F) on or before...
10% chanceOct 11
20% chanceOct 16
30% chanceOct 20
40% chanceOct 23
50% chanceOct 26
60% chanceOct 28
70% chanceOct 31
80% chanceNov 3
90% chanceNov 8
Probability of hard freeze (20°F) on or before...
10% chanceOct 19
20% chanceOct 25
30% chanceOct 28
40% chanceOct 31
50% chanceNov 3
60% chanceNov 5
70% chanceNov 8
80% chanceNov 11
90% chanceNov 16
Probability of severe hard freeze (16°F) on or before...
10% chanceOct 27
20% chanceNov 1
30% chanceNov 4
40% chanceNov 7
50% chanceNov 10
60% chanceNov 13
70% chanceNov 16
80% chanceNov 20
90% chanceNov 25

Agricultural climatic data from weather station: MOBRIDGE 2NNW (USC00395691)

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