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🍂 First Frost Dates for Alderson, West Virginia 24910

The first 36°F frost date is 30% likely to be on Sep 21. (See detailed probabilities below.)

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

(See also 🌷 Last Spring Frost Dates.)

First frost date probabilities for Alderson, WV 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 11
20% chanceSep 17
30% chanceSep 21
40% chanceSep 24
50% chanceSep 26
60% chanceSep 29
70% chanceOct 1
80% chanceOct 4
90% chanceOct 9
Probability of light freeze (32°F) on or before...
10% chanceSep 21
20% chanceSep 26
30% chanceSep 30
40% chanceOct 2
50% chanceOct 4
60% chanceOct 7
70% chanceOct 10
80% chanceOct 15
90% chanceOct 21
Probability of moderate freeze (28°F) on or before...
10% chanceSep 30
20% chanceOct 4
30% chanceOct 7
40% chanceOct 10
50% chanceOct 14
60% chanceOct 18
70% chanceOct 22
80% chanceOct 26
90% chanceNov 1
Probability of moderate hard freeze (24°F) on or before...
10% chanceOct 8
20% chanceOct 14
30% chanceOct 19
40% chanceOct 23
50% chanceOct 26
60% chanceOct 30
70% chanceNov 2
80% chanceNov 5
90% chanceNov 11
Probability of hard freeze (20°F) on or before...
10% chanceOct 19
20% chanceOct 26
30% chanceOct 31
40% chanceNov 3
50% chanceNov 7
60% chanceNov 11
70% chanceNov 15
80% chanceNov 20
90% chanceNov 28
Probability of severe hard freeze (16°F) on or before...
10% chanceNov 1
20% chanceNov 7
30% chanceNov 13
40% chanceNov 17
50% chanceNov 22
60% chanceNov 27
70% chanceDec 1
80% chanceDec 5
90% chanceDec 13

Agricultural climatic data from weather station: UNION 3 SSE (USC00469011)

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