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🍂 First Frost Dates for Fairlee, Vermont 05045

The first 36°F frost date is 30% likely to be on Sep 23. (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 Fairlee, VT 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 16
20% chanceSep 20
30% chanceSep 23
40% chanceSep 26
50% chanceSep 28
60% chanceSep 30
70% chanceOct 1
80% chanceOct 4
90% chanceOct 7
Probability of light freeze (32°F) on or before...
10% chanceSep 27
20% chanceSep 30
30% chanceOct 2
40% chanceOct 4
50% chanceOct 6
60% chanceOct 8
70% chanceOct 11
80% chanceOct 14
90% chanceOct 19
Probability of moderate freeze (28°F) on or before...
10% chanceOct 4
20% chanceOct 8
30% chanceOct 11
40% chanceOct 13
50% chanceOct 16
60% chanceOct 19
70% chanceOct 22
80% chanceOct 26
90% chanceNov 1
Probability of moderate hard freeze (24°F) on or before...
10% chanceOct 13
20% chanceOct 18
30% chanceOct 21
40% chanceOct 25
50% chanceOct 28
60% chanceNov 1
70% chanceNov 3
80% chanceNov 7
90% chanceNov 13
Probability of hard freeze (20°F) on or before...
10% chanceOct 23
20% chanceOct 30
30% chanceNov 2
40% chanceNov 5
50% chanceNov 9
60% chanceNov 13
70% chanceNov 17
80% chanceNov 21
90% chanceNov 26
Probability of severe hard freeze (16°F) on or before...
10% chanceNov 4
20% chanceNov 11
30% chanceNov 15
40% chanceNov 19
50% chanceNov 22
60% chanceNov 25
70% chanceNov 28
80% chanceDec 1
90% chanceDec 6

Agricultural climatic data from weather station: HANOVER (USC00273850)

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