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🍂 First Frost Dates for Brooklyn, New York 11226

The first 36°F frost date is 30% likely to be on Nov 3. (See detailed probabilities below.)

The first 32°F light freeze date is 30% likely to be on Nov 15. (See detailed probabilities below.)

(See also 🌷 Last Spring Frost Dates.)

First frost date probabilities for Brooklyn, NY 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% chanceOct 26
20% chanceOct 31
30% chanceNov 3
40% chanceNov 5
50% chanceNov 8
60% chanceNov 11
70% chanceNov 14
80% chanceNov 17
90% chanceNov 22
Probability of light freeze (32°F) on or before...
10% chanceNov 7
20% chanceNov 12
30% chanceNov 15
40% chanceNov 17
50% chanceNov 20
60% chanceNov 23
70% chanceNov 26
80% chanceNov 30
90% chanceDec 5
Probability of moderate freeze (28°F) on or before...
10% chanceNov 17
20% chanceNov 21
30% chanceNov 25
40% chanceNov 29
50% chanceDec 1
60% chanceDec 4
70% chanceDec 7
80% chanceDec 11
90% chanceDec 16
Probability of moderate hard freeze (24°F) on or before...
10% chanceNov 27
20% chanceDec 1
30% chanceDec 4
40% chanceDec 8
50% chanceDec 11
60% chanceDec 15
70% chanceDec 19
80% chanceDec 23
90% chanceDec 29
Probability of hard freeze (20°F) on or before...
10% chanceDec 4
20% chanceDec 10
30% chanceDec 15
40% chanceDec 19
50% chanceDec 23
60% chanceDec 27
70% chanceDec 31
80% chanceJan 4
90% chanceJan 13
Probability of severe hard freeze (16°F) on or before...
10% chanceDec 12
20% chanceDec 19
30% chanceDec 25
40% chanceDec 30
50% chanceJan 3
60% chanceJan 7
70% chanceJan 12
80% chanceJan 18
90% chanceJan 27

Agricultural climatic data from weather station: NY AVE V BROOKLYN (USC00305796)

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