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🍂 First Frost Dates for Farmington, New Mexico 87401

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

The first 32°F light freeze date is 30% likely to be on Oct 8. (See detailed probabilities below.)

(See also 🌷 Last Spring Frost Dates.)

First frost date probabilities for Farmington, NM 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 26
30% chanceSep 30
40% chanceOct 2
50% chanceOct 5
60% chanceOct 7
70% chanceOct 9
80% chanceOct 12
90% chanceOct 17
Probability of light freeze (32°F) on or before...
10% chanceOct 1
20% chanceOct 5
30% chanceOct 8
40% chanceOct 11
50% chanceOct 14
60% chanceOct 17
70% chanceOct 19
80% chanceOct 22
90% chanceOct 26
Probability of moderate freeze (28°F) on or before...
10% chanceOct 10
20% chanceOct 14
30% chanceOct 18
40% chanceOct 21
50% chanceOct 24
60% chanceOct 26
70% chanceOct 29
80% chanceNov 1
90% chanceNov 5
Probability of moderate hard freeze (24°F) on or before...
10% chanceOct 19
20% chanceOct 24
30% chanceOct 28
40% chanceNov 1
50% chanceNov 3
60% chanceNov 5
70% chanceNov 8
80% chanceNov 11
90% chanceNov 15
Probability of hard freeze (20°F) on or before...
10% chanceOct 30
20% chanceNov 4
30% chanceNov 7
40% chanceNov 10
50% chanceNov 13
60% chanceNov 15
70% chanceNov 18
80% chanceNov 21
90% chanceNov 24
Probability of severe hard freeze (16°F) on or before...
10% chanceNov 9
20% chanceNov 14
30% chanceNov 17
40% chanceNov 20
50% chanceNov 22
60% chanceNov 25
70% chanceNov 28
80% chanceDec 1
90% chanceDec 6

Agricultural climatic data from weather station: FARMINGTON RGNL AP (USW00023090)

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