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🍂 First Frost Dates for Las Vegas, Nevada 89139

The first 36°F frost date is 30% likely to be on Nov 15. (See detailed probabilities below.)

The first 32°F light freeze date is 30% likely to be on Nov 26. (See detailed probabilities below.)

(See also 🌷 Last Spring Frost Dates.)

First frost date probabilities for Las Vegas, NV 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% chanceNov 7
20% chanceNov 12
30% chanceNov 15
40% chanceNov 18
50% chanceNov 21
60% chanceNov 23
70% chanceNov 26
80% chanceNov 29
90% chanceDec 4
Probability of light freeze (32°F) on or before...
10% chanceNov 17
20% chanceNov 22
30% chanceNov 26
40% chanceNov 29
50% chanceDec 2
60% chanceDec 6
70% chanceDec 9
80% chanceDec 12
90% chanceDec 18
Probability of moderate freeze (28°F) on or before...
10% chanceNov 29
20% chanceDec 4
30% chanceDec 9
40% chanceDec 13
50% chanceDec 17
60% chanceDec 22
70% chanceDec 26
80% chanceJan 1
90% chanceJan 11
Probability of moderate hard freeze (24°F) on or before...
10% chanceDec 10
20% chanceDec 17
30% chanceDec 23
40% chanceDec 30
50% chanceJan 3
60% chanceJan 7
70% chanceJan 15
80% chanceJan 25
90% chanceFeb 2
Probability of hard freeze (20°F) on or before...
10% chanceDec 12
20% chanceDec 18
30% chanceDec 24
40% chanceDec 29
50% chanceJan 1
60% chanceJan 10
70% chanceJan 28
80% chanceFeb 2
90% chanceFeb 6
Probability of severe hard freeze (16°F) on or before...
10% chancerarely
20% chancerarely
30% chancerarely
40% chancerarely
50% chancerarely
60% chancerarely
70% chancerarely
80% chancerarely
90% chancerarely

Agricultural climatic data from weather station: LAS VEGAS WFO (USC00264439)

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