Frost dates / Nevada / North Las Vegas

Frost dates in North Las Vegas, NV

The station on this page is N LAS VEGAS, NV US (USC00265705), 4.1 miles from the city point. Population in the Census 2024 estimate is 294,034.

Zone 9aUSDA average annual extreme minimum 20°F to 25°F, from ZIP 89086 (1.2 miles from the city point used on this page).

Median last 32°F is February 1. Median first 32°F is December 8. The 50% growing-season length is 311 days. The green band runs from the median last frost to the median first frost. Thin ticks mark the 10%, 50%, and 90% dates.

Outside the median season Growing seasonTicks: 10%, 50%, and 90%

Last 32°F in spring

NCEI’s probability is the chance the last spring minimum of 32°F or lower occurs on or after the date.

Probability	Date	How to read it
90%	January 2	Earlier date. A last 32°F on or after this day is common.
50%	February 1	Median.
10%	February 24	Later date. A last 32°F on or after this day is uncommon.

First 32°F in fall

NCEI’s probability is the chance the first autumn minimum of 32°F or lower occurs on or before the date.

Probability	Date	How to read it
10%	November 23	Earlier date. A first 32°F on or before this day is uncommon.
50%	December 8	Median.
90%	December 27	Later date. A first 32°F on or before this day is common.

32°F growing-season length

Days between the last spring 32°F and the first autumn 32°F. The figure is a length the season meets or exceeds at that probability, from NCEI, not a subtraction done on this site.

Probability the season is at least this long	Days
10%	341
50%	311
90%	282

28°F threshold

	10%	50%	90%
Last, on or after	February 8	January 4	December 12
First, on or before	December 1	December 21	January 24
Season at least	365 days	349 days	319 days

36°F threshold

	10%	50%	90%
Last, on or after	March 9	February 20	January 31
First, on or before	November 11	November 26	December 10
Season at least	303 days	278 days	255 days

Station N LAS VEGAS, NV US (USC00265705). Completeness flag R, 23 years used for the 32°F dates. NCEI’s annual probability of at least one day at or below 32°F is 99.2%. Freeze dates are conditional on that threshold occurring. Elevation 578.5 m. The same probability language applies to the 28°F and 36°F rows when those dates passed the same quality checks.

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North Las Vegas, NV

Zone 9aAverage annual extreme minimum 20°F to 25°F

Outside the median season Growing seasonTicks: 10%, 50%, and 90%

Nevada. Nearest qualified station: N LAS VEGAS, NV US (USC00265705), 4.1 miles. Median last 32°F February 1. Median first 32°F December 8. The 50% growing-season length is 311 days.

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32°F probabilities at this station

	10%	50%	90%
Last 32°F on or after	February 24	February 1	January 2
First 32°F on or before	November 23	December 8	December 27

Column order matches the NCEI file: for the last freeze, 10% is the later date and 90% is the earlier date. How to read the probabilities.

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Planting calendar

Frost dates for Nevada are above. Planting windows appear for states with a cited extension guide. The fall and seed tools use the numbers you enter and the station dates.

Date checks use your device’s calendar and appear after the page loads.