FrostDateByZip

Frost dates for 89011Henderson, NV

The average last spring frost in Henderson is January 31 and the average first fall frost is December 11, giving a typical growing season of about 317 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Jan 31

Safer after Feb 27 (1-in-10 risk)

Average first fall frost
Dec 11

Possible by Nov 28 (1-in-10 risk)

Growing season
317 days

First frost typically in 42 days

Frost risk by date

NOAA reports frost dates as probabilities. The middle date is the average (a 50% chance). For spring, the 10% date is a safer planting date: frost after it happens in about 1 year in 10. Light frost (36°F) can damage tender plants; a hard freeze (28°F) kills most annuals.

Spring dates: chance of a frost AFTER the date. Fall dates: chance of a frost BEFORE the date.
TemperatureLast spring: 90% / 50% / 10% chanceFirst fall: 10% / 50% / 90% chanceGrowing season (50%)Years with at least one
Light frost (36°F)Jan 31 · Feb 21 · Mar 11Nov 17 · Dec 1 · Dec 14281 days100%
Frost / freeze (32°F)Dec 30 · Jan 31 · Feb 27Nov 28 · Dec 11 · Dec 27317 days99%
Hard freeze (28°F)Dec 13 · Jan 3 · Feb 7Dec 6 · Dec 23 · Jan 16356 days67%

Where these dates come from

ZIP code 89011 is matched to the NOAA station Callville Bay, NV, 17.6 km away, at 1,270 ft elevation (174 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Callville Bay, NV (used)1,270 ftJan 31Dec 11
Alan Bible Visitor Ctr, NV1,641 ftJan 21Dec 17
Las Vegas Mccarran Ap, NV2,131 ftJan 20Dec 15
N Las Vegas, NV1,898 ftFeb 1Dec 8

Frost dates near Henderson

Frequently asked questions

When is the last frost in Henderson, NV?
For ZIP code 89011, the average last spring frost (32°F) is January 31, based on NOAA 1991-2020 climate normals for the Callville Bay, NV weather station. There is a 1-in-10 chance of a frost after February 27.
When is the first frost in Henderson, NV?
The average first fall frost (32°F) is December 11. There is a 1-in-10 chance of frost by November 28, so tender plants are at risk from that point on.
How long is the growing season in 89011?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 317 days long.
Are these frost dates a forecast?
No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.