Last frost date in Las Vegas, NV
In Las Vegas, the last spring frost comes around January 24 in an average year. Wait until February 19 if you want 90% odds of no more frost. The first fall frost usually arrives about December 10, which leaves 323 frost-free days. An early freeze before November 24 happens one year in ten.
- Safe after (10% risk)
- Feb 19
- Average first frost
- Dec 10
- Frost-free season
- 323 days
- Hard freeze (28°F) ends
- Jan 2
No frost in the next 6 nights
National Weather Service forecast, updated Oct 22, 12:57 UTC
- ThuOct 2253°
- FriOct 2357°
- SatOct 2455°
- SunOct 2556°
- MonOct 2657°
- TueOct 2757°
Planting calendar for Las Vegas
Windows count forward or back from the average frost dates above. Click a crop for dates across Nevada.
Frost probabilities
| Threshold | Spring, 90% chance later | Spring, 50% | Spring, 10% | Fall, 10% chance earlier | Fall, 50% | Fall, 90% |
|---|---|---|---|---|---|---|
| Light frost, 32°F | Dec 27 | Jan 24 | Feb 19 | Nov 24 | Dec 10 | Dec 29 |
| Hard freeze, 28°F | Dec 10 | Jan 2 | Feb 3 | Dec 4 | Dec 25 | Jan 22 |
Read the spring 10% column as the date after which only one year in ten still gets frost. That is the safer date for tomatoes, peppers and basil.
Where these numbers come from
NOAA station Las Vegas Air Terminal (USW00053123) sits 4.1 miles from the center of Las Vegas at 2,203 feet. Its averages cover 1991 to 2020. Low spots, valleys and open fields can keep getting frost a week or two after the station stops; city centers and lakeshores usually get less of it.
Questions
When is the last frost in Las Vegas, NV?
The average last frost date in Las Vegas is January 24, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after February 19.
When is the first frost in Las Vegas?
The first frost in fall usually comes around December 10. One year in ten it arrives before November 24.
How long is the growing season in Las Vegas?
About 323 days between the average last and first frost.
When should I plant tomatoes in Las Vegas?
Plant tomato seedlings outside from February 15 to March 1. Start seeds indoors six to eight weeks earlier.
Nearby in Nevada
- Summerlin SouthMar 13
- Spring ValleyFeb 4
- WinchesterJan 20
- North Las VegasFeb 1
- ParadiseJan 20
- Sunrise ManorFeb 1
- PahrumpMar 29
- MesquiteMar 16
- FernleyApr 18
- Carson CityMay 4
- ElkoMay 29
- SparksMay 1