Frost dates for 89179 — Las Vegas, NV
How Las Vegas compares
- In 8 years out of 10, the last spring frost in Las Vegas falls between May 13 and June 14, a 32-day window. The first fall frost falls between September 19 and October 17.
- The median last frost is 20 days later than the Nevada median of May 11.
- Its 124-day growing season is longer than 27% of the 84 Nevada places with a regular frost season (state median 149 days).
- The last frost is 89 days later than the zone 9a median of Mar 3. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 9a chart.
- The weather station records an average of 193 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | May 13 |
| 50% (median) | May 31 |
| 10% (safe for tender plants) | June 14 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 19 |
| 50% (median) | October 2 |
| 90% (late) | October 17 |
Frost here means 32°F (0°C). A median date means half of years have their last frost earlier and half later.
Planting calendar for Las Vegas, NV
Frost dates for 89179 — Las Vegas, NV — last frost May 31, first frost Oct 2, zone 9a. whenisthelastfrost.com
When to plant vegetables in Las Vegas, NV
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Mar 8 – Mar 22 | May 3 – May 17 | — | — |
| Peppers | Mar 22 – Apr 5 | Jun 14 – Jun 28 | — | — |
| Eggplant | Mar 22 – Apr 5 | Jun 14 – Jun 28 | — | — |
| Tomatoes | Apr 5 – Apr 19 | Jun 7 – Jun 21 | — | — |
| Lettuce | Apr 5 – Apr 19 | May 10 – May 24 | May 3 – Jun 7 | Aug 7 – Sep 4 |
| Kale | Apr 5 – Apr 19 | May 3 – May 17 | May 3 – May 17 | Jul 24 – Aug 14 |
| Broccoli | Apr 5 – Apr 19 | May 17 – May 31 | — | Jun 26 – Jul 17 |
| Cabbage | Apr 5 – Apr 19 | May 10 – May 24 | — | Jun 26 – Jul 17 |
| Cauliflower | Apr 5 – Apr 19 | May 17 – May 31 | — | Jun 26 – Jul 17 |
| Okra | Apr 19 – May 3 | Jun 21 – Jul 5 | Jun 21 – Jul 5 | — |
| Basil | Apr 19 – May 3 | Jun 7 – Jun 21 | — | — |
| Peas | — | — | Apr 19 – May 10 | Jul 10 – Jul 31 |
| Spinach | — | — | Apr 19 – May 10 | Aug 7 – Aug 28 |
| Radishes | — | — | Apr 26 – Jun 7 | Aug 21 – Sep 11 |
| Cucumbers | May 3 – May 10 | Jun 14 – Jun 21 | Jun 7 – Jun 21 | Jul 17 – Jul 31 |
| Zucchini & Summer Squash | May 3 – May 10 | — | Jun 7 – Jun 21 | Jul 24 – Aug 7 |
| Winter Squash & Pumpkins | May 3 – May 10 | — | Jun 7 – Jun 21 | — |
| Melons & Watermelon | May 3 – May 10 | Jun 14 – Jun 28 | — | — |
| Carrots | — | — | May 10 – Jun 7 | Jul 10 – Jul 24 |
| Beets | — | — | May 10 – Jun 7 | Jul 24 – Aug 7 |
| Potatoes | — | — | May 10 – May 31 | — |
| Swiss Chard | — | — | May 17 – Jun 14 | Jul 24 – Aug 7 |
| Cilantro | — | — | May 17 – Jun 7 | Aug 7 – Aug 28 |
| Green Beans | — | — | Jun 7 – Jun 28 | Jul 17 – Jul 31 |
| Sweet Corn | — | — | Jun 7 – Jun 21 | — |
| Sweet Potatoes | — | Jun 14 – Jul 5 | — | — |
| Garlic | — | — | — | Sep 18 – Oct 23 |
Dates come from the median frost dates and common extension-service timing. Adjust for your soil temperature, microclimate and the varieties you grow.
About these dates
Based on 1991–2020 NOAA climate normals for the Mt Charleston Fire Stn, NV weather station, 11 km away (elevation 7,461 ft (2,274 m)).
ZIP codes in Las Vegas: 89101 89102 89103 89104 89105 89106 89107 89108 89109 89110 89111 89112 89113 89114 89115 89116 89117 89118 89119 89120 89121 89122 89123 89124 89125 89126 89127 89128 89129 89130 89131 89132 89133 89134 89135 89136 89137 89138 89139 89140 89141 89142 89143 89144 89145 89146 89147 89148 89149 89150 89151 89152 89153 89154 89155 89156 89157 89158 89159 89160 …
Frost dates near Las Vegas
- Blue Diamond Mar 13 · Nov 15
- North Las Vegas Feb 1 · Dec 8
- The Lakes (Clark) Jan 24 · Dec 10
- Indian Springs Mar 22 · Nov 7
- Pahrump Mar 29 · Nov 3
- Nellis Afb Feb 1 · Dec 8
- Sloan Feb 4 · Dec 5
- Henderson Jan 20 · Dec 15
Frequently asked questions
When is the last frost in Las Vegas, NV?
The median last spring frost in Las Vegas, NV is May 31. There is still about a 10% chance of frost after June 14, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Las Vegas, NV?
The median first fall frost is October 2, with about a 10% chance of frost before September 19.
How long is the growing season in Las Vegas, NV?
About 124 days between the median last spring frost and first fall frost.
What planting zone is Las Vegas, NV?
Las Vegas, NV is in USDA hardiness zone 9a.