Brimhall, NM frost dates
How Brimhall compares
- In 8 years out of 10, the last spring frost in Brimhall falls between April 30 and May 26, a 26-day window. The first fall frost falls between September 27 and October 20.
- The median last frost is 8 days later than the New Mexico median of May 3.
- Its 149-day growing season is longer than 38% of the 349 New Mexico places with a regular frost season (state median 164 days).
- The last frost is 19 days later than the zone 6b median of Apr 22. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 6b chart.
- The weather station records an average of 166 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 30 |
| 50% (median) | May 11 |
| 10% (safe for tender plants) | May 26 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 27 |
| 50% (median) | October 7 |
| 90% (late) | October 20 |
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 Brimhall, NM
Brimhall, NM frost dates — last frost May 11, first frost Oct 7, zone 6b. whenisthelastfrost.com
When to plant vegetables in Brimhall, NM
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 16 – Mar 2 | Apr 13 – Apr 27 | — | — |
| Peppers | Mar 2 – Mar 16 | May 25 – Jun 8 | — | — |
| Eggplant | Mar 2 – Mar 16 | May 25 – Jun 8 | — | — |
| Tomatoes | Mar 16 – Mar 30 | May 18 – Jun 1 | — | — |
| Lettuce | Mar 16 – Mar 30 | Apr 20 – May 4 | Apr 13 – May 18 | Aug 12 – Sep 9 |
| Kale | Mar 16 – Mar 30 | Apr 13 – Apr 27 | Apr 13 – Apr 27 | Jul 29 – Aug 19 |
| Broccoli | Mar 16 – Mar 30 | Apr 27 – May 11 | — | Jul 1 – Jul 22 |
| Cabbage | Mar 16 – Mar 30 | Apr 20 – May 4 | — | Jul 1 – Jul 22 |
| Cauliflower | Mar 16 – Mar 30 | Apr 27 – May 11 | — | Jul 1 – Jul 22 |
| Okra | Mar 30 – Apr 13 | Jun 1 – Jun 15 | Jun 1 – Jun 15 | — |
| Basil | Mar 30 – Apr 13 | May 18 – Jun 1 | — | — |
| Peas | — | — | Mar 30 – Apr 20 | Jul 15 – Aug 5 |
| Spinach | — | — | Mar 30 – Apr 20 | Aug 12 – Sep 2 |
| Radishes | — | — | Apr 6 – May 18 | Aug 26 – Sep 16 |
| Cucumbers | Apr 13 – Apr 20 | May 25 – Jun 1 | May 18 – Jun 1 | Jul 22 – Aug 5 |
| Zucchini & Summer Squash | Apr 13 – Apr 20 | — | May 18 – Jun 1 | Jul 29 – Aug 12 |
| Winter Squash & Pumpkins | Apr 13 – Apr 20 | — | May 18 – Jun 1 | — |
| Melons & Watermelon | Apr 13 – Apr 20 | May 25 – Jun 8 | — | — |
| Carrots | — | — | Apr 20 – May 18 | Jul 15 – Jul 29 |
| Beets | — | — | Apr 20 – May 18 | Jul 29 – Aug 12 |
| Potatoes | — | — | Apr 20 – May 11 | — |
| Swiss Chard | — | — | Apr 27 – May 25 | Jul 29 – Aug 12 |
| Cilantro | — | — | Apr 27 – May 18 | Aug 12 – Sep 2 |
| Green Beans | — | — | May 18 – Jun 8 | Jul 22 – Aug 5 |
| Sweet Corn | — | — | May 18 – Jun 1 | — |
| Sweet Potatoes | — | May 25 – Jun 15 | — | — |
| Garlic | — | — | — | Sep 23 – Oct 28 |
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 Gallup Sand & Gravel, NM weather station, 32 km away (elevation 6,578 ft (2,005 m)).
Frost dates near Brimhall
- Mexican Springs May 29 · Sep 28
- Tohatchi May 11 · Oct 7
- Church Rock May 11 · Oct 7
- Gamerco May 31 · Sep 28
- Rehoboth May 11 · Oct 7
- Fort Wingate May 11 · Oct 7
- Gallup May 31 · Sep 28
- Sheep Springs May 3 · Oct 17
- Mentmore May 31 · Sep 28
- Navajo May 29 · Sep 28
Frequently asked questions
When is the last frost in Brimhall, NM?
The median last spring frost in Brimhall, NM is May 11. There is still about a 10% chance of frost after May 26, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Brimhall, NM?
The median first fall frost is October 7, with about a 10% chance of frost before September 27.
How long is the growing season in Brimhall, NM?
About 149 days between the median last spring frost and first fall frost.
What planting zone is Brimhall, NM?
Brimhall, NM is in USDA hardiness zone 6b.