Last frost date in Cottonwood, Arizona
March 30
Average last frost in spring. In an early year (1 in 10) it's over by March 9; in a late year (1 in 10) it comes after April 21.
November 10
Average first frost in fall. 1 year in 10 it comes by October 25.
Source: NOAA U.S. Climate Normals 1991–2020, station Tuzigoot (USC00028904), 2.8 miles from Cottonwood, elevation 3,470 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Mar 9 | Mar 30 | Apr 21 |
| First frost in fall | Oct 25 | Nov 10 | Nov 23 |
Frost-free days in an average year: 223
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | Apr 17 | Oct 31 |
| Frost (32°F) | Every year | Mar 30 | Nov 10 |
| Hard freeze (28°F) | Every year | Mar 5 | Nov 20 |
Nights at 32°F or colder in an average year: 63
What to plant now in Cottonwood
- Mustard greensAug 15 – Nov 1Now
- Garden peasSept 1 – Nov 1Now
- ParsleySept 1 – Nov 15Now
- RadishesSept 1 – Nov 15Now
- SpinachSept 15 – Nov 1Now
- Corn saladOct 1 – Dec 1Now
- Onion setsOct 1 – Dec 1Now
- Upland cressOct 1 – Dec 1Now
- Asparagus plantsDec 1 – Jan 1Soon
- Spring planting calendar for an average last frost around March 30 Cottonwood: March 30
- Fall planting calendar for an average first frost around November 10 Cottonwood: November 10
Planting dates: USDA Home and Garden Bulletin No. 9 (1967), “Suburban and Farm Vegetable Gardens,” tables 4 and 5. How we match the table.
Nearby in Arizona
- Camp Verde 14 mi · last frost Apr 16
- Prescott Valley 22 mi · last frost Apr 30
- Chino Valley 24 mi · last frost Apr 27
- Flagstaff 36 mi · last frost June 4
- Payson 52 mi · last frost Apr 29
Updated