Last frost date in Pendleton, Oregon
April 22
Average last frost in spring. In an early year (1 in 10) it's over by April 3; in a late year (1 in 10) it comes after May 8.
October 9
Average first frost in fall. 1 year in 10 it comes by September 27.
Source: NOAA U.S. Climate Normals 1991–2020, station Pendleton Dwtn (USC00356541), 1.2 miles from Pendleton, elevation 1,040 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Apr 3 | Apr 22 | May 8 |
| First frost in fall | Sept 27 | Oct 9 | Oct 26 |
Frost-free days in an average year: 170
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 7 | Sept 29 |
| Frost (32°F) | Every year | Apr 22 | Oct 9 |
| Hard freeze (28°F) | Every year | Mar 31 | Oct 24 |
Nights at 32°F or colder in an average year: 109
What to plant now in Pendleton
- Spring planting calendar for an average last frost around April 20 Pendleton: April 22
- Fall planting calendar for an average first frost around October 10 Pendleton: October 9
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 Oregon
- Hermiston 25 mi · last frost Apr 26
- La Grande 43 mi · last frost May 6
- Baker City 79 mi · last frost May 25
- The Dalles 113 mi · last frost Apr 11
- Prineville 138 mi · last frost June 1
Updated