Last frost date in Klamath Falls, Oregon
June 9
Average last frost in spring. In an early year (1 in 10) it's over by May 22; in a late year (1 in 10) it comes after June 26.
September 18
Average first frost in fall. 1 year in 10 it comes by September 4.
Source: NOAA U.S. Climate Normals 1991–2020, station Klamath Falls International AP (USW00094236), 5.7 miles from Klamath Falls, elevation 4,084 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | May 22 | June 9 | June 26 |
| First frost in fall | Sept 4 | Sept 18 | Oct 1 |
Frost-free days in an average year: 99
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | — | — |
| Frost (32°F) | Every year | June 9 | Sept 18 |
| Hard freeze (28°F) | Every year | May 21 | Oct 2 |
Nights at 32°F or colder in an average year: 184
What to plant now in Klamath Falls
- Spring planting calendar for an average last frost around June 10 Klamath Falls: June 9
- Fall planting calendar for an average first frost around September 20 Klamath Falls: September 18
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
- Ashland 47 mi · last frost May 6
- Medford 55 mi · last frost Apr 8
- Grants Pass 81 mi · last frost Apr 8
- Roseburg 106 mi · last frost Mar 23
- Cottage Grove 127 mi · last frost Apr 24
Updated