Last frost date in Moses Lake, Washington
April 27
Average last frost in spring. In an early year (1 in 10) it's over by April 10; in a late year (1 in 10) it comes after May 11.
October 8
Average first frost in fall. 1 year in 10 it comes by September 29.
Source: NOAA U.S. Climate Normals 1991–2020, station Moses Lake Grant Co AP (USW00024110), 5.9 miles from Moses Lake, elevation 1,196 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 10 | Apr 27 | May 11 |
| First frost in fall | Sept 29 | Oct 8 | Oct 23 |
Frost-free days in an average year: 165
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 9 | Sept 29 |
| Frost (32°F) | Every year | Apr 27 | Oct 8 |
| Hard freeze (28°F) | Every year | Apr 10 | Oct 20 |
Nights at 32°F or colder in an average year: 129
What to plant now in Moses Lake
- Spring planting calendar for an average last frost around April 30 Moses Lake: April 27
- Fall planting calendar for an average first frost around October 10 Moses Lake: October 8
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 Washington
- Wenatchee 54 mi · last frost Apr 4
- Richland 58 mi · last frost Apr 6
- Pasco 60 mi · last frost Apr 27
- Ellensburg 61 mi · last frost May 8
- Kennewick 64 mi · last frost Mar 28
Updated