Last frost date in Coeur d'Alene, Idaho
April 22
Average last frost in spring. In an early year (1 in 10) it's over by April 4; in a late year (1 in 10) it comes after May 6.
October 18
Average first frost in fall. 1 year in 10 it comes by October 4.
Source: NOAA U.S. Climate Normals 1991–2020, station Coeur D'alene (USC00101956), 1.4 miles from Coeur d'Alene, elevation 2,133 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
This station is also the nearest one for Hayden, Post Falls and Rathdrum, so their frost dates are the same as Coeur d'Alene's.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Apr 4 | Apr 22 | May 6 |
| First frost in fall | Oct 4 | Oct 18 | Nov 5 |
Frost-free days in an average year: 179
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 7 | Oct 6 |
| Frost (32°F) | Every year | Apr 22 | Oct 18 |
| Hard freeze (28°F) | Every year | Apr 1 | Nov 1 |
Nights at 32°F or colder in an average year: 120
What to plant now in Coeur d'Alene
- Spring planting calendar for an average last frost around April 20 Coeur d'Alene: April 22
- Fall planting calendar for an average first frost around October 20 Coeur d'Alene: October 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 Idaho
- Sandpoint 41 mi · last frost May 8
- Moscow 68 mi · last frost Apr 29
- Lewiston 91 mi · last frost Apr 6
- Eagle 272 mi · last frost Apr 30
- Garden City 280 mi · last frost May 17
Updated