Coeur d'Alene, ID Frost Dates
The last spring frost in Coeur d'Alene usually comes around April 22 and the first fall frost around October 18.
| Spring (last) | Fall (first) | |
|---|---|---|
| Frost, 32°F | April 22 | October 18 |
| Hard freeze, 28°F | April 1 | November 1 |
Growing season: about 179 days.
Frequently asked questions
When is the last frost in Coeur d'Alene, ID?
The median date of the last spring frost (32°F) is April 22. In half of years the last frost comes earlier and in half it comes later, so waiting a week or two past April 22 lowers the risk for tender plants.
When is the first frost in Coeur d'Alene?
The median date of the first fall frost (32°F) is October 18, and a hard freeze (28°F) usually follows around November 1.
How long is the growing season in Coeur d'Alene?
About 179 days between the median last spring frost and first fall frost.
NOAA NCEI U.S. Climate Normals 1991-2020, station USC00101956. Median (50% probability) dates. Low spots and valleys can frost later in spring and earlier in fall than the station.