Your nature year
Coeur d'Alene, Idahothrough the year
Also for Post Falls, ID: the same nearby places.
When do frost, green-up and fall color come to Coeur d'Alene?
The USA-NPN spring index puts first leaf here around Apr 7 and first bloom around May 12. Spring takes about 5 weeks to go from leaf to bloom. At the nearest NOAA station, Coeur D'Alene, the average first fall frost is Oct 18 and the last spring frost Apr 22, which leaves Coeur d'Alene some 179 growing days. The closest place we follow is Turnbull Refuge, 42 miles away, for wildflowers, usually at its best May 11–20. For fall foliage, the nearest is Glacier (141 mi, Sep 11–Oct 20 (local timing)). Head southwest for the closest of the 3 places we follow around Coeur d'Alene.
Updated Sep 27. Sources: US Census Bureau, 2024 Gazetteer (places) ↗ (opens in a new tab), US Census Bureau, city and town population estimates, 2024 ↗ (opens in a new tab), NOAA NCEI U.S. Climate Normals 1991–2020 (annual/seasonal) ↗ (opens in a new tab)
Coeur d'Alene's year at a glance
- Frost possible
- Frost-free, ~Apr 22 to ~Oct 18
- First leaf ~Apr 7
- First bloom ~May 12
- Today
Near Coeur d'Alene right now
- First fall frost usually around Oct 18 · last spring frost around Apr 22NOAA 1991–2020 normals, Coeur D'Alene (1.4 mi, 50% dates)~3 weeks
- Glacier · 141 mi · Local timing: Sep 11–Oct 20Fall foliage · in its window now
- Wildflowers · Turnbull Refuge · 42 miusually May 11–20~7 months
Coeur d'Alene's nature year
- Spring green-upApr
- Last spring frostApr
- Wildflowers · Turnbull RefugeMay
- Fall foliage · GlacierNowSep–Oct
- First fall frostOct
Nearby, season by season
Fall foliage
- Glacier · 141 miLocal timing: Sep 11–Oct 20
Wildflowers
- Turnbull Refuge · 42 miusually May 11–20~7 months
- Glacier · 141 miLocal timing: Jun 15–Aug 15~9 months
- Hanford Reach · 143 miLocal timing: Apr 1–May 15~6 months
Frost and green-up
Last spring frost
Apr 22
Average (50% date)
First fall frost
Oct 18
About 179 days without frost between
Spring green-up
Apr 7
First bloom around May 12
Frost: NOAA 1991–2020 climate normals at Coeur D'Alene (1.4 mi from Coeur d'Alene), the day a 32 °F night is as likely as not. Green-up: the USA-NPN Spring Index, 1991–2020 average at the town.
Questions people ask
When is the first frost in Coeur d'Alene?
On average around Oct 18, and the last spring frost around Apr 22: about 179 days without frost between. These are NOAA's 1991–2020 normals at Coeur D'Alene, 1.4 miles away (the day a 32 °F night is as likely as not).
When does spring green-up reach Coeur d'Alene?
The USA-NPN Spring Index puts first leaf around Apr 7 and first bloom around May 12, on average for 1991–2020 at the town.
Where can I see fall foliage near Coeur d'Alene?
Glacier, 141 miles (local timing: Sep 11–Oct 20). Distances are straight-line.
Where can I see wildflowers near Coeur d'Alene?
Turnbull Refuge, 42 miles (usually May 11–20); Glacier, 141 miles (local timing: Jun 15–Aug 15); Hanford Reach, 143 miles (local timing: Apr 1–May 15). Distances are straight-line.
How we know
US Census Bureau, 2024 Gazetteer (places) (opens in a new tab) (Sep 27) · US Census Bureau, city and town population estimates, 2024 (opens in a new tab) (Sep 27) · NOAA NCEI U.S. Climate Normals 1991–2020 (annual/seasonal) (opens in a new tab) (Sep 27) · USA National Phenology Network, Spring Index 1991–2020 averages (opens in a new tab) (Sep 27)