Skip to main content
SunnyDays

ERA5 almanac — 8 years of real data

Coeur d'Alene in April

Coeur d'Alene in April: 42% of days see measurable rain, 56°F average high, 2% of days historically clear (n=240, ERA5 2018–2025).

Coeur d'Alene in April is historically a poor month for sun: only 2% of days clear across 8 years (n=240, avg high 56°F). July is the clearest month for Coeur d'Alene historically. Historical average, not a forecast.

What you are reading: 8-year historical averages from the ERA5 reanalysis, not a forecast. A month that is historically 90% clear can still be overcast on your specific trip. For this week’s actual forecast, see the live Coeur d'Alene page. Both can be true at once: “historically strong in this month; this particular week is not.” We label which is which.

Early vs. Late April

Clear-sky percentage for Coeur d'Alene in April, split by half-month. “n” is the number of days sampled across 8 years (2018–2025).
Period % Clear days Sample (n) Avg high
Early April
1st–15th		 0% n=120 56°F
Late April
16th–end		 4% n=120 56°F
Full month average 2% n=240 56°F

Sunshine & warmth in April

A second measure using actual sunshine hours (ERA5 sunshine_duration), not the daily weather code. A Lowcountry day with 12 hours of sun and a 25-minute afternoon storm is counted below as a warm, sunny day — because it was. How we define this.

Sunshine-based metrics for Coeur d'Alene in April. Primary: % of days ≥ 72°F with > 6 h of sunshine.
Period Warm & sunny (≥72°F, >6 h sun) Sample (n)
Early April
1st–15th		 0% n=120
Late April
16th–end		 4% n=120
Full month average 2% n=240
11.2 h median sunshine per day 72% of days exceed 8 h sunshine 42% of days see ≥ 1 mm rain — rain is not hidden
Comparison (old vs new): WMO-code “clear” bar: 2%. Sunshine-based “warm & sunny”: 2%. The two measures are nearly identical here — no convective-storm bias for this climate and month.

Bottom line

Coeur d'Alene is historically almost never clear in April: only 2% of days meet the clear bar across 8 years (n=240). Come back in July if you want clear skies here. Plan entirely around indoor or overcast-friendly activities.

→ See all destinations in July — historically the best month for sun in Coeur d'Alene.

Every month in Coeur d'Alene

Compare across all months with data. Numbers are historical clear-sky %.

Historical clear-sky % for Coeur d'Alene, all months, ERA5 2018–2025.
Month % Clear Sample (n)
January 0% n=248 All destinations →
February 0% n=226 All destinations →
March 1% n=248 All destinations →
April ← this page 2% n=240 All destinations →
May 20% n=248 All destinations →
June 44% n=240 All destinations →
July 82% n=248 All destinations →
August 75% n=248 All destinations →
September 50% n=240 All destinations →
October 10% n=248 All destinations →
November 0% n=240 All destinations →
December 0% n=248 All destinations →

Frequently asked

Does it rain in Coeur d'Alene in April?

Sometimes. Coeur d'Alene sees measurable rain on 42% of days in April historically (n=240 days, ERA5 2018–2025) — not frequent enough to plan around, but not negligible either.

Is Coeur d'Alene good for sun in April?

Not usually. Coeur d'Alene is historically overcast in April: only 2% of days are clear (avg high 56°F, n=240 days, ERA5 2018–2025). July is historically far better for sun here.

All percentages are historical averages from the ERA5 reanalysis via Open-Meteo, 8 full years (2018–2025). “Clear” means avg high ≥ 72 °F, precipitation < 1 mm, and a non-precipitation weather code. This is history, not a forecast. The live 7-day outlook for any destination is on its own page and may differ from the long-run average. Data from Open-Meteo.