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SunnyDays

ERA5 almanac comparison — 8 years of real data

Coeur d'Alene vs Scottsdale: weather in March

Scottsdale is the clear winner for sun in March: 57% of days historically clear versus just 1% in Coeur d'Alene — a 56-point gap across 8 years of ERA5 data. Coeur d'Alene also sees measurably more rain than Scottsdale this month (37% vs 17% of days). This isn't close.

What you are reading: 8-year historical averages, not a forecast. Either destination can still surprise you this specific March. For the actual forecast right now, each destination links to its live page below.

Coeur d'Alene

ID

Clear days, March
1%
Sample size
n=248 days
Avg high
48°F
Early March (1st–15th)
0%
Late March (16th–end)
1%
Rain frequency
37% of days

Scottsdale

AZ

Clear days, March
57%
Sample size
n=248 days
Avg high
76°F
Early March (1st–15th)
48%
Late March (16th–end)
66%
Rain frequency
17% of days
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Frequently asked

Is Coeur d'Alene or Scottsdale warmer in March?

Scottsdale runs warmer by day in March. Coeur d'Alene averages highs of 48°F (highs n=248 days); Scottsdale averages highs of 76°F (highs n=248 days) (ERA5 2018–2025). Historical averages, not a forecast.

Does it rain more in Coeur d'Alene or Scottsdale in March?

Coeur d'Alene is measurably wetter than Scottsdale. Days with measurable rain: Coeur d'Alene 37%, Scottsdale 17% (n=248 and n=248 days). ERA5 2018–2025; historical, not a forecast.

Which is sunnier in March, Coeur d'Alene or Scottsdale?

Scottsdale is the clear winner for sun in March: 57% of days historically clear versus just 1% in Coeur d'Alene — a 56-point gap across 8 years of ERA5 data. Coeur d'Alene also sees measurably more rain than Scottsdale this month (37% vs 17% of days). This isn't close.

Compare Coeur d'Alene vs Scottsdale in another month

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 forecast for any destination is on its own page and may differ from the long-run average. Data from Open-Meteo.