Coeur d'Alene Climate by Month
Coeur d'Alene, Idaho, United States
Warm summers and cold winters, with rain spread through the year.
Coeur d'Alene has warm summers and cold winters, with rain spread through the year. August is the warmest month, with highs around 85°F (30°C); December is the coolest at 37°F (3°C), and nights dip to 25°F (-4°C). It gets 26 in (648 mm) of rain a year, spread across the months.
- Warmest month
- 85°F(30°C)
- Average high, August
- Coldest nights
- 25°F(-4°C)
- Average low, January
- Rain per year
- 26 in(648 mm)
- No clear rainy season
- Humidity
- 66%
- Sunniest: July
Best and worst months in Coeur d'Alene
Best for weatherThe most comfortable weather comes in June and September, with highs around 75°F (24°C) and about 1.4 in (36 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; December is the coldest, with highs of only 37°F (3°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in September.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Coeur d'Alene weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 37°F(3°C) | 25°F(-4°C) | 3.4 in(87 mm) | 84% | 1.1 |
| FebFebruary | 42°F(6°C) | 26°F(-3°C) | 2.3 in(58 mm) | 76% | 2.1 |
| MarMarch | 49°F(10°C) | 30°F(-1°C) | 2.2 in(56 mm) | 72% | 3.3 |
| AprApril | 58°F(14°C) | 35°F(2°C) | 2.0 in(50 mm) | 65% | 4.6 |
| MayMay | 68°F(20°C) | 42°F(6°C) | 2.1 in(53 mm) | 60% | 5.8 |
| JunJuneBest | 75°F(24°C) | 49°F(9°C) | 1.9 in(47 mm) | 58% | 6.2 |
| JulJuly | 85°F(29°C) | 53°F(12°C) | 0.7 in(18 mm) | 45% | 7.1 |
| AugAugust | 85°F(30°C) | 51°F(11°C) | 0.8 in(20 mm) | 46% | 6.1 |
| SepSeptemberBest | 74°F(24°C) | 44°F(7°C) | 1.0 in(25 mm) | 52% | 4.3 |
| OctOctober | 59°F(15°C) | 35°F(2°C) | 2.5 in(63 mm) | 73% | 2.4 |
| NovNovember | 44°F(7°C) | 30°F(-1°C) | 3.3 in(83 mm) | 80% | 1.2 |
| DecDecember | 37°F(3°C) | 26°F(-4°C) | 3.5 in(88 mm) | 85% | 0.9 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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