Climate and monthly weather forecastCoeur d'Alene, ID

Climate and monthly weather forecast
The climate of Coeur d'Alene
Coeur d'Alene, Idaho, bears the Köppen climate classification Csb. Such a distinction identifies the city with a Mediterranean predisposition, characterized by warm summers. Geographically perched in the northwestern United States, this location experiences a broad range of weather conditions across the year.Weather patterns in Coeur d'Alene vary considerably throughout the year, dependent upon its array of climatological parameters. Temperature highs can soar up to 82°F (27.8°C) in peak summer months, then plunge to a chilling low of 20.8°F (-6.2°C) during winter. Similarly, relative humidity undergoes considerable fluctuations. It reaches 93% in January and decreases to 50% in the hotter months of July and August. Rainfall patterns follow a unique order, observing the highest precipitation in January at 3.27" (83mm), later diminishing to a record low of 0.43" (11mm) in summer.
A fascinating observation is of the upward trajectory snowfall exhibits in Coeur d'Alene from November onward, peaking at 16.57" (421mm) in January, only to subsequently decrease until vanishing in June. Also of interest is the city's sunlight exposure trend; the longest daylight hours in a day (15.9 hours) are witnessed in June, adding a radiant charm to the summer period.
The best time to visit Coeur d'Alene
The optimal time to explore Coeur d'Alene would invariably be during its vibrant summer months. June to August offer the ideal conditions for outdoor enthusiasts. Between these months, temperatures float comfortably from 70.2°F (21.2°C) to 82°F (27.8°C), making it the perfect time to indulge in nature walks or relish the pristine beauty of Coeur d'Alene Lake. Additionally, these months record the least amount of rainfall, ensuring minimal disruption to travel plans.The worst time to visit Coeur d'Alene
While a winter escape may appeal to some, the colder months of December to February are generally discouraging for visitors. Bitter cold temperatures ranging from 20.8°F (-6.2°C) to 35.2°F (1.8°C), plus substantial snowfall levels (reaching 16.57" (421mm) in January), can lead to hazardous conditions and impede travel. Furthermore, the reduced visibility, often dropping to 3 miles, coupled with heavy cloud cover during these months, exacerbates the gloomy ambiance.Spring Weather in Coeur d'Alene
Spring in Coeur d'Alene paints a lively picture as the city comes out of the winter months. From March to May, the area sees temperatures grow from 43.2°F (6.2°C) to 64.8°F (18.2°C). With humidity levels decreasing from 85% to 67% and daylight hours extending from 11.9 hours to 15.2 hours, springtime paves the way for a more agreeable climate.Summer Weather in Coeur d'Alene
Summer in Coeur d'Alene is distinguished by warm, inviting conditions. June, July, and August experience the highest temperatures of the year, oscillating between 70.2°F (21.2°C) and 82°F (27.8°C). Accompanied by the least humidity, ranging from 50% to 66%, and maximized daylight hours, summer stands out as the most appealing season for many.Autumn Weather in Coeur d'Alene
Autumn signals the onset of cooler weather in Coeur d'Alene. September to November witness a noticeable drop in temperatures, descending from 72.1°F (22.3°C) to 40.5°F (4.7°C). As daylight hours wane, the city sees a gradual uptick in humidity and rainfall, transitioning into the wetter wintry months.Winter Weather in Coeur d'Alene
Winter in Coeur d'Alene ushers in a frigid climate enveloped in a snowy shroud. From December to February, temperatures dip as low as 20.8°F (-6.2°C). A sharp increase in snowfall, intensifying to 16.57" (421mm) in January, accompanied by a spike in humidity levels up to 93%, further accentuates the chill in the air. The shortened daylight hours and diminished visibility turn winter into a less conducive period for visitors.Weather in January
Coeur d'Alene, Idaho kicks off the year with substantial snowfall, seeing up to 16.57" (421mm) in January, painting the city in a blanket of frosty crystals. The month's weather remains relatively low in temperature, contributing to the charm of a winter wonderland. Weather in January »Weather in February
As February arrives, Coeur d'Alene residents experience a slight improvement in temperature, though winter conditions persist. The town sees a reduction in snowfall and precipitation than in January, signaling the start of the end of the winter season. Weather in February »Weather in March
The transition from winter to spring begins in March, with a noticeable increase in temperature and reduced snowfall to 6.69" (170mm). March ushers in warmer days in Coeur d'Alene, allowing for the melting of the lingering winter snow. Weather in March »Weather in April
April in Coeur d'Alene continues the warming trend with a further increase in temperature, making the city more vibrant. The city's landscapes shed their winter white and adopt colorful hues as plant life truly revives. April sees a further reduction in snowfall, down to just 1.61" (41mm), as spring takes hold. Weather in April »Weather in May
May in Coeur d'Alene, Idaho, is characterized by the slightest trace of snowfall, with a mere average of 0.08" (2mm). The month is enriched by the beauty of spring with everything in full bloom. The skies are clearer, the winds are calmer, and the city basks in an abundance of sunlight. Weather in May »Weather in June
June rings in the first month of summer in Coeur d'Alene, with no snowfall recorded throughout the month. The temperature escalates, making the days longer and warmer. With an increased average number of sunshine hours, June exhibits true signs of a summer season. Weather in June »Weather in July
July sees Coeur d'Alene reach its maximum average temperature with a high of 81.9°F (27.7°C). The city hits the peak of summer season midst a glorious display of sunshine. The city experiences the longest daylight hours, gracing everyone with an extended view of its breathtaking views. Weather in July »Weather in August
Coeur d'Alene, Idaho's weather continues to bask in the summer heat throughout August. The frazzling heat from July slightly cools as the town prepares for an eventual transition to autumn. This gradual change is evident in the marginally reduced daylight hours and temperature. Weather in August »Weather in September
September in Coeur d'Alene marks the beginning of the fall season with cooler temperatures. While the remnants of summer continue to influence the weather, a hint of autumn becomes more evident. Though the rainfall sees an increase up to 0.91" (23mm), the remaining summer warmth counteracts any chill. Weather in September »Weather in October
With the arrival of October, Coeur d'Alene, Idaho, plunges into authentic fall weather. The leafy cityscape adopts a colorful palette as the climate continues its cooling trend from the fall's arrival in September. The temperature drops further, and a crisp breeze pervades the air. Weather in October »Weather in November
November in Coeur d'Alene is characterized by a dramatic drop in temperature, preparing the city for the imminent winter. The brisk weather starts dominating the city's ambiance, creating shorter days and longer, chillier nights. Weather in November »Weather in December
The winter season fully engulfs Coeur d'Alene, Idaho, in December, with an average snowfall of 12.72" (323mm). The city transforms into a winter wonderland once again, under the dome of a frosty sky. The temperature drops further, creating a cool atmosphere laden with festive joy. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Coeur d'Alene, ID
The warmest month (with the highest average high temperature) is August (82°F).
The month with the lowest average high temperature is December (31.3°F).
The month with the highest average low temperature is August (51.6°F).
The coldest month (with the lowest average low temperature) is December (20.8°F).
Average pressure
Coeur d'Alene, ID
- Average pressure in January:
30.19"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.91"Hg - Average pressure in September:
29.97"Hg - Average pressure in October:
30.06"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.18"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed
Coeur d'Alene, ID
- Average wind speed in January:
4mph - Average wind speed in February:
4.4mph - Average wind speed in March:
4.8mph - Average wind speed in April:
5.1mph - Average wind speed in May:
4.7mph - Average wind speed in June:
4.6mph
- Average wind speed in July:
4.3mph - Average wind speed in August:
4.1mph - Average wind speed in September:
4.1mph - Average wind speed in October:
4.1mph - Average wind speed in November:
4.1mph - Average wind speed in December:
3.7mph
The windiest month (with the highest average wind speed) is April (5.1mph).
The calmest month (with the lowest average wind speed) is December (3.7mph).
Average humidity
Coeur d'Alene, ID
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (48%).
Average rainfall
Coeur d'Alene, ID
- Average rainfall in January:
3.27" - Average rainfall in February:
2.24" - Average rainfall in March:
2.68" - Average rainfall in April:
1.89" - Average rainfall in May:
1.97" - Average rainfall in June:
1.54"
- Average rainfall in July:
0.43" - Average rainfall in August:
0.43" - Average rainfall in September:
0.91" - Average rainfall in October:
2.01" - Average rainfall in November:
2.05" - Average rainfall in December:
2.8"
The wettest month (with the highest rainfall) is January (3.27").
The driest months (with the least rainfall) are July and August (0.43").
Average rainfall days
Coeur d'Alene, ID
- Average rainfall days in January:
11.5 days - Average rainfall days in February:
11.3 days - Average rainfall days in March:
17.5 days - Average rainfall days in April:
16.5 days - Average rainfall days in May:
13.3 days - Average rainfall days in June:
12.5 days
- Average rainfall days in July:
5.9 days - Average rainfall days in August:
5.4 days - Average rainfall days in September:
8.3 days - Average rainfall days in October:
13.3 days - Average rainfall days in November:
13.8 days - Average rainfall days in December:
10.4 days
The month with the highest number of rainy days is March (17.5 days).
The month with the least rainy days is August (5.4 days).
Average snowfall
Coeur d'Alene, ID
- Average snowfall in January:
16.57" - Average snowfall in February:
12.28" - Average snowfall in March:
6.69" - Average snowfall in April:
1.61" - Average snowfall in May:
0.08" - Average snowfall in June:
0"
The month with the highest snowfall is January (16.57").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Coeur d'Alene, ID
- Average snowfall days in January:
16.4 days - Average snowfall days in February:
14.4 days - Average snowfall days in March:
10.1 days - Average snowfall days in April:
3.6 days - Average snowfall days in May:
0.4 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.2 days - Average snowfall days in October:
1.4 days - Average snowfall days in November:
8.6 days - Average snowfall days in December:
16.5 days
The month with the highest number of snowfall days is December (16.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Coeur d'Alene, ID
- Average daylight in January:
8h and 54min - Average daylight in February:
10h and 18min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 42min - Average daylight in May:
15h and 12min - Average daylight in June:
15h and 54min
- Average daylight in July:
15h and 30min - Average daylight in August:
14h and 12min - Average daylight in September:
12h and 30min - Average daylight in October:
10h and 48min - Average daylight in November:
9h and 18min - Average daylight in December:
8h and 30min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in January:
3h and 30min - Average sunshine in February:
3h and 42min - Average sunshine in March:
5h and 12min - Average sunshine in April:
8h and 24min - Average sunshine in May:
9h and 48min - Average sunshine in June:
9h and 48min
- Average sunshine in July:
11h and 42min - Average sunshine in August:
11h and 54min - Average sunshine in September:
9h and 42min - Average sunshine in October:
6h and 0min - Average sunshine in November:
4h and 12min - Average sunshine in December:
3h and 18min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days
Coeur d'Alene, ID
- Average sunshine days in January:
11 days - Average sunshine days in February:
8.6 days - Average sunshine days in March:
9.1 days - Average sunshine days in April:
10.3 days - Average sunshine days in May:
16.2 days - Average sunshine days in June:
15.8 days
- Average sunshine days in July:
23.8 days - Average sunshine days in August:
22.8 days - Average sunshine days in September:
20.1 days - Average sunshine days in October:
16.3 days - Average sunshine days in November:
10.8 days - Average sunshine days in December:
10.2 days
The month with the most sunshine days is July (23.8 days).
The month with the least sunshine days is February (8.6 days).
Average UV index
Coeur d'Alene, ID
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are February, November and December (UV index 1).
Average cloud cover
Coeur d'Alene, ID
The months with the most cloud cover are January and December (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility
Coeur d'Alene, ID
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).





