Lake Coeur D Alene Water Temperature
25 miles long and 3 miles at its widest point, Lake Coeur d’Alene in Idaho is 2,128 feet above sea level and is fed by the Saint Joe and fCoeur d’Alene Rivers with the Spokane River functioning as its outflow.
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A beautiful destination for anglers and sailors, the glacier reservoir lake is also a favorite for water sports fans and is 220 feet deep. The lakefront city of Coeur d’Alene has much to offer and has been described as ‘a little slice of heaven’ and is easy to reach via Spokane in Washington, just 30 miles away.
The coldest month is February with an average water temperature of 32.2°F / 0.1°C.
February is the driest at 0in / 0mm and December the wettest month with 2.9in / 72.7mm.
With an average air temperature of 71.1°F / 21.7°C, July is the warmest month in a year. January is the coldest with 28.8°F / -1.8°C average air temperature.
The Climate is described as temperate climate with warm and dry summer. Best time to Visit would be in June, July, August, September.
Lake Coeur D Alene Summary
| Description | Value |
|---|---|
| Warmest Month Water Temperature: | August with 70.3°F / 21.3°C |
| Coldest Month Water Temperature: | February with 32.2°F / 0.1°C |
| Warmest Month Air Temperature: | July with 71.1°F / 21.7°C |
| Coldest Month Air Temperature: | January with 28.8°F / -1.8°C |
| Wettest Month: | December with 2.9in / 72.7mm |
| Driest Month: | February with 0in / 0mm |
| Highest Humidity | January with 85.3% |
| Lowest Humidity | July with 41% |
| Best Time to Visit: | June, July, August, September |
| Climate Classification | temperate climate with warm and dry summer |
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Lake Coeur D Alene water temperature by month
Lake Coeur D Alene water temperature by month
| Max. Water
Temperature (°F) |
ø. Water
Temperature (°F) |
Min. Water
Temperature (°F) |
|
|---|---|---|---|
|
January |
33.1 | 32.4 | 32 |
|
February |
32.4 | 32.2 | 32 |
|
March |
35.4 | 33.3 | 32.2 |
|
April |
41.2 | 38.3 | 35.6 |
|
May |
52.2 | 46.2 | 41.4 |
|
June |
64.9 | 57 | 51.8 |
|
July |
72.3 | 66.2 | 61 |
|
August |
73.6 | 67.8 | 62.8 |
|
September |
66 | 60.6 | 55.9 |
|
October |
57.2 | 51.4 | 46.8 |
|
November |
46.6 | 43.2 | 40.1 |
|
December |
39.7 | 36.1 | 33.3 |
Lake Coeur D Alene water temperature by month
| Max. Water
Temperature (°C) |
ø. Water
Temperature (°C) |
Min. Water
Temperature (°C) |
|
|---|---|---|---|
|
January |
0.6 | 0.2 | -0 |
|
February |
0.2 | 0.1 | 0 |
|
March |
1.9 | 0.7 | 0.1 |
|
April |
5.1 | 3.5 | 2 |
|
May |
11.2 | 7.9 | 5.2 |
|
June |
18.3 | 13.9 | 11 |
|
July |
22.4 | 19 | 16.1 |
|
August |
23.1 | 19.9 | 17.1 |
|
September |
18.9 | 15.9 | 13.3 |
|
October |
14 | 10.8 | 8.2 |
|
November |
8.1 | 6.2 | 4.5 |
|
December |
4.3 | 2.3 | 0.7 |
The warmest water temperature are in August with around 70.3°F / 21.3°C. The coldest in February with an average water temperature of 32.2°F / 0.1°C.
The average water temperature of Lake Coeur d’Alene from May to September is 68F. The May temperature is normally around 64F and the water hits its peak temperature of 74.7F approximately in July to August.
On the last Sunday in June the annual Iron Man marathon hits Lake Coeur d’Alene at 7.00 a.m. precisely, and you can watch as competitors swim two loops of the lake, totalling 2.4 miles as part of the gruelling course. Try a more sedate swim in Lake Coeur d’Alene, or hire a kayak to explore the rugged shore where gorgeous beaches nestle amid a magnificent backdrop of blue skies and mountain pines.
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Lake Coeur D Alene weather today & 14-day weather forecast
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Lake Coeur D Alene weather by month / climate table
Max. Temperature °F | ø. Temperature °F | Min. Temperature (°F) |
Precip. (in) |
Rainy Days (d) |
Rel. Humidity (%) |
|
|---|---|---|---|---|---|---|
|
January |
36.9 | 28.8 | 20.3 | 0.7 | 3 | 85.3% |
|
February |
40.1 | 29.8 | 21 | 0 | 1 | 79.4% |
|
March |
50.7 | 35.8 | 23.5 | 1.2 | 5 | 75.5% |
|
April |
60.6 | 43.9 | 29.8 | 0.5 | 3 | 65.4% |
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May |
68.7 | 53.4 | 36 | 0.3 | 0 | 57.6% |
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June |
80.4 | 60.6 | 46.6 | 0 | 0 | 53.7% |
|
July |
87.1 | 71.1 | 55 | 0 | 0 | 41% |
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August |
87.4 | 70.7 | 55 | 0 | 0 | 41.3% |
|
September |
77.5 | 60.6 | 46.2 | 0 | 0 | 51.1% |
|
October |
66.4 | 47.8 | 34.2 | 0 | 0 | 67.9% |
|
November |
49.1 | 36.7 | 27.1 | 0 | 4 | 80.9% |
|
December |
36.7 | 29.1 | 21.6 | 2.9 | 7 | 84.6% |
Max. Temperature °C | ø. Temperature °C | Min. Temperature (°C) |
Precip. (mm) |
Rainy Days (d) |
Rel. Humidity (%) |
|
|---|---|---|---|---|---|---|
|
January |
2.7 | -1.8 | -6.5 | 17.5 | 3 | 85.3% |
|
February |
4.5 | -1.2 | -6.1 | 0 | 1 | 79.4% |
|
March |
10.4 | 2.1 | -4.7 | 29.6 | 5 | 75.5% |
|
April |
15.9 | 6.6 | -1.2 | 13.9 | 3 | 65.4% |
|
May |
20.4 | 11.9 | 2.2 | 7.2 | 0 | 57.6% |
|
June |
26.9 | 15.9 | 8.1 | 0 | 0 | 53.7% |
|
July |
30.6 | 21.7 | 12.8 | 0 | 0 | 41% |
|
August |
30.8 | 21.5 | 12.8 | 0 | 0 | 41.3% |
|
September |
25.3 | 15.9 | 7.9 | 0 | 0 | 51.1% |
|
October |
19.1 | 8.8 | 1.2 | 0 | 0 | 67.9% |
|
November |
9.5 | 2.6 | -2.7 | 0 | 4 | 80.9% |
|
December |
2.6 | -1.6 | -5.8 | 72.7 | 7 | 84.6% |
Best Time to Visit Lake Coeur D Alene
The summer season is perfect for water sports and sailing and there are several marinas on the lake. Waters are warm enough for swimming from May till September, and air temperatures range from highs of 68 to 86F and lows of 42 to 56F during this period, though on average you can expect warm, sunny days with air temperatures of around 81.5F in August. Rainfall is low during summer, approximately 0.5 to 1.6 inches per month.
Visit Lake Couer d’Alene in winter to see the largest floating laser and light show in America. From Thanksgiving weekend on, you can take a cruise along the shoreline of the Coeur d’Alene Resort to see animated light displays and more, wrap up warm as temperatures are around 44F in November to 34.6F in December.
Activities around Lake Coeur D Alene
Diving is also popular in Lake Couer d’Alene and there are a number of Model T Ford automobiles which are popular dive sites, relics from the early 1900’s when the lake used to freeze over in winter and people took ill advised shortcuts over the ice.
Activities & POI in Lake Coeur D Alene
| Type of Activity | List |
|---|---|
| Beach | Silver Beach, Sanders Beach, North Idaho Beach |
| Attraction | Higgens Point |
| Golf Course | Coeur d'Alene Golf Club |
| Caravan Site | Blackwell Island RV Park |
Picture Copyright Flick CC BY 2.0: functoruser