Coeur d'Alene weather in August

In August, Coeur d'Alene sees average daytime highs of 82°F and overnight lows near 55°F, with 0.7 in of rain across 3 wet days and about 14.1 hours of daylight. It is the 2nd-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 84°F in the first days to 78°F by the end. The sky is clear or mostly clear about 63% of the time in August, and the air most often feels dry.

Daylight stretches from about 14 h 48 min at the start of August to 13 h 18 min by month's end. Set against the rest of the year, August is Coeur d'Alene's 2nd-clearest and 9th-windiest month. For the whole year in context, see Coeur d'Alene's year-round climate.

Daytime high
82°
2nd warmest
Overnight low
55°
11th coldest
Rainfall
0.7 in
3 wet days
Daylight
14 h 06 min
4:48 AM – 6:54 PM
Cloud cover
33%
2nd clearest
Wind
5 mph
9th windiest
Solar energy
6.4 kWh/m²
Travel score
7.6
out of 10

Coeur d'Alene is city in and county seat of Kootenai County, Idaho, United States.

Density
1,180/km²
people per km²
Founded
1878

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 84°F in the first days to 78°F by the end.

A typical August day in Coeur d'Alene reaches about 82°F in the afternoon and slips back to 55°F overnight — a 26°F spread between the day's warmth and the night's chill. On most days the high lands between 70°F and 92°F. Set against its neighbours, August runs on par with July and about 10°F warmer than September.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
18557
28557
38457
48457
58457
68457
78457
88457
98457
108357
118357
128356
138356
148356
158256
168256
178256
188255
198155
208155
218055
228055
238054
248054
257954
267954
277853
287853
297853
307853
317752

How August really feels in Coeur d'Alene

Once humidity and wind are folded in, August averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

August sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Coeur d'Alene weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan34° / 24°4.11511.48.70.0
Feb38° / 25°2.912.18.89.90.0
Mar46° / 30°3.514.76.911.61.1
Apr55° / 36°2.912.92.313.33.2
May65° / 44°2.59.90.214.95.8
Jun71° / 49°1.87.8015.76.9
Jul82° / 56°0.73.5015.47.5
Aug82° / 55°0.73014.17.6
Sep71° / 48°1.25.20.112.47.6
Oct56° / 39°2.89.90.810.63.9
Nov42° / 31°4.314.979.10.4
Dec34° / 25°4.214.411.88.30.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 63% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 16% of August, with mostly cloudy or overcast conditions the remaining 21%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18416
28416
38416
48317
58317
68218
78218
88119
98119
108119
118119
128119
137921
147921
157921
167921
177822
187822
197822
207822
217723
227723
237723
247723
257723
267624
277624
287624
297525
307525
317525

Chance of precipitation in August

Any precipitation

Coeur d'Alene gets around 0.7 in of rain over 3 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 10% and peaks near 11% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
18
28
38
48
58
68
79
89
99
109
119
129
139
149
159
169
1710
1810
1910
2010
2110
2210
2310
2411
2511
2611
2711
2811
2911
3011
3111

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the dry band about 95% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19361
29361
39361
49361
59361
69460
79460
89460
99460
109460
119460
129460
139550
149550
159550
169550
179550
189550
199640
209640
219640
229640
239640
249730
259730
269730
279730
289730
299730
309730
319730

Wind in August

Winds average 5 mph in August.

Across August, daily wind ranges from about 5 mph on the calmest days to 5 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 48 min at the start of August to 13 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 90 minutes over August. Sunrise moves from 4:28 AM to 5:09 AM, and sunset from 7:18 PM to 6:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.84:287:18
214.84:307:17
314.74:317:15
414.74:327:14
514.64:347:12
614.64:357:11
714.54:367:09
814.54:387:08
914.54:397:06
1014.44:407:04
1114.44:427:03
1214.34:437:01
1314.34:446:59
1414.24:466:58
1514.14:476:56
1614.14:486:54
1714.04:506:52
1814.04:516:50
1913.94:526:49
2013.94:546:47
2113.84:556:45
2213.84:576:43
2313.74:586:41
2413.74:596:39
2513.65:016:37
2613.65:026:35
2713.55:046:33
2813.45:056:31
2913.45:066:29
3013.35:086:27
3113.35:096:25

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.4 kWh/m².

For context, solar energy here swings from a low near 1 kWh/m² to a high of 7.47 kWh/m² in July across the year — August's 6.4 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.1Intense
27.1Intense
37.0Intense
47.0Intense
57.0Intense
66.9Intense
76.9Intense
86.8Intense
96.8Intense
106.7Intense
116.7Intense
126.6Intense
136.6Intense
146.5Intense
156.5Intense
166.4Intense
176.4Intense
186.3Intense
196.3Intense
206.2Intense
216.2Intense
226.1Intense
236.0Intense
246.0Bright
255.9Bright
265.9Bright
275.8Bright
285.8Bright
295.7Bright
305.6Bright
315.6Bright
Planning a trip in August

Is August a good time to visit Coeur d'Alene?

Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

7.6
Sightseeing
1st-best month of the year
8.2
Beach & pool
1st-best month of the year

August is one of the better times to visit Coeur d'Alene for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Coeur d'Alene in August

From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In August, Coeur d'Alene sees daytime highs around 82°F and nights near 55°F. Pack light clothes and sun protection. About 3 days see rain.

light clothessun protection

UV index in Coeur d'Alene in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Coeur d'Alene peaks around July 17 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 17UV 8Dec 15UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5Moderate
May7High
Jun6High
Jul9Very high
Aug6High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Coeur d'Alene in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Coeur d'Alene is worst in August — around 30 µg/m³ PM2.5 (moderate), about 4.9× the cleanest month (December, 6 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 1828 µg/m³Dec 216 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb8Good
Mar10Good
Apr11Good
May11Good
Jun10Good
Jul13Moderate
Aug30Moderate
Sep20Moderate
Oct11Good
Nov11Good
Dec6Good
Location & terrain

Where is Coeur d'Alene?

Coeur d'Alene sits at 47.7°N, 116.8°W, 2,188 ft above sea level, in United States. The nearest listed city is Post Falls, 8.7 mi away.

Topography around Coeur d'Alene

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Coeur d'Alene.

Within 2 miles, the terrain around Coeur d'Alene has significant variations in elevation — a maximum elevation change of 843 ft around an average of 2,211 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,822 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 5,295 ft.

The land around Coeur d'Alene is covered by trees (33%), water (33%) and artificial surfaces (26%) within 2 miles, trees (65%) within 10 miles, and trees (67%) within 50 miles.

2 miles
843 ft
10 miles
2,822 ft
50 miles
5,295 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Post Falls 8.7 mi · Spokane Valley 21 mi · Opportunity 22 mi · Spokane 30 mi · Moscow 66 mi · Pullman 68 mi · Lewiston 88 mi · Lewiston Orchards 90 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Coeur d'Alene (47.6777°, -116.7805°, elevation 2,188 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).