August weather forecast
Coeur d'Alene, ID

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Rocks, trees, and mountains on the shores of Lake Coeur d
Rocks, trees, and mountains on the shores of Lake Coeur d'Alene, in Idaho

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. Despite the changes, warmth persists throughout August, inviting locals and visitors to partake in several outdoor recreations. As the month proceeds, the summer frenzy in the city begins to subside, paving the way for the peaceful fall season.

Temperature

August, characterized by an average high temperature of 82°F (27.8°C) and a low temperature of 51.6°F (10.9°C), is generally the warmest month in Coeur d'Alene.

Heat index

The heat index for August is evaluated at 82.4°F (28°C). If exposure and ongoing activity persist, they might induce a state of tiredness and heat cramps.
Heat index readings emphasize conditions of light breezes and shaded spots. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', shows a temperature sensation when both heat and moisture conditions are combined. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely significant for children. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.

Humidity

With an average relative humidity of 48%, August is the least humid month.

Rainfall

The months with the least rainfall in Coeur d'Alene are July and August Rain falls for 5.4 days and accumulates 0.43" (11mm) of rain.

Snowfall

June through August are months without snowfall.

Daylight

In Coeur d'Alene, the average length of the day in August is 14h and 13min.
On the first day of the month, sunrise is at 5:25 am and sunset at 8:21 pm. On the last day of August, sunrise is at 6:05 am and sunset at 7:28 pm PDT.

Sunshine

The month with the most sunshine is August, with an average of 11.9h of sunshine.

UV index

In Coeur d'Alene, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 5 in August interprets into the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the warmest month in Coeur d'Alene?

In Coeur d'Alene, August is identified by the average highest temperatures, reaching a peak of 82°F (27.8°C) and a low of 51.6°F (10.9°C).

What is the temperature in August in Coeur d'Alene?

The high-temperature during August is 82°F (27.8°C) and the low-temperature is 51.6°F (10.9°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in August is evaluated at 82.4°F (28°C).

What is the least humid month in Coeur d'Alene?

August is the least humid month, with an average relative humidity of 48%.

What is the average humidity in August in Coeur d'Alene?

The average relative humidity in August is 48%.

What is the driest month in Coeur d'Alene?

July and August are months with the least rain when the rain falls for 5.4 days and typically aggregates up to 0.43" (11mm) of rain.

How much does it rain in Coeur d'Alene in August?

In Coeur d'Alene, Idaho, in August, it is raining for 5.4 days, with typically 0.43" (11mm) of accumulated precipitation.

When it does not snow in Coeur d'Alene?

In Coeur d'Alene, snow does not fall in June through August.

Does it snow in Coeur d'Alene in August?

In Coeur d'Alene, in August, it doesn't snow. In September, it regularly snows.

How many hours of daylight does Coeur d'Alene have in August?

In August, the average day length in Coeur d'Alene, Idaho, is 14h and 13min.

What time are sunrise and sunset in August in Coeur d'Alene?

In August, on the first day of the month, sunrise is at 5:25 am and sunset at 8:21 pm. On the last day of the month, in Coeur d'Alene, sunrise is at 6:05 am and sunset at 7:28 pm PDT.

What month has the most sunshine in Coeur d'Alene?

With an average of 11.9h of sunshine, August has the most sunshine of the year in Coeur d'Alene.

How long on average sun shines in August in Coeur d'Alene?

The average sunshine duration in August is 11.9h.

How high is the UV index in August in Coeur d'Alene?

In Coeur d'Alene, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
Average max. wind speed
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Coeur d'Alene, ID

Average temperature in August - Coeur d
  • Average high temperature in August: 82°F

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).

  • Average low temperature in August: 51.6°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 in August
Coeur d'Alene, ID

Average pressure in August - Coeur d
  • Average pressure in August: 29.91"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 in August
Coeur d'Alene, ID

Average wind speed in August - Coeur d
  • Average wind speed in August: 4.1mph

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 in August
Coeur d'Alene, ID

Average humidity in August - Coeur d
  • Average humidity in August: 48%

The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (48%).

Average rainfall in August
Coeur d'Alene, ID

Average rainfall in August - Coeur d
  • Average rainfall in August: 0.43"

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 in August
Coeur d'Alene, ID

Average rainfall days in August - Coeur d
  • Average rainfall days in August: 5.4 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 in August
Coeur d'Alene, ID

Average snowfall in August - Coeur d
  • Average snowfall in August: 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 in August
Coeur d'Alene, ID

Average snowfall days in August - Coeur d
  • Average snowfall days in August: 0 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 in August /
Average sunshine in August
Coeur d'Alene, ID

Average daylight in August / Average sunshine in August - Coeur d
  • Average daylight in August: 14h and 1min

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 August: 11h and 5min

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 in August
Coeur d'Alene, ID

Average sunshine days in August - Coeur d
  • Average sunshine days in August: 22.8 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 in August
Coeur d'Alene, ID

Average UV index in August - Coeur d
  • Average UV index in August: 5

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 in August
Coeur d'Alene, ID

Average cloud cover in August - Coeur d
  • Average cloud cover in August: 13

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 in August
Coeur d'Alene, ID

Average visibility in August - Coeur d
  • Average visibility in August: 6mi

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).

Coeur d'Alene, Idaho, USA

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