August weather forecastStanley, ID

A mirror image of the iconic Sawtooth Mountain Range located in Meadow Creek in Stanley, Idaho, in the famed Sawtooth National Recreation Area

August

Weather in August

August almost mirrors July, continuing the trend of warm, sunny days and a sparse rainfall of 0.63" (16mm) across 7.6 days. The weather remains favorable for a variety of outdoor activities that are native to Stanley's summer. A consistent rise in the UV index demands proper sun protection for any adventurers heading outdoors.

Temperature

The onset of August notes an average high-temperature of a still pleasant 71.4°F (21.9°C), subtly shifted from July's 72.7°F (22.6°C). A considerable shift from the daytime highs is observed during August nights, with an average low of 43.2°F (6.2°C).

Humidity

The average relative humidity in August is 45%.

Rainfall

July and August are months with the least rain when the rain falls for 7.6 days and typically aggregates up to 0.63" (16mm) of rain.

Snowfall

In Stanley, snow does not fall in July and August.

Daylight

In Stanley, the average length of the day in August is 13h and 58min.
On the first day of August, sunrise is at 6:28 am and sunset at 9:03 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 8:17 pm MDT.

Sunshine

In August, the average sunshine is 11.5h.

UV index

In Stanley, the average daily maximum UV index in August is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum UV index of 3 in August translates into the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.

Updated: Aug 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

August temperatures vary between a high-temperature of 71.4°F (21.9°C) and a low-temperature of 43.2°F (6.2°C).

In Stanley, the average relative humidity in August is 45%.

July and August are months with the least rain when the rain falls for 7.6 days and typically aggregates up to 0.63" (16mm) of rain.

In Stanley, in August, it is raining for 7.6 days, with typically 0.63" (16mm) of accumulated precipitation.

In Stanley, Idaho, snow does not fall in July and August.

In Stanley, in August, it doesn't snow. In September, it regularly snows.

The average day length in August is 13h and 58min.

In August, on the first day of the month, sunrise is at 6:28 am and sunset at 9:03 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 8:17 pm MDT.

The average sunshine duration in August is 11.5h.

In Stanley, the average daily maximum UV index in August is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J August S O N D

Jul

August

Sep

Average high temperature

72.7°F

71.4°F

62.1°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

7mph

6.6mph

5.5mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

18.9

18.2

Average UV index

Average cloud cover

Average visibility

Average temperature in August
Stanley, ID

Average high temperature in August: 71.4°F

The warmest month (with the highest average high temperature) is July (72.7°F).
The month with the lowest average high temperature is December (23.9°F).

Average low temperature in August: 43.2°F

The month with the highest average low temperature is July (43.3°F).
The coldest month (with the lowest average low temperature) is December (5.4°F).

Average pressure in August
Stanley, ID

Average pressure in August: 29.93"Hg

The month with the highest atmospheric pressure is January (30.26"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in August
Stanley, ID

Average wind speed in August: 5.3mph

The windiest month (with the highest average wind speed) is July (5.8mph).
The calmest months (with the lowest average wind speed) are January and October (4.8mph).

Average humidity in August
Stanley, ID

Average humidity in August: 45%

The months with the highest relative humidity are February and March (91%).
The month with the lowest relative humidity is July (44%).

Average rainfall in August
Stanley, ID

Average rainfall in August: 0.63"

The wettest month (with the highest rainfall) is March (2.17").
The driest months (with the least rainfall) are July and August (0.63").

Average rainfall days in August
Stanley, ID

Average rainfall days in August: 7.6 days

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is January (3.1 days).

Average snowfall in August
Stanley, ID

Average snowfall in August: 0"

The month with the highest snowfall is December (16.77").
The months with the least snowfall are July and August (0").

Average snowfall days in August
Stanley, ID

Average snowfall days in August: 0 days

The month with the highest number of snowfall days is March (21.6 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in August /
Average sunshine in August
Stanley, ID

Average daylight in August: 14h and 0min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

Average sunshine in August: 11h and 30min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The months with the least sunshine are January and December (Average sunshine: 4h and 24min).