August weather forecast
Post Falls, ID

Share
Corbin Park on the banks of the Spokane River flowing downstream in Post Falls, Idaho, USA
Corbin Park on the banks of the Spokane River flowing downstream in Post Falls, Idaho, USA

Weather in August

In Post Falls, August maintains the warmth from July but with a minimal reduction in temperature. The city's landscapes continue to bask in glorious sunshine, with daylight hours decreasing slightly. August also signifies the end of the summer peak, with residents maximising on outdoor events before fall arrives. Despite a minimal increase in rainfall, August stays predominantly dry and sunny. By the end of August, a mild dip in temperature forebodes the upcoming autumn season.

Temperature

August, recognised by an average high temperature of 82°F (27.8°C) and a low of 51.8°F (11°C), is Post Falls's warmest month.

Heat index

The heat index value for August is estimated at 82.4°F (28°C). Prolonged exposure and physical activity might induce exhaustion, potentially causing heat cramps.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', determines the feeling of heat when you account for the relative humidity. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.

Humidity

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

Rainfall

The months with the least rainfall are July and August Rain falls for 5.6 days and accumulates 0.43" (11mm) of rain.

Snowfall

In Post Falls, snow does not fall in June through August.

Daylight

The average length of the day in August is 14h and 13min.
On the first day of August, sunrise is at 5:26 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 7:29 pm PDT.

Sunshine

August has the most sunshine of the year, with an average of 11.9h of sunshine.

UV index

In Post Falls, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: During August, 5 as the daily maximum UV index converts into the following advice:
Put precautions into practice - Protective measures against sun-induced damage are advised. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the hottest?

The warmest period tends to be August, when average temperatures fluctuate between a high of 82°F (27.8°C) and a low of 51.8°F (11°C).

What is the temperature in August in Post Falls?

August temperatures vary between a high-temperature of 82°F (27.8°C) and a low-temperature of 51.8°F (11°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in August is estimated at 82.4°F (28°C).

What is the least humid month in Post Falls?

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

What is the average humidity in August?

In Post Falls, the average relative humidity in August is 48%.

What is the driest month?

The months with the least rainfall are July and August Rain falls for 5.6 days and accumulates 0.43" (11mm) of rain.

How many days does it rain in August?

In Post Falls, in August, during 5.6 rainfall days, 0.43" (11mm) of precipitation is typically accumulated.

When it does not snow in Post Falls?

In Post Falls, Idaho, snow does not fall in June through August.

Does it snow in August?

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

How many hours of daylight does Post Falls have in August?

In August, the average day length is 14h and 13min.

When is the sunrise / sunset in August?

In August, on the first day of the month, sunrise is at 5:26 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 7:29 pm PDT.

What month has the most sunshine?

August has the most sunshine of the year, with an average of 11.9h of sunshine.

How long on average sun shines in August?

The average sunshine duration in August is 11.9h.

How high is the UV index in August?

In Post Falls, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.
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
Post Falls, ID

Average temperature in August - Post Falls, ID
  • 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: 51.8°F

The month with the highest average low temperature is August (51.8°F).
The coldest month (with the lowest average low temperature) is December (21.2°F).

Average pressure in August
Post Falls, ID

Average pressure in August - Post Falls, ID
  • 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
Post Falls, ID

Average wind speed in August - Post Falls, ID
  • Average wind speed in August: 4.1mph

The windiest month (with the highest average wind speed) is April (5mph).
The calmest month (with the lowest average wind speed) is December (3.9mph).

Average humidity in August
Post Falls, ID

Average humidity in August - Post Falls, ID
  • 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
Post Falls, ID

Average rainfall in August - Post Falls, ID
  • 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
Post Falls, ID

Average rainfall days in August - Post Falls, ID
  • Average rainfall days in August: 5.6 days

The month with the highest number of rainy days is March (17.5 days).
The month with the least rainy days is August (5.6 days).

Average snowfall in August
Post Falls, ID

Average snowfall in August - Post Falls, ID
  • 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
Post Falls, ID

Average snowfall days in August - Post Falls, ID
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is December (16.9 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in August /
Average sunshine in August
Post Falls, ID

Average daylight in August / Average sunshine in August - Post Falls, ID
  • 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 24min).

Average sunshine days in August
Post Falls, ID

Average sunshine days in August - Post Falls, ID
  • Average sunshine days in August: 22.7 days

The month with the most sunshine days is July (23.9 days).
The month with the least sunshine days is February (8.6 days).

Average UV index in August
Post Falls, ID

Average UV index in August - Post Falls, ID
  • 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
Post Falls, ID

Average cloud cover in August - Post Falls, ID
  • Average cloud cover in August: 13

The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 13).

Average visibility in August
Post Falls, ID

Average visibility in August - Post Falls, ID
  • Average visibility in August: 6mi

The months with the highest visibility are May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).

Post Falls, Idaho, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location