August weather forecast
Salmon, ID

Share
Bright yellow trees along the shores of the iconic Salmon River in Salmon, Idaho
Bright yellow trees along the shores of the iconic Salmon River in Salmon, Idaho

Weather in August

August exhibits an extension of summer heat with a slight hint of coming autumn towards the end of the month. Salmon in August is packed full of sunny days that beckon outdoor enthusiasts to the city's parks and trails. As July waves goodbye, August considers it a signal to withhold the high temperatures around 74.7°F (23.7°C). This dry and warm period figures as a consistent character every year, persisting even as the first whispers of autumn begin to permeate the air.

Temperature

August in Salmon welcomes an average high-temperature of a still warm 74.7°F (23.7°C), not much different from the preceding month. Salmon records a marked divergence from the day's high temperatures, with nights in August averaging at a chilly 47.5°F (8.6°C).

Humidity

August is the least humid month, with an average relative humidity of 43%.

Rainfall

July and August are months with the least rain when the rain falls for 7 days and typically aggregates up to 0.51" (13mm) of rain.

Snowfall

June through August are months without snowfall.

Daylight

In Salmon, Idaho, the average length of the day in August is 14h and 2min.
On the first day of August, sunrise is at 6:21 am and sunset at 9:02 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 8:14 pm MDT.

Sunshine

In Salmon, the average sunshine in August is 11.7h.

UV index

In Salmon, the average daily maximum UV index in August is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index of 4 during August translates into these guidelines:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average August temperature?

The high-temperature, in August, in Salmon, is 74.7°F (23.7°C), while the low-temperature averages to 47.5°F (8.6°C).

What is the least humid month?

August is the least humid month, with an average relative humidity of 43%.

What is the average humidity in August?

In August, the average relative humidity is 43%.

What is the driest month?

July and August are months with the least rain when the rain falls for 7 days and typically aggregates up to 0.51" (13mm) of rain.

How much does it rain in August?

In Salmon, in August, it is raining for 7 days, with typically 0.51" (13mm) of accumulated precipitation.

When it does not snow?

June through August are months without snowfall.

Does it snow in August?

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

How many hours of daylight does Salmon have in August?

The average day length in August is 14h and 2min.

When is the sunrise / sunset in August?

On the first day of August, sunrise is at 6:21 am and sunset at 9:02 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 8:14 pm MDT.

How long on average sun shines in August?

In August, the average sunshine duration is 11.7h.

How high is the UV index in August?

In Salmon, the average daily maximum UV index in August is 4. A UV Index reading of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
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
Salmon, ID

Average temperature in August - Salmon, ID
  • Average high temperature in August: 74.7°F

The warmest month (with the highest average high temperature) is July (75.7°F).
The month with the lowest average high temperature is December (25.2°F).

  • Average low temperature in August: 47.5°F

The month with the highest average low temperature is August (47.5°F).
The coldest months (with the lowest average low temperature) are January and December (9.5°F).

Average pressure in August
Salmon, ID

Average pressure in August - Salmon, ID
  • Average pressure in August: 29.97"Hg

The month with the highest atmospheric pressure is January (30.25"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in August
Salmon, ID

Average wind speed in August - Salmon, ID
  • Average wind speed in August: 4.3mph

The windiest months (with the highest average wind speed) are March and April (5.2mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity in August
Salmon, ID

Average humidity in August - Salmon, ID
  • Average humidity in August: 43%

The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is August (43%).

Average rainfall in August
Salmon, ID

Average rainfall in August - Salmon, ID
  • Average rainfall in August: 0.51"

The wettest month (with the highest rainfall) is June (2.05").
The driest months (with the least rainfall) are July and August (0.51").

Average rainfall days in August
Salmon, ID

Average rainfall days in August - Salmon, ID
  • Average rainfall days in August: 7 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (6.3 days).

Average snowfall in August
Salmon, ID

Average snowfall in August - Salmon, ID
  • Average snowfall in August: 0"

The month with the highest snowfall is February (5").
The months with the least snowfall are June, July and August (0").

Average snowfall days in August
Salmon, ID

Average snowfall days in August - Salmon, ID
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (12.3 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in August / Average sunshine in August - Salmon, ID
  • Average daylight in August: 14h and 0min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in August: 11h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

Average sunshine days in August
Salmon, ID

Average sunshine days in August - Salmon, ID
  • Average sunshine days in August: 18.7 days

The month with the most sunshine days is July (19.4 days).
The month with the least sunshine days is April (7.7 days).

Average UV index in August
Salmon, ID

Average UV index in August - Salmon, ID
  • Average UV index in August: 4

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).

Average cloud cover in August
Salmon, ID

Average cloud cover in August - Salmon, ID
  • Average cloud cover in August: 13

The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 13).

Average visibility in August
Salmon, ID

Average visibility in August - Salmon, ID
  • Average visibility in August: 6mi

The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).

Salmon, Idaho, USA

Weather forecast for your location

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