August weather forecast
Salmon, ID

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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's onset brings an average high-temperature of a still warm 74.7°F (23.7°C), showing a minute difference from July's 75.7°F (24.3°C). Salmon reports a steady low-temperature average of 47.5°F (8.6°C) throughout August, revealing a large deviation from the daytime high.

Humidity

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

Rainfall

The months with the least rainfall in Salmon are July and August Rain falls for 7 days and accumulates 0.51" (13mm) of rain.

Snowfall

June through August are months without snowfall.

Daylight

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

Sunshine

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

UV index

In August, the average daily maximum UV index in Salmon, Idaho, is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: A maximum high daily UV index of 4 during August translates into the following directions:
Take necessary precautions - Suggestions to elude sunburn are provided. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
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Frequently asked questions

What is the usual temperature for Salmon in August?

During August, Salmon experiences an average high-temperature of 74.7°F (23.7°C) and a low-temperature of 47.5°F (8.6°C).

What is the least humid month in Salmon?

With an average relative humidity of 43%, August is the least humid month in Salmon.

What is the average humidity in August in Salmon?

In August, the average relative humidity in Salmon, Idaho, is 43%.

What is the driest month in Salmon?

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

How much does it rain in Salmon in August?

In Salmon, during August, the rain falls for 7 days and regularly aggregates up to 0.51" (13mm) of precipitation.

When it does not snow in Salmon?

June through August are months without snowfall in Salmon.

Does it snow in Salmon in August?

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

What is the average length of the day in August in Salmon?

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

When are sunrise and sunset in August in Salmon?

On the first day of August in Salmon, 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 Salmon?

The average sunshine duration in August in Salmon is 11.7h.

What is the UV index reading in August in Salmon?

The average daily maximum UV index in August in Salmon, Idaho, is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health 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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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Salmon, Idaho, USA

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