August weather forecast
Swan Valley, ID

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Weather in August

The last month of the summer, August, is another warm month in Swan Valley, Idaho, with an average temperature ranging between max 76.5°F (24.7°C) and min 45.3°F (7.4°C).

Temperature

Swan Valley experiences an average high-temperature of a still warm 76.5°F (24.7°C) in August, marking an insignificant shift from 77.5°F (25.3°C) in July. In Swan Valley, the average temperature during the nights of August marks a significant drop from the daily high, settling at a frosty 45.3°F (7.4°C).

Humidity

With an average relative humidity of 46%, August is the least humid month in Swan Valley.

Rainfall

In Swan Valley, during August, the rain falls for 10.6 days and regularly aggregates up to 0.94" (24mm) of precipitation. Throughout the year, there are 127 rainfall days, and 24.29" (617mm) of precipitation is accumulated.

Snowfall

July and August are months without snowfall.

Daylight

In August, the average length of the day is 13h and 55min.
On the first day of August, sunrise is at 6:15 am and sunset at 8:47 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 8:01 pm MDT.

Sunshine

In August, the average sunshine in Swan Valley, Idaho, is 11.7h.

UV index

In August, the average daily maximum UV index in Swan Valley is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: During August, 4 as the daily maximum UV index converts into the following advice:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
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Frequently asked questions

What are the temperatures in Swan Valley in August?

Swan Valley in August has an average high-temperature of 76.5°F (24.7°C) and an average low-temperature of 45.3°F (7.4°C).

What is the least humid month in Swan Valley?

August is the least humid month in Swan Valley, Idaho, with an average relative humidity of 46%.

What is the average humidity in August in Swan Valley?

The average relative humidity in August in Swan Valley, Idaho, is 46%.

How many days does it rain in August in Swan Valley?

In Swan Valley, Idaho, in August, during 10.6 rainfall days, 0.94" (24mm) of precipitation is typically accumulated.

When it does not snow in Swan Valley?

July and August are months without snowfall.

Does it snow in Swan Valley in August?

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

What is the average length of the day in August in Swan Valley?

The average day length in August in Swan Valley is 13h and 55min.

When are sunrise and sunset in August in Swan Valley?

In August, on the first day of the month, sunrise is at 6:15 am and sunset at 8:47 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 8:01 pm MDT.

How many hours of sunshine does Swan Valley have in August?

In August, the average sunshine duration in Swan Valley is 11.7h.

What is the UV index reading in August in Swan Valley?

The average daily maximum UV index in August in Swan Valley is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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
Swan Valley, ID

Average temperature in August - Swan Valley, ID
  • Average high temperature in August: 76.5°F

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is December (24.3°F).

  • Average low temperature in August: 45.3°F

The months with the highest average low temperature are July and August (45.3°F).
The coldest month (with the lowest average low temperature) is January (7.3°F).

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Average pressure in August
Swan Valley, ID

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

The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in August
Swan Valley, ID

Average wind speed in August - Swan Valley, ID
  • Average wind speed in August: 5.4mph

The windiest month (with the highest average wind speed) is June (5.7mph).
The calmest month (with the lowest average wind speed) is January (4.3mph).

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Average humidity in August
Swan Valley, ID

Average humidity in August - Swan Valley, ID
  • Average humidity in August: 46%

The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is August (46%).

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Average rainfall in August
Swan Valley, ID

Average rainfall in August - Swan Valley, ID
  • Average rainfall in August: 0.94"

The wettest month (with the highest rainfall) is February (2.91").
The driest month (with the least rainfall) is July (0.91").

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Average rainfall days in August
Swan Valley, ID

Average rainfall days in August - Swan Valley, ID
  • Average rainfall days in August: 10.6 days

The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is January (4.6 days).

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Average snowfall in August
Swan Valley, ID

Average snowfall in August - Swan Valley, ID
  • Average snowfall in August: 0"

The month with the highest snowfall is February (22.91").
The months with the least snowfall are July and August (0").

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Average snowfall days in August
Swan Valley, ID

Average snowfall days in August - Swan Valley, ID
  • Average snowfall days in August: 0 days

The months with the highest number of snowfall days are February and December (22.3 days).
The months with the least snowfall days are July and August (0 days).

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Average daylight in August /
Average sunshine in August
Swan Valley, ID

Average daylight in August / Average sunshine in August - Swan Valley, ID
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in August: 11h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).

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Average sunshine days in August
Swan Valley, ID

Average sunshine days in August - Swan Valley, ID
  • Average sunshine days in August: 15.3 days

The month with the most sunshine days is September (16.2 days).
The month with the least sunshine days is April (5.3 days).

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Average UV index in August
Swan Valley, ID

Average UV index in August - Swan Valley, 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, March, November and December (UV index 1).

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Average cloud cover in August
Swan Valley, ID

Average cloud cover in August - Swan Valley, ID
  • Average cloud cover in August: 13

The month with the most cloud cover is February (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 13).

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Average visibility in August
Swan Valley, ID

Average visibility in August - Swan Valley, 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 and December (3mi).

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Swan Valley, Idaho, USA

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