August weather forecast
Darby, ID

Weather in August

The last month of the summer, August, is another warm month in Darby, Idaho, with an average temperature ranging between min 46.8°F (8.2°C) and max 74.1°F (23.4°C).

Temperature

In Darby, the average high-temperature in August is relatively the same as in July - a still moderately hot 74.1°F (23.4°C). In Darby, in August, the average low-temperature is 46.8°F (8.2°C).

Humidity

August is the least humid month in Darby, with an average relative humidity of 47%.

Rainfall

In Darby, Idaho, it is raining for 9.6 days, with typically 0.98" (25mm) of accumulated precipitation. Throughout the year, in Darby, there are 96.6 rainfall days, and 32.95" (837mm) of precipitation is accumulated.

Snowfall

January through June, August through December are months with snowfall in Darby, Idaho. August is the first month it typically snows. Throughout August, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow. In Darby, during the entire year, snow falls for 160.8 days and aggregates up to 200.16" (5084mm) of snow.

Daylight

In Darby, the average length of the day in August is 13h and 56min.
On the first day of August in Darby, sunrise is at 6:13 am and sunset at 8:47 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 8:01 pm MDT.

Sunshine

In Darby, the average sunshine in August is 11.6h.

UV index

The average daily maximum UV index in August in Darby is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: In August, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the least humid month in Darby?

The least humid month is August, with an average relative humidity of 47%.

What is the average humidity in August in Darby?

In Darby, Idaho, the average relative humidity in August is 47%.

How much does it rain in Darby in August?

In Darby, Idaho, in August, it is raining for 9.6 days, with typically 0.98" (25mm) of accumulated precipitation.

When does it start to snow in Darby?

August is the first month it typically snows in Darby. Throughout August, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow.

How many hours of daylight does Darby have in August?

The average day length in August in Darby, Idaho, is 13h and 56min.

When are sunrise and sunset in August in Darby?

In August, on the first day of the month, sunrise is at 6:13 am and sunset at 8:47 pm. On the last day of the month, in Darby, Idaho, sunrise is at 6:47 am and sunset at 8:01 pm MDT.

How long on average sun shines in August in Darby?

In Darby, Idaho, the average sunshine duration in August is 11.6h.

What is the UV index intensity in August in Darby?

In Darby, the average daily maximum UV index in August is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Darby, ID

Average temperature in August - Darby, ID
  • Average high temperature in August: 74.1°F

The warmest month (with the highest average high temperature) is July (75.4°F).
The month with the lowest average high temperature is December (23.2°F).

  • Average low temperature in August: 46.8°F

The month with the highest average low temperature is July (46.9°F).
The coldest month (with the lowest average low temperature) is December (7.7°F).

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Average pressure in August
Darby, ID

Average pressure in August - Darby, ID
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in August
Darby, ID

Average wind speed in August - Darby, ID
  • Average wind speed in August: 5.9mph

The windiest month (with the highest average wind speed) is June (6.2mph).
The calmest months (with the lowest average wind speed) are January and December (4.8mph).

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Average humidity in August
Darby, ID

Average humidity in August - Darby, ID
  • Average humidity in August: 47%

The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is August (47%).

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Average rainfall in August
Darby, ID

Average rainfall in August - Darby, ID
  • Average rainfall in August: 0.98"

The wettest month (with the highest rainfall) is February (4.13").
The driest month (with the least rainfall) is July (0.91").

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Average rainfall days in August
Darby, ID

Average rainfall days in August - Darby, ID
  • Average rainfall days in August: 9.6 days

The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is January (3 days).

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Average snowfall in August
Darby, ID

Average snowfall in August - Darby, ID
  • Average snowfall in August: 0.04"

The month with the highest snowfall is February (34.33").
The month with the least snowfall is July (0").

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Average snowfall days in August
Darby, ID

Average snowfall days in August - Darby, ID
  • Average snowfall days in August: 0.3 days

The month with the highest number of snowfall days is March (23.6 days).
The month with the least snowfall days is July (0.1 days).

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

Average daylight in August / Average sunshine in August - Darby, ID
  • Average daylight in August: 13h and 56min

The month with the longest days is June (Average daylight: 15h and 23min).
The month with the shortest days is December (Average daylight: 8h and 59min).

  • Average sunshine in August: 11h and 36min

The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).

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Average sunshine days in August
Darby, ID

Average sunshine days in August - Darby, ID
  • Average sunshine days in August: 18.1 days

The month with the most sunshine days is July (20.3 days).
The month with the least sunshine days is April (6.2 days).

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Average UV index in August
Darby, ID

Average UV index in August - Darby, 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, October, November and December (UV index 1).

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Average cloud cover in August
Darby, ID

Average cloud cover in August - Darby, ID
  • Average cloud cover in August: 14

The month with the most cloud cover is February (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 14).

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Average visibility in August
Darby, ID

Average visibility in August - Darby, 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 (3mi).

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