August weather forecast
Twin Falls, ID

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The high water of the Shoshone Falls in Twin Falls, Idaho, falling over the high rock cliffs and flowing into a river below
The high water of the Shoshone Falls in Twin Falls, Idaho, falling over the high rock cliffs and flowing into a river below

Weather in August

In August, Twin Falls experiences a subtly milder version of July's sweltering weather. Compared to July, the temperature takes a slight dip, but August remains significantly hot with an 88°F (31.1°C) high. The scorching summer weather continues, but relief is in sight as the month concludes. The cicadas' chorus fills the air during the warm evenings, and locals start preparing for the impending arrival of the cooler autumn weather. Twin Falls, in all its sunny glory, presents a lively, bustling picture in August.

Temperature

The onset of August in Twin Falls manifests an average high-temperature of a still tropical 88°F (31.1°C), demonstrating a minor variation from the preceding month. Despite higher daytime temperatures, nighttime averages fall to an enjoyable 61.9°F (16.6°C) in August in Twin Falls.

Humidity

The average relative humidity in August in Twin Falls is 29%.

Rainfall

The months with the least rainfall are July and August Rain falls for 4.4 days and accumulates 0.24" (6mm) of rain.

Snowfall

In Twin Falls, snow does not fall in May through September.

Daylight

In Twin Falls, the average length of the day in August is 13h and 51min.
On the first day of the month, sunrise is at 6:30 am and sunset at 8:57 pm. On the last day of August, in Twin Falls, sunrise is at 7:02 am and sunset at 8:13 pm MDT.

Sunshine

The average sunshine in August is 11.6h.

UV index

In Twin Falls, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 6 in August interprets into the following advice:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
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Frequently asked questions

How hot is August in Twin Falls?

The high-temperature in Twin Falls during August is 88°F (31.1°C) and the low-temperature is 61.9°F (16.6°C).

What is the average humidity in August in Twin Falls?

In August, the average relative humidity is 29%.

What is the driest month in Twin Falls?

July and August are months with the least rain in Twin Falls when the rain falls for 4.4 days and typically aggregates up to 0.24" (6mm) of rain.

How many days does it rain in August in Twin Falls?

In Twin Falls, Idaho, during August, the rain falls for 4.4 days and regularly aggregates up to 0.24" (6mm) of precipitation.

When it does not snow in Twin Falls?

In Twin Falls, snow does not fall in May through September.

What is the average length of the day in August in Twin Falls?

In Twin Falls, the average day length in August is 13h and 51min.

When is the sunrise / sunset in August in Twin Falls?

In August, on the first day of the month, sunrise is at 6:30 am and sunset at 8:57 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 8:13 pm MDT.

How long on average sun shines in August in Twin Falls?

In August, the average sunshine duration in Twin Falls is 11.6h.

How high is the UV index in August in Twin Falls?

In August, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high 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
Twin Falls, ID

Average temperature in August - Twin Falls, ID
  • Average high temperature in August: 88°F

The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is December (34°F).

  • Average low temperature in August: 61.9°F

The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is December (23°F).

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Average pressure in August
Twin Falls, ID

Average pressure in August - Twin Falls, ID
  • Average pressure in August: 29.88"Hg

The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

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Average wind speed in August
Twin Falls, ID

Average wind speed in August - Twin Falls, ID
  • Average wind speed in August: 7.3mph

The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).

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Average humidity in August
Twin Falls, ID

Average humidity in August - Twin Falls, ID
  • Average humidity in August: 29%

The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is July (28%).

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Average rainfall in August
Twin Falls, ID

Average rainfall in August - Twin Falls, ID
  • Average rainfall in August: 0.24"

The wettest month (with the highest rainfall) is December (1.3").
The driest months (with the least rainfall) are July and August (0.24").

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Average rainfall days in August
Twin Falls, ID

Average rainfall days in August - Twin Falls, ID
  • Average rainfall days in August: 4.4 days

The month with the highest number of rainy days is March (12.1 days).
The month with the least rainy days is August (4.4 days).

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Average snowfall in August
Twin Falls, ID

Average snowfall in August - Twin Falls, ID
  • Average snowfall in August: 0"

The month with the highest snowfall is January (5.04").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Twin Falls, ID

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

The month with the highest number of snowfall days is December (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in August: 11h and 4min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).

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Average sunshine days in August
Twin Falls, ID

Average sunshine days in August - Twin Falls, ID
  • Average sunshine days in August: 23.3 days

The month with the most sunshine days is August (23.3 days).
The month with the least sunshine days is March (14.7 days).

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Average UV index in August
Twin Falls, ID

Average UV index in August - Twin Falls, ID
  • Average UV index in August: 6

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in August
Twin Falls, ID

Average cloud cover in August - Twin Falls, ID
  • Average cloud cover in August: 10

The month with the most cloud cover is December (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 10).

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Average visibility in August
Twin Falls, ID

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

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

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Twin Falls, Idaho, USA

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