August weather forecast
Bruneau, ID

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Weather in August

August, the last month of the summer in Bruneau, is also a hot month, with an average temperature fluctuating between 65.7°F (18.7°C) and 89.4°F (31.9°C).

Temperature

The average high-temperature in August, at a still hot 89.4°F (31.9°C), reveals a modest deviation from July's 91.2°F (32.9°C). Bruneau documents a substantial deviation from daytime highs with a consistent low-temperature of 65.7°F (18.7°C) during August nights.

Humidity

In August, the average relative humidity is 26%.

Rainfall

The month with the least rainfall is August, when the rain falls for 3.7 days and typically collects 0.2" (5mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In August, the average length of the day is 13h and 52min.
On the first day of August, sunrise is at 6:35 am and sunset at 9:03 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 8:18 pm MDT.

Sunshine

The average sunshine in August is 11.4h.

UV index

The average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index of 6 during August leads to these instructions:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Updated: Jul 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in August?

The high-temperature, in August, in Bruneau, records 89.4°F (31.9°C), while the low-temperature is 65.7°F (18.7°C).

What is the average humidity in August?

The average relative humidity in August is 26%.

What is the driest month?

The month with the least rainfall is August, when the rain falls for 3.7 days and typically collects 0.2" (5mm) of precipitation.

How much does it rain in August?

In Bruneau, during August, the rain falls for 3.7 days and regularly aggregates up to 0.2" (5mm) of precipitation.

When it does not snow?

May through September are months without snowfall.

What is the average length of the day in August?

The average day length in August is 13h and 52min.

When are sunrise and sunset in August?

On the first day of August, sunrise is at 6:35 am and sunset at 9:03 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 8:18 pm MDT.

How many hours of sunshine does Bruneau have in August?

In Bruneau, the average sunshine duration in August is 11.4h.

What is the UV index intensity in August?

In Bruneau, the average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health 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
Bruneau, ID

Average temperature in August - Bruneau, ID
  • Average high temperature in August: 89.4°F

The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is December (36.7°F).

  • Average low temperature in August: 65.7°F

The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is December (26.1°F).

Average pressure in August
Bruneau, ID

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

The month with the highest atmospheric pressure is January (30.26"Hg).
The months with the lowest atmospheric pressure are June and August (29.88"Hg).

Average wind speed in August
Bruneau, ID

Average wind speed in August - Bruneau, ID
  • Average wind speed in August: 6.6mph

The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest months (with the lowest average wind speed) are January and September (6.5mph).

Average humidity in August
Bruneau, ID

Average humidity in August - Bruneau, ID
  • Average humidity in August: 26%

The month with the highest relative humidity is January (75%).
The month with the lowest relative humidity is July (25%).

Average rainfall in August
Bruneau, ID

Average rainfall in August - Bruneau, ID
  • Average rainfall in August: 0.2"

The wettest month (with the highest rainfall) is December (1.06").
The driest month (with the least rainfall) is August (0.2").

Average rainfall days in August
Bruneau, ID

Average rainfall days in August - Bruneau, ID
  • Average rainfall days in August: 3.7 days

The month with the highest number of rainy days is March (14.3 days).
The months with the least rainy days are July and August (3.7 days).

Average snowfall in August
Bruneau, ID

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

The month with the highest snowfall is December (2.64").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Bruneau, ID

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

The month with the highest number of snowfall days is December (5.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Bruneau, 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 2min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 12min).

Average sunshine days in August
Bruneau, ID

Average sunshine days in August - Bruneau, ID
  • Average sunshine days in August: 22.1 days

The month with the most sunshine days is July (24 days).
The month with the least sunshine days is March (13.6 days).

Average UV index in August
Bruneau, ID

Average UV index in August - Bruneau, 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).

Average cloud cover in August
Bruneau, ID

Average cloud cover in August - Bruneau, ID
  • Average cloud cover in August: 8

The month with the most cloud cover is December (Cloud cover 35).
The months with the least cloud cover are July and August (Cloud cover 8).

Average visibility in August
Bruneau, ID

Average visibility in August - Bruneau, 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).

Bruneau, Idaho, USA

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