August weather forecast
Cottonwood, ID

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Weather in August

The last month of the summer, August, is another warm month in Cottonwood, Idaho, with an average temperature ranging between max 82°F (27.8°C) and min 54.7°F (12.6°C).

Temperature

The warmest period tends to be August, when average temperatures fluctuate between a high of 82°F (27.8°C) and a low of 54.7°F (12.6°C).

Heat index

The heat index for August is computed to be 82.4°F (28°C). Continuous exposure and activity could induce a sense of tiredness and subsequently, heat cramps.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', gives an indication of how one might feel in terms of heat after considering humidity. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are highly critical to babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.

Humidity

The least humid month is August, with an average relative humidity of 44%.

Rainfall

In Cottonwood, in August, during 6.9 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. Throughout the year, in Cottonwood, Idaho, there are 133.5 rainfall days, and 28.9" (734mm) of precipitation is accumulated.

Snowfall

In Cottonwood, snow does not fall in July and August.

Daylight

In August, the average length of the day is 14h and 5min.
On the first day of August in Cottonwood, sunrise is at 5:28 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 7:24 pm PDT.

Sunshine

With an average of 11.9h of sunshine, August has the most sunshine of the year in Cottonwood.

UV index

The average daily maximum UV index in August in Cottonwood is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In August, a daily maximum UV index of 5 leads to the following instructions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. To guard against the harmful effects of the Sun, minimize exposure during midday. During bright days, sunglasses that offer UVA and UVB defense are recommended.
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Frequently asked questions

What is the warmest month in Cottonwood?

August registers as the month with the average highest temperatures, reaching 82°F (27.8°C) at its peak and 54.7°F (12.6°C) at the lowest.

What are August temperatures in Cottonwood?

In Cottonwood, in August, the average high-temperature is 82°F (27.8°C), and the average low-temperature is 54.7°F (12.6°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, is computed to be 82.4°F (28°C).

What is the least humid month in Cottonwood?

August is the least humid month in Cottonwood, Idaho, with an average relative humidity of 44%.

What is the average humidity in August in Cottonwood?

In August, the average relative humidity is 44%.

How many days does it rain in August in Cottonwood?

In Cottonwood, in August, during 6.9 rainfall days, 0.71" (18mm) of precipitation is typically accumulated.

When it does not snow in Cottonwood?

July and August are months without snowfall.

Does it snow in Cottonwood in August?

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

How many hours of daylight does Cottonwood have in August?

In Cottonwood, Idaho, the average day length in August is 14h and 5min.

When is the sunrise / sunset in August in Cottonwood?

In August, on the first day of the month, sunrise is at 5:28 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 7:24 pm PDT.

What month has the most sunshine in Cottonwood?

August has the most sunshine of the year, with an average of 11.9h of sunshine.

How many hours of sunshine does Cottonwood have in August?

The average sunshine duration in August in Cottonwood is 11.9h.

How high is the UV index in August in Cottonwood?

In August, the average daily maximum UV index in Cottonwood, Idaho, is 5. A UV Index of 3 to 5 symbolizes a medium health risk 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
Cottonwood, ID

Average temperature in August - Cottonwood, ID
  • Average high temperature in August: 82°F

The warmest month (with the highest average high temperature) is August (82°F).
The month with the lowest average high temperature is December (32.5°F).

  • Average low temperature in August: 54.7°F

The month with the highest average low temperature is August (54.7°F).
The coldest month (with the lowest average low temperature) is December (20.7°F).

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Average pressure in August
Cottonwood, ID

Average pressure in August - Cottonwood, ID
  • Average pressure in August: 29.93"Hg

The month with the highest atmospheric pressure is January (30.21"Hg).
The months with the lowest atmospheric pressure are June and August (29.93"Hg).

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Average wind speed in August
Cottonwood, ID

Average wind speed in August - Cottonwood, ID
  • Average wind speed in August: 3.6mph

The windiest months (with the highest average wind speed) are January, February, March and November (4.8mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).

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Average humidity in August
Cottonwood, ID

Average humidity in August - Cottonwood, ID
  • Average humidity in August: 44%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (44%).

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Average rainfall in August
Cottonwood, ID

Average rainfall in August - Cottonwood, ID
  • Average rainfall in August: 0.71"

The wettest month (with the highest rainfall) is April (3.58").
The driest month (with the least rainfall) is July (0.63").

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Average rainfall days in August
Cottonwood, ID

Average rainfall days in August - Cottonwood, ID
  • Average rainfall days in August: 6.9 days

The month with the highest number of rainy days is April (17.8 days).
The month with the least rainy days is January (6 days).

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Average snowfall in August
Cottonwood, ID

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

The month with the highest snowfall is February (23.11").
The months with the least snowfall are July and August (0").

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Average snowfall days in August
Cottonwood, ID

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

The month with the highest number of snowfall days is December (19.9 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
Cottonwood, ID

Average daylight in August / Average sunshine in August - Cottonwood, ID
  • Average daylight in August: 14h and 1min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in August: 11h and 5min

The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).

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Average sunshine days in August
Cottonwood, ID

Average sunshine days in August - Cottonwood, ID
  • Average sunshine days in August: 21 days

The month with the most sunshine days is July (21.2 days).
The month with the least sunshine days is March (7.3 days).

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Average UV index in August
Cottonwood, ID

Average UV index in August - Cottonwood, ID
  • Average UV index in August: 5

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are February and December (UV index 1).

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Average cloud cover in August
Cottonwood, ID

Average cloud cover in August - Cottonwood, ID
  • Average cloud cover in August: 13

The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 13).

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Average visibility in August
Cottonwood, ID

Average visibility in August - Cottonwood, 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 (4mi).

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Cottonwood, Idaho, USA

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