August weather forecast
Cascade, MT

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Weather in August

August, the last month of the summer in Cascade, is another warm month, with temperature in the range of an average low of 56.7°F (13.7°C) and an average high of 81.1°F (27.3°C).

Temperature

The onset of August brings an average high-temperature of a still warm 81.1°F (27.3°C), nearly matching the July temperature. In August, the temperature sees a substantial plunge from daytime highs to a low average of 56.7°F (13.7°C).

Heat index

The heat index value during August is calculated to be 80.6°F (27°C). With constant exposure and activity, a state of weariness might ensue, leading to potential heat cramps.
Note that heat index values are valued for light wind and location in the shade. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'feels like', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. 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 extremely significant for babies and toddlers. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.

Humidity

August is the least humid month, with an average relative humidity of 41%.

Rainfall

In August, the rain falls for 8.8 days. Throughout August, 0.79" (20mm) of precipitation is accumulated. Throughout the year, there are 112.8 rainfall days, and 12.95" (329mm) of precipitation is accumulated.

Snowfall

In Cascade, snow does not fall in June through August.

Daylight

In Cascade, the average length of the day in August is 14h and 11min.
On the first day of the month, sunrise is at 6:06 am and sunset at 8:59 pm. On the last day of August, in Cascade, Montana, sunrise is at 6:45 am and sunset at 8:08 pm MDT.

Sunshine

The average sunshine in August in Cascade, Montana, is 11.4h.

UV index

In Cascade, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In August, the maximum UV index of 5 suggests this advice:
Guard yourself - Precautionary measures against sun damage are advocated. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
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Frequently asked questions

What is the temperature in August in Cascade?

Cascade in August has an average high-temperature of 81.1°F (27.3°C) and an average low-temperature of 56.7°F (13.7°C). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, is calculated to be 80.6°F (27°C).

What is the least humid month in Cascade?

With an average relative humidity of 41%, August is the least humid month in Cascade.

What is the average humidity in August in Cascade?

In August, the average relative humidity in Cascade, Montana, is 41%.

How many days does it rain in August in Cascade?

In Cascade, in August, during 8.8 rainfall days, 0.79" (20mm) of precipitation is typically accumulated.

When it does not snow in Cascade?

In Cascade, Montana, snow does not fall in June through August.

Does it snow in Cascade in August?

In Cascade, Montana, in August, it doesn't snow. In September, it regularly snows.

How many hours of daylight does Cascade have in August?

In August, the average day length in Cascade, Montana, is 14h and 11min.

When is the sunrise / sunset in August in Cascade?

On the first day of August in Cascade, Montana, sunrise is at 6:06 am and sunset at 8:59 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 8:08 pm MDT.

How many hours of sunshine does Cascade have in August?

The average sunshine duration in August in Cascade is 11.4h.

What is the UV index reading in August in Cascade?

In Cascade, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe 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
Cascade, MT

Average temperature in August - Cascade, MT
  • Average high temperature in August: 81.1°F

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is December (29.5°F).

  • Average low temperature in August: 56.7°F

The month with the highest average low temperature is August (56.7°F).
The coldest month (with the lowest average low temperature) is December (17.4°F).

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Average pressure in August
Cascade, MT

Average pressure in August - Cascade, MT
  • Average pressure in August: 29.92"Hg

The months with the highest atmospheric pressure are January and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

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Average wind speed in August
Cascade, MT

Average wind speed in August - Cascade, MT
  • Average wind speed in August: 7.3mph

The windiest months (with the highest average wind speed) are January and November (10.7mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).

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Average humidity in August
Cascade, MT

Average humidity in August - Cascade, MT
  • Average humidity in August: 41%

The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (41%).

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Average rainfall in August
Cascade, MT

Average rainfall in August - Cascade, MT
  • Average rainfall in August: 0.79"

The wettest month (with the highest rainfall) is June (2.05").
The driest months (with the least rainfall) are January and July (0.63").

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Average rainfall days in August
Cascade, MT

Average rainfall days in August - Cascade, MT
  • Average rainfall days in August: 8.8 days

The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is January (4.8 days).

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Average snowfall in August
Cascade, MT

Average snowfall in August - Cascade, MT
  • Average snowfall in August: 0"

The month with the highest snowfall is February (6.34").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in August
Cascade, MT

Average snowfall days in August - Cascade, MT
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (14.4 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
Cascade, MT

Average daylight in August / Average sunshine in August - Cascade, MT
  • Average daylight in August: 14h and 1min

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in August: 11h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).

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Average sunshine days in August
Cascade, MT

Average sunshine days in August - Cascade, MT
  • Average sunshine days in August: 18.2 days

The month with the most sunshine days is September (18.8 days).
The month with the least sunshine days is April (10.3 days).

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Average UV index in August
Cascade, MT

Average UV index in August - Cascade, MT
  • 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 January, February, March, October, November and December (UV index 2).

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Average cloud cover in August
Cascade, MT

Average cloud cover in August - Cascade, MT
  • Average cloud cover in August: 16

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 14).

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Average visibility in August
Cascade, MT

Average visibility in August - Cascade, MT
  • 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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Cascade, Montana, USA

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