August weather forecast and climate
Sand Coulee, MT

Weather in August

The last month of the summer, August, is also a moderately hot month in Sand Coulee, Montana, with temperature in the range of an average high of 81.5°F (27.5°C) and an average low of 58.5°F (14.7°C).

Temperature

In August, the average high-temperature is practically the same as in July - a still moderately hot 81.5°F (27.5°C). In August, the average low-temperature is 58.5°F (14.7°C).

Heat index

In August, the average heat index is appraised at 81°F (27.2°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'apparent temperature', 'real feel', or 'feels like', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Additional factors like wind, differences in body mass, height, and shape, pregnancy, and activity influence one's weather impression. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

With an average relative humidity of 40%, August is the least humid month in Sand Coulee, Montana.

Rainfall

In Sand Coulee, Montana, it is raining for 6.3 days, with typically 0.51" (13mm) of accumulated precipitation. Throughout the year, there are 85.3 rainfall days, and 9.84" (250mm) of precipitation is accumulated.

Snowfall

June through August are months without snowfall.

Daylight

The average length of the day in August is 14.2h.

Sunshine

In August, the average sunshine is 11.5h.

UV index

In August, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from the exposure to the Sun's UV radiation for ordinary individuals.
Note: In August, the average maximum UV index of 5 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in August in Sand Coulee?

In August, the average high-temperature is 81.5°F (27.5°C), and the average low-temperature is 58.5°F (14.7°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), that calculates temperature value influenced by the moisture in the air, is appraised at 81°F (27.2°C).

What is the least humid month in Sand Coulee?

The least humid month is August, with an average relative humidity of 40%.

What is the average humidity in August in Sand Coulee?

In August, the average relative humidity in Sand Coulee, Montana, is 40%.

How many days does it rain in August in Sand Coulee?

In Sand Coulee, in August, it is raining for 6.3 days, with typically 0.51" (13mm) of accumulated precipitation.

Does it snow in Sand Coulee in August?

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

When it does not snow in Sand Coulee?

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

What is the average length of the day in August in Sand Coulee?

The average length of the day in August is 14.2h.

How long on average sun shines in August in Sand Coulee?

The average sunshine in August in Sand Coulee is 11.5h.

How high is the UV index in August in Sand Coulee?

In Sand Coulee, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from unsafe exposure to the Sun's UV rays.

Average temperature in August
Sand Coulee, MT

Average temperature in August - Sand Coulee, MT
  • Average high temperature in August: 81.5°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (30°F).

  • Average low temperature in August: 58.5°F

The month with the highest average low temperature is August (58.5°F).
The coldest month (with the lowest average low temperature) is February (18.3°F).

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Average pressure in August
Sand Coulee, MT

Average pressure in August - Sand Coulee, MT
  • Average pressure in August: 29.91"

The month with the highest atmospheric pressure is January (30.14").
The month with the lowest atmospheric pressure is June (29.87").

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Average wind speed in August
Sand Coulee, MT

Average wind speed in August - Sand Coulee, MT
  • Average wind speed in August: 7.8mph

The windiest months (with the highest average wind speed) are January and November (11.4mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).

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Average humidity in August
Sand Coulee, MT

Average humidity in August - Sand Coulee, MT
  • Average humidity in August: 40%

The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is August (40%).

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Average rainfall in August
Sand Coulee, MT

Average rainfall in August - Sand Coulee, MT
  • Average rainfall in August: 0.51"

The wettest month (with the highest rainfall) is June (1.57").
The driest month (with the least rainfall) is July (0.47").

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Average rainfall days in August
Sand Coulee, MT

Average rainfall days in August - Sand Coulee, MT
  • Average rainfall days in August: 6.3 days

The month with the highest number of rainy days is May (11.7 days).
Months with the least rainy days are November and December (4 days).

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Average snowfall in August
Sand Coulee, MT

Average snowfall in August - Sand Coulee, MT
  • Average snowfall in August: 0"

The month with the highest snowfall is February (5.67").
Months with the least snowfall are June, July and August (0").

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Average snowfall days in August
Sand Coulee, MT

Average snowfall days in August - Sand Coulee, MT
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (12.9 days).
Months with the least snowfall days are July and August (0 days).

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Average daylight in August /
Average sunshine in August
Sand Coulee, MT

Average daylight in August / Average sunshine in August - Sand Coulee, MT
  • Average daylight in August: 14.2h

The month with the longest days is June (Average daylight: 15.9h).
The month with the shortest days is December (Average daylight: 8.5h).

  • Average sunshine in August: 11.5h

The month with the most sunshine is July (Average sunshine: 12.1h).
Months with the least sunshine are January, February and December (Average sunshine: 5.6).

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Average sunshine days in August
Sand Coulee, MT

Average sunshine days in August - Sand Coulee, MT
  • Average sunshine days in August: 23.9 days

The month with the most sunshine days is July (24.2 days).
The month with the least sunshine days is February (12.4 days).

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Average UV index in August
Sand Coulee, MT

Average UV index in August - Sand Coulee, MT
  • Average UV index in August: 5

The month with the highest UV index is July (UV index 6).
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
Sand Coulee, MT

Average cloud cover in August - Sand Coulee, MT
  • Average cloud cover in August: 16

The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 13).

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Average visibility in August
Sand Coulee, MT

Average visibility in August - Sand Coulee, MT
  • Average visibility in August: 6mi

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

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