August weather forecast
Sand Coulee, MT

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Weather in August

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

Temperature

With August's arrival, Sand Coulee notes an average high-temperature of a still moderately hot 81.5°F (27.5°C), closely following the trend of the preceding month. Despite a significant daily temperature range, Sand Coulee's temperature falls to a steady low-temperature average of 58.5°F (14.7°C) in August.

Heat index

For August, the heat index is calculated to be 80.6°F (27°C). If one persists in activity during exposure, it could induce weariness and subsequently, heat cramps.
Heat index's context suggests values are appropriate for shady areas and slight breezes. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'feels like', provides an understanding of perceived warmth by combining temperature and relative humidity. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.

Humidity

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

Rainfall

In Sand Coulee, Montana, in August, during 6.3 rainfall days, 0.51" (13mm) of precipitation is typically accumulated. In Sand Coulee, Montana, during the entire year, the rain falls for 85.3 days and collects up to 9.84" (250mm) of precipitation.

Snowfall

June through August are months without snowfall.

Daylight

The average length of the day in August in Sand Coulee is 14h and 11min.
On the first day of the month, sunrise is at 6:03 am and sunset at 8:57 pm. On the last day of August, sunrise is at 6:43 am and sunset at 8:06 pm MDT.

Sunshine

In Sand Coulee, the average sunshine in August is 11.5h.

UV index

In August, the average daily maximum UV index in Sand Coulee is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: In August, an average UV index of 5 transforms into the following instructions:
Exercise prevention - Warding off sunburn is urged. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
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Frequently asked questions

What is the usual temperature for Sand Coulee in August?

The high-temperature, in August, in Sand Coulee, is 81.5°F (27.5°C), while the low-temperature averages to 58.5°F (14.7°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is calculated to be 80.6°F (27°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 Sand Coulee, Montana, the average relative humidity in August is 40%.

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

In August, in Sand Coulee, Montana, the rain falls for 6.3 days. Throughout August, 0.51" (13mm) of precipitation is accumulated.

When it does not snow in Sand Coulee?

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

Does it snow in Sand Coulee in August?

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

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

In Sand Coulee, the average day length in August is 14h and 11min.

When are sunrise and sunset in August in Sand Coulee?

In August, on the first day of the month, sunrise is at 6:03 am and sunset at 8:57 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 8:06 pm MDT.

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

The average sunshine duration in August is 11.5h.

What is the UV index reading in August in Sand Coulee?

In August, the average daily maximum UV index in Sand Coulee, Montana, 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
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"Hg

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

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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).
The 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").
The 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).
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
Sand Coulee, MT

Average daylight in August / Average sunshine in August - Sand Coulee, 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 30min).

  • Average sunshine in August: 11h and 3min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 36min).

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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).
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
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

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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Sand Coulee, Montana, USA

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