August weather forecast
Big Sandy, MT

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Weather in August

The last month of the summer, August, is also a moderately hot month in Big Sandy, Montana, with an average temperature varying between 82.6°F (28.1°C) and 61.3°F (16.3°C).

Temperature

Big Sandy records an average high-temperature of a still warm 82.6°F (28.1°C) in August, maintaining a close correlation with July's 83.8°F (28.8°C). August nights experience a consistent temperature drop to a comfortable 61.3°F (16.3°C).

Humidity

August is the least humid month in Big Sandy, with an average relative humidity of 38%.

Rainfall

In Big Sandy, in August, it is raining for 6.8 days, with typically 0.47" (12mm) of accumulated precipitation. Throughout the year, there are 91 rainfall days, and 6.42" (163mm) of precipitation is accumulated.

Snowfall

In Big Sandy, snow does not fall in June through August.

Daylight

In August, the average length of the day is 14h and 15min.
On the first day of August in Big Sandy, sunrise is at 5:57 am and sunset at 8:56 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 8:02 pm MDT.

Sunshine

In Big Sandy, Montana, the average sunshine in August is 11.5h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: A typical high UV index of 6 in August suggests the following recommendations:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
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Frequently asked questions

How hot is August in Big Sandy?

The average high-temperature, in August, in Big Sandy, is 82.6°F (28.1°C), while the average low-temperature is 61.3°F (16.3°C). In July, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, is appraised at 84.2°F (29°C).

What is the least humid month in Big Sandy?

August is the least humid month in Big Sandy, with an average relative humidity of 38%.

What is the average humidity in August in Big Sandy?

In Big Sandy, the average relative humidity in August is 38%.

How much does it rain in Big Sandy in August?

In Big Sandy, Montana, in August, it is raining for 6.8 days, with typically 0.47" (12mm) of accumulated precipitation.

When it does not snow in Big Sandy?

June through August are months without snowfall in Big Sandy.

Does it snow in Big Sandy in August?

In Big Sandy, in August, it doesn't snow. In September, it regularly snows.

What is the average length of the day in August in Big Sandy?

The average day length in August in Big Sandy is 14h and 15min.

When is the sunrise / sunset in August in Big Sandy?

In August, on the first day of the month, sunrise is at 5:57 am and sunset at 8:56 pm. On the last day of the month, in Big Sandy, Montana, sunrise is at 6:38 am and sunset at 8:02 pm MDT.

How long on average sun shines in August in Big Sandy?

In Big Sandy, Montana, the average sunshine duration in August is 11.5h.

What is the month with the highest UV index in Big Sandy?

The months with the highest UV index are June through August, with an average maximum UV index of 6.

How high is the UV index in August in Big Sandy?

In Big Sandy, the average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high 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
Big Sandy, MT

Average temperature in August - Big Sandy, MT
  • Average high temperature in August: 82.6°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is December (30.2°F).

  • Average low temperature in August: 61.3°F

The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is February (17.8°F).

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Average pressure in August
Big Sandy, MT

Average pressure in August - Big Sandy, MT
  • Average pressure in August: 29.9"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in August
Big Sandy, MT

Average wind speed in August - Big Sandy, MT
  • Average wind speed in August: 8.5mph

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).

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Average humidity in August
Big Sandy, MT

Average humidity in August - Big Sandy, MT
  • Average humidity in August: 38%

The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (38%).

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Average rainfall in August
Big Sandy, MT

Average rainfall in August - Big Sandy, MT
  • Average rainfall in August: 0.47"

The wettest month (with the highest rainfall) is June (1.22").
The driest month (with the least rainfall) is December (0.28").

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Average rainfall days in August
Big Sandy, MT

Average rainfall days in August - Big Sandy, MT
  • Average rainfall days in August: 6.8 days

The month with the highest number of rainy days is May (12.5 days).
The month with the least rainy days is February (4.2 days).

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Average snowfall in August
Big Sandy, MT

Average snowfall in August - Big Sandy, MT
  • Average snowfall in August: 0"

The month with the highest snowfall is January (2.4").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in August
Big Sandy, MT

Average snowfall days in August - Big Sandy, MT
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight in August /
Average sunshine in August
Big Sandy, MT

Average daylight in August / Average sunshine in August - Big Sandy, MT
  • Average daylight in August: 14h and 2min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in August: 11h and 3min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).

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Average sunshine days in August
Big Sandy, MT

Average sunshine days in August - Big Sandy, MT
  • Average sunshine days in August: 19.9 days

The month with the most sunshine days is September (21.5 days).
The month with the least sunshine days is June (14.6 days).

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Average UV index in August
Big Sandy, MT

Average UV index in August - Big Sandy, MT
  • Average UV index in August: 6

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in August
Big Sandy, MT

Average cloud cover in August - Big Sandy, 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 14).

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Average visibility in August
Big Sandy, MT

Average visibility in August - Big Sandy, 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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Big Sandy, Montana, USA

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