August weather forecast
Big Horn, WY

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Weather in August

The last month of the summer, August, is also a moderately hot month in Big Horn, Wyoming, with an average temperature ranging between max 77.4°F (25.2°C) and min 56.1°F (13.4°C).

Temperature

Big Horn experiences an average high-temperature of a still warm 77.4°F (25.2°C) in August, marking an insignificant shift from 78.8°F (26°C) in July. During the August nights, an average temperature of 56.1°F (13.4°C) is observed.

Humidity

August is the least humid month in Big Horn, with an average relative humidity of 46%.

Rainfall

In Big Horn, in August, during 17.3 rainfall days, 1.81" (46mm) of precipitation is typically accumulated. Throughout the year, there are 165.2 rainfall days, and 21.22" (539mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Big Horn, the average length of the day in August is 13h and 59min.
On the first day of the month, sunrise is at 5:55 am and sunset at 8:33 pm. On the last day of August, sunrise is at 6:30 am and sunset at 7:45 pm MDT.

Sunshine

In Big Horn, the average sunshine in August is 11.7h.

UV index

The average daily maximum UV index in August in Big Horn is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum daily UV index of 5 during August morphs into the following directions:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Experience reduced UV exposure by about half when donning a wide-brim hat.
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Frequently asked questions

What is the temperature in August in Big Horn?

In Big Horn, 77.4°F (25.2°C) is the average high-temperature and 56.1°F (13.4°C) is the average low-temperature during August.

What is the least humid month in Big Horn?

With an average relative humidity of 46%, August is the least humid month.

What is the average humidity in August in Big Horn?

In August, the average relative humidity is 46%.

How many days does it rain in August in Big Horn?

In Big Horn, in August, it is raining for 17.3 days, with typically 1.81" (46mm) of accumulated precipitation.

When it does not snow in Big Horn?

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

Does it snow in Big Horn in August?

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

How many hours of daylight does Big Horn have in August?

In August, the average day length in Big Horn is 13h and 59min.

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

On the first day of August in Big Horn, Wyoming, sunrise is at 5:55 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 7:45 pm MDT.

How many hours of sunshine does Big Horn have in August?

The average sunshine duration in August in Big Horn, Wyoming, is 11.7h.

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

In Big Horn, Wyoming, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to 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 Horn, WY

Average temperature in August - Big Horn, WY
  • Average high temperature in August: 77.4°F

The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is February (29.1°F).

  • Average low temperature in August: 56.1°F

The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is February (14.4°F).

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Average pressure in August
Big Horn, WY

Average pressure in August - Big Horn, WY
  • Average pressure in August: 29.91"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 Horn, WY

Average wind speed in August - Big Horn, WY
  • Average wind speed in August: 5.8mph

The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

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Average humidity in August
Big Horn, WY

Average humidity in August - Big Horn, WY
  • Average humidity in August: 46%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is August (46%).

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Average rainfall in August
Big Horn, WY

Average rainfall in August - Big Horn, WY
  • Average rainfall in August: 1.81"

The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is December (0.75").

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Average rainfall days in August
Big Horn, WY

Average rainfall days in August - Big Horn, WY
  • Average rainfall days in August: 17.3 days

The month with the highest number of rainy days is May (22.3 days).
The month with the least rainy days is November (7.5 days).

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Average snowfall in August
Big Horn, WY

Average snowfall in August - Big Horn, WY
  • Average snowfall in August: 0"

The month with the highest snowfall is April (8.7").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in August
Big Horn, WY

Average snowfall days in August - Big Horn, WY
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (15.8 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 Horn, WY

Average daylight in August / Average sunshine in August - Big Horn, WY
  • Average daylight in August: 14h and 0min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in August: 11h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 6min).

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Average sunshine days in August
Big Horn, WY

Average sunshine days in August - Big Horn, WY
  • Average sunshine days in August: 9.2 days

The month with the most sunshine days is November (15.2 days).
The month with the least sunshine days is May (5.8 days).

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Average UV index in August
Big Horn, WY

Average UV index in August - Big Horn, WY
  • 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, April, October, November and December (UV index 2).

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Average cloud cover in August
Big Horn, WY

Average cloud cover in August - Big Horn, WY
  • Average cloud cover in August: 16

The months with the most cloud cover are February and April (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 15).

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Average visibility in August
Big Horn, WY

Average visibility in August - Big Horn, WY
  • 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 Horn, Wyoming, USA

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