August weather forecast
Mountain View, WY

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Weather in August

August in Mountain View, Wyoming, continues the trend of warm and dry summer weather. The decrease in precipitation to a modest 0.67" (17mm) further fortifies the summer-dominated climate. As the days start to become slightly shorter, the intensity and duration of sunlight begin to slightly decrease. Residents anticipate the transition from the high summer to the welcoming autumn. Though still hot, the weather starts to show signs of the approaching fall season, with the gradual decrease in daylight and temperatures.

Temperature

With the arrival of August, Mountain View's average high-temperature registers at a still warm 76.6°F (24.8°C), indicating a subtle variation from the previous month. During August, Mountain View detects a significant contrast from its daytime temperatures, with nights averaging at a fresh 54.9°F (12.7°C).

Humidity

July and August, with an average relative humidity of 36%, are the least humid months.

Rainfall

In August, the rain falls for 9.3 days. Throughout August, 0.67" (17mm) of precipitation is accumulated. Throughout the year, there are 112.2 rainfall days, and 11.57" (294mm) of precipitation is accumulated.

Snowfall

July and August are months without snowfall.

Daylight

In Mountain View, the average length of the day in August is 13h and 46min.
On the first day of the month, sunrise is at 6:17 am and sunset at 8:37 pm. On the last day of August, sunrise is at 6:47 am and sunset at 7:55 pm MDT.

Sunshine

The months with the most sunshine are July and August, with an average of 11.9h of sunshine.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily high UV index of 5 in August translates into this advice:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are August temperatures?

The average high-temperature, in August, in Mountain View, is 76.6°F (24.8°C), while the average low-temperature is 54.9°F (12.7°C).

What is the least humid month?

The months with the lowest humidity are July and August, with an average relative humidity of 36%.

What is the average humidity in August?

In Mountain View, the average relative humidity in August is 36%.

How many days does it rain in August?

In Mountain View, in August, during 9.3 rainfall days, 0.67" (17mm) of precipitation is typically accumulated.

When it does not snow?

July and August are months without snowfall.

Does it snow in Mountain View in August?

In Mountain View, in August, it doesn't snow. In September, it regularly snows.

What is the average length of the day in August?

In Mountain View, the average day length in August is 13h and 46min.

When is the sunrise / sunset in August?

On the first day of August, sunrise is at 6:17 am and sunset at 8:37 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 7:55 pm MDT.

What is the month with the most sunshine?

July and August, with an average of 11.9h of sunshine, are months with the most sunshine.

How long on average sun shines in August in Mountain View?

The average sunshine duration in August is 11.9h.

What are the months with the highest UV index?

June through August, with an average maximum UV index of 5, are months with the highest UV index.

What is the UV index intensity in August?

In August, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health threat 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
Mountain View, WY

Average temperature in August - Mountain View, WY
  • Average high temperature in August: 76.6°F

The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is December (26.6°F).

  • Average low temperature in August: 54.9°F

The month with the highest average low temperature is July (55.6°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).

Average pressure in August
Mountain View, WY

Average pressure in August - Mountain View, WY
  • Average pressure in August: 29.95"Hg

The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in August
Mountain View, WY

Average wind speed in August - Mountain View, WY
  • Average wind speed in August: 8.1mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).

Average humidity in August
Mountain View, WY

Average humidity in August - Mountain View, WY
  • Average humidity in August: 36%

The months with the highest relative humidity are January and February (82%).
The months with the lowest relative humidity are July and August (36%).

Average rainfall in August
Mountain View, WY

Average rainfall in August - Mountain View, WY
  • Average rainfall in August: 0.67"

The wettest month (with the highest rainfall) is May (2.01").
The driest months (with the least rainfall) are January and July (0.63").

Average rainfall days in August
Mountain View, WY

Average rainfall days in August - Mountain View, WY
  • Average rainfall days in August: 9.3 days

The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is November (6 days).

Average snowfall in August
Mountain View, WY

Average snowfall in August - Mountain View, WY
  • Average snowfall in August: 0"

The month with the highest snowfall is March (8.78").
The months with the least snowfall are July and August (0").

Average snowfall days in August
Mountain View, WY

Average snowfall days in August - Mountain View, WY
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is March (15.1 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in August /
Average sunshine in August
Mountain View, WY

Average daylight in August / Average sunshine in August - Mountain View, WY
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in August: 11h and 5min

The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).

Average sunshine days in August
Mountain View, WY

Average sunshine days in August - Mountain View, WY
  • Average sunshine days in August: 18.2 days

The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is April (9.4 days).

Average UV index in August
Mountain View, WY

Average UV index in August - Mountain View, WY
  • Average UV index in August: 5

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).

Average cloud cover in August
Mountain View, WY

Average cloud cover in August - Mountain View, WY
  • Average cloud cover in August: 12

The month with the most cloud cover is February (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 12).

Average visibility in August
Mountain View, WY

Average visibility in August - Mountain View, WY
  • Average visibility in August: 6mi

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).

Mountain View, Wyoming, USA

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