August weather forecast
Granite, WY

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Weather in August

The last month of the summer, August, is another warm month in Granite, Wyoming, with an average temperature ranging between min 58.5°F (14.7°C) and max 81.1°F (27.3°C).

Temperature

With August's advent, Granite, Wyoming, sees an average high-temperature of a still moderately hot 81.1°F (27.3°C), subtly shifted from July's 82.4°F (28°C). During August nights, Granite documents a marked contrast from daily highs, with an average temperature of 58.5°F (14.7°C).

Heat index

August's average heat index is appraised at 80.6°F (27°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', shows a temperature sensation when both heat and moisture conditions are combined. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.

Humidity

The months with the lowest humidity are August and September, with an average relative humidity of 43%.

Rainfall

In Granite, in August, during 11.7 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. In Granite, during the entire year, the rain falls for 115.8 days and collects up to 14.61" (371mm) of precipitation.

Snowfall

In Granite, snow does not fall in June through August.

Daylight

In Granite, Wyoming, the average length of the day in August is 13h and 46min.
On the first day of August, sunrise is at 5:57 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:34 pm MDT.

Sunshine

July and August, with an average of 11.6h of sunshine, are months with the most sunshine.

UV index

July and August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 6 during August translates into the following guidance:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in August?

The high-temperature, in August, in Granite, is 81.1°F (27.3°C), while the low-temperature averages to 58.5°F (14.7°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is appraised at 80.6°F (27°C).

What is the least humid month in Granite?

August and September, with an average relative humidity of 43%, are the least humid months.

What is the average humidity in August?

The average relative humidity in August is 43%.

How many days does it rain in August?

In August, in Granite, the rain falls for 11.7 days. Throughout August, 0.83" (21mm) of precipitation is accumulated.

When it does not snow in Granite?

In Granite, Wyoming, snow does not fall in June through August.

Does it snow in August?

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

What is the average length of the day in August in Granite?

The average day length in August is 13h and 46min.

When are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 5:57 am and sunset at 8:16 pm. On the last day of the month, in Granite, sunrise is at 6:27 am and sunset at 7:34 pm MDT.

What are the months with the most sunshine?

July and August, with an average of 11.6h of sunshine, are months with the most sunshine.

How long on average sun shines in August?

In August, the average sunshine duration is 11.6h.

What are the months with the highest UV index?

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

What is the UV index intensity in August?

The average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health threat 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
Granite, WY

Average temperature in August - Granite, WY
  • Average high temperature in August: 81.1°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is December (34.7°F).

  • Average low temperature in August: 58.5°F

The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is December (20.3°F).

Average pressure in August
Granite, WY

Average pressure in August - Granite, WY
  • Average pressure in August: 29.95"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).

Average wind speed in August
Granite, WY

Average wind speed in August - Granite, WY
  • Average wind speed in August: 8.7mph

The windiest month (with the highest average wind speed) is January (14.2mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).

Average humidity in August
Granite, WY

Average humidity in August - Granite, WY
  • Average humidity in August: 43%

The month with the highest relative humidity is February (64%).
The months with the lowest relative humidity are August and September (43%).

Average rainfall in August
Granite, WY

Average rainfall in August - Granite, WY
  • Average rainfall in August: 0.83"

The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is January (0.43").

Average rainfall days in August
Granite, WY

Average rainfall days in August - Granite, WY
  • Average rainfall days in August: 11.7 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (4.7 days).

Average snowfall in August
Granite, WY

Average snowfall in August - Granite, WY
  • Average snowfall in August: 0"

The month with the highest snowfall is March (6.06").
The months with the least snowfall are June, July and August (0").

Average snowfall days in August
Granite, WY

Average snowfall days in August - Granite, WY
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (11.3 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in August /
Average sunshine in August
Granite, WY

Average daylight in August / Average sunshine in August - Granite, 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 4min

The months with the most sunshine are July and August (Average sunshine: 11h and 36min).
The month with the least sunshine is February (Average sunshine: 6h and 30min).

Average sunshine days in August
Granite, WY

Average sunshine days in August - Granite, WY
  • Average sunshine days in August: 15.5 days

The month with the most sunshine days is January (20.7 days).
The month with the least sunshine days is April (9.3 days).

Average UV index in August
Granite, WY

Average UV index in August - Granite, WY
  • Average UV index in August: 6

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

Average cloud cover in August
Granite, WY

Average cloud cover in August - Granite, WY
  • Average cloud cover in August: 19

The months with the most cloud cover are April and May (Cloud cover 32).
The month with the least cloud cover is September (Cloud cover 18).

Average visibility in August
Granite, WY

Average visibility in August - Granite, 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).

Granite, Wyoming, USA

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