Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
August brings a marginal elevation to a still warm 81.9°F (27.7°C) from July's 83.8°F (28.8°C) in Devils Tower's average high-temperatures. The significant decline in Devils Tower's temperature, from day to night, averages of 59.4°F (15.2°C) in August.Heat index
The average heat index in August is estimated at 82.4°F (28°C). Exposure and extended activity could potentially cause a state of fatigue and lead to heat cramps.One should consider that heat index numbers are for shaded settings and light wind. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', quantifies the warmth felt when relative humidity is considered. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.
Humidity
August and September, with an average relative humidity of 49%, are the least humid months.Rainfall
In Devils Tower, Wyoming, in August, it is raining for 11.8 days, with typically 1.54" (39mm) of accumulated precipitation. Throughout the year, there are 99.6 rainfall days, and 15.71" (399mm) of precipitation is accumulated.Snowfall
June through August are months without snowfall.Daylight
In Devils Tower, the average length of the day in August is 13h and 59min.On the first day of the month, sunrise is at 5:46 am and sunset at 8:23 pm. On the last day of August, sunrise is at 6:21 am and sunset at 7:36 pm MDT.
Sunshine
August has the most sunshine of the year, with an average of 11.7h of sunshine.UV index
In Devils Tower, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The average daily UV index of 5 in August transforms into the following instructions:
Put precautions into practice - Guidance to elude sunburn is provided. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average August temperature?
What are the least humid months?
What is the average humidity in August?
How much does it rain in August?
When it does not snow?
Does it snow in August?
What is the average length of the day in August?
When is the sunrise / sunset in August?
What month has the most sunshine?
How many hours of sunshine does Devils Tower have in August?
How high is the UV index in August?
Average temperature in August
Devils Tower, WY
- Average high temperature in August: 81.9°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 (30.9°F).
- Average low temperature in August: 59.4°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is February (16.2°F).
Average pressure in August
Devils Tower, WY
- Average pressure in August: 29.89"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in August
Devils Tower, WY
- Average wind speed in August: 8mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (8mph).
Average humidity in August
Devils Tower, WY
- Average humidity in August: 49%
The month with the highest relative humidity is January (79%).
The months with the lowest relative humidity are August and September (49%).
Average rainfall in August
Devils Tower, WY
- Average rainfall in August: 1.54"
The wettest month (with the highest rainfall) is May (2.32").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in August
Devils Tower, WY
- Average rainfall days in August: 11.8 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is February (2.9 days).
Average snowfall in August
Devils Tower, WY
- Average snowfall in August: 0"
The month with the highest snowfall is April (7.36").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Devils Tower, WY
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (11.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Devils Tower, 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 August (Average sunshine: 11h and 42min).
The months with the least sunshine are February and December (Average sunshine: 5h and 42min).
Average sunshine days in August
Devils Tower, WY
- Average sunshine days in August: 14.6 days
The months with the most sunshine days are September and November (20.3 days).
The month with the least sunshine days is May (12.7 days).
Average UV index in August
Devils Tower, 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, April, November and December (UV index 2).
Average cloud cover in August
Devils Tower, WY
- Average cloud cover in August: 16
The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in August
Devils Tower, 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).
Devils Tower, Wyoming, USA
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