August weather forecastPowell, WY
August
Weather in August
August in Powell, Wyoming, holds on to the summer vibes, even though it is preparing to give its reign over to the ensuing fall season. Here, the summer's classic imprint of low precipitation continues, hardly measuring up to reach 0.63" (16mm). Upcoming September continues to ride the summer wave, but starts to show subtle hints of the upcoming autumnal chill. As opposed to July, there is a negligible change in weather conditions, making August another prime time for partaking in a plethora of water-based activities.Temperature
A minimal variation is noted in Powell's average high-temperature at the onset of August, reaching a still warm 81.3°F (27.4°C) from July's 83.8°F (28.8°C). During August, Powell perceives a consistent contrast from the daytime highs, with an average low-temperature of 59.4°F (15.2°C).Humidity
July and August, with an average relative humidity of 37%, are the least humid months.Rainfall
In Powell, during August, the rain falls for 9.2 days and regularly aggregates up to 0.63" (16mm) of precipitation. In Powell, during the entire year, the rain falls for 105.7 days and collects up to 8.19" (208mm) of precipitation.Snowfall
July and August are months without snowfall in Powell, Wyoming.Daylight
The average length of the day in August in Powell is 14h and 0min.On the first day of August in Powell, sunrise is at 6:02 am and sunset at 8:40 pm. On the last day of the month, sunrise is at 6:37 am and sunset at 7:53 pm MDT.
Sunshine
In Powell, the average sunshine in August is 11.8h.UV index
The average daily maximum UV index in August in Powell, Wyoming, 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: The maximum UV index of 5 during August leads to these instructions:
Put precautions into practice - Guidance to elude sunburn is provided. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Powell, WY
- Average high temperature in August: 81.3°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 (29.7°F).
- Average low temperature in August: 59.4°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is December (15.6°F).
Average pressure in August
Powell, WY
- Average pressure in August: 29.95"Hg
The months with the highest atmospheric pressure are January and December (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in August
Powell, WY
- Average wind speed in August: 6.2mph
The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in August
Powell, WY
- Average humidity in August: 37%
The month with the highest relative humidity is January (76%).
The months with the lowest relative humidity are July and August (37%).
Average rainfall in August
Powell, WY
- Average rainfall in August: 0.63"
The wettest month (with the highest rainfall) is May (1.5").
The driest month (with the least rainfall) is January (0.31").
Average rainfall days in August
Powell, WY
- Average rainfall days in August: 9.2 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is December (4.9 days).
Average snowfall in August
Powell, WY
- Average snowfall in August: 0"
The month with the highest snowfall is February (3.9").
The months with the least snowfall are July and August (0").
Average snowfall days in August
Powell, WY
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (11 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in August /
Average sunshine in August
Powell, 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 48min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 42min).
Average sunshine days in August
Powell, WY
- Average sunshine days in August: 14.9 days
The month with the most sunshine days is December (21.7 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in August
Powell, WY
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in August
Powell, WY
- Average cloud cover in August: 14
The month with the most cloud cover is February (Cloud cover 32).
The month with the least cloud cover is July (Cloud cover 13).
Average visibility in August
Powell, 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).
