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
The start of August marks an average high-temperature of a still moderately hot 75°F (23.9°C), hardly distinguishable from the conditions in July. An average low-temperature of 55°F (12.8°C) is anticipated throughout the nights during August.Humidity
In Powell, the average relative humidity in August is 78%.Rainfall
In August, in Powell, the rain falls for 15.5 days. Throughout August, 2.17" (55mm) of precipitation is accumulated. In Powell, during the entire year, the rain falls for 128 days and collects up to 23.5" (597mm) of precipitation.Snowfall
June through September are months without snowfall in Powell.Daylight
In August, the average length of the day is 14h and 6min.On the first day of the month, sunrise is at 5:43 am and sunset at 8:29 pm. On the last day of August, sunrise is at 6:20 am and sunset at 7:39 pm CDT.
Sunshine
The average sunshine in August is 9h.UV index
June through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In August, the maximum UV index of 5 suggests these recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are August temperatures?
What is the average humidity in August?
How many days does it rain in August?
When it does not snow?
What is the average length of the day in August?
What time are sunrise and sunset in August?
How long on average sun shines in August?
What is the month with the highest UV index?
What is the UV index intensity in August?
Average temperature in August
Powell, WI
- Average high temperature in August: 75°F
The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is January (18.5°F).
- Average low temperature in August: 55°F
The month with the highest average low temperature is July (56.5°F).
The coldest month (with the lowest average low temperature) is January (7.2°F).
Average pressure in August
Powell, WI
- Average pressure in August: 29.94"Hg
The months with the highest atmospheric pressure are February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in August
Powell, WI
- Average wind speed in August: 6.8mph
The windiest month (with the highest average wind speed) is November (8.7mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in August
Powell, WI
- Average humidity in August: 78%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (71%).
Average rainfall in August
Powell, WI
- Average rainfall in August: 2.17"
The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days in August
Powell, WI
- Average rainfall days in August: 15.5 days
The month with the highest number of rainy days is May (16.2 days).
The months with the least rainy days are January and February (2.3 days).
Average snowfall in August
Powell, WI
- Average snowfall in August: 0"
The month with the highest snowfall is December (9.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Powell, WI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (24.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Powell, WI
- Average daylight in August: 14h and 1min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in August: 9h and 0min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 1h and 54min).
Average sunshine days in August
Powell, WI
- Average sunshine days in August: 11.8 days
The month with the most sunshine days is September (13.7 days).
The month with the least sunshine days is January (6.5 days).
Average UV index in August
Powell, WI
- 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, November and December (UV index 1).
Average cloud cover in August
Powell, WI
- Average cloud cover in August: 42
The month with the most cloud cover is January (Cloud cover 83).
The month with the least cloud cover is July (Cloud cover 39).
Average visibility in August
Powell, WI
- Average visibility in August: 5mi
The months with the highest visibility are May and June (6mi).
The months with the lowest visibility are January, February, March and December (4mi).
Powell, Wisconsin, USA
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