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 is the warmest month in Wilsonville, with the temperature often reaching an average high of 81°F (27.2°C) and an average low of 54°F (12.2°C).Heat index
The heat index in August is computed to be 84.2°F (29°C). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.One should be cognizant that the heat index values are tailored for shaded spots and mild winds. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is the outcome of merging air's temperature and its humidity metrics. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Humidity
The least humid month is August, with an average relative humidity of 65%.Rainfall
The months with the least rainfall in Wilsonville are July and August Rain falls for 4.4 days and accumulates 0.31" (8mm) of rain.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in August is 14h and 2min.On the first day of the month, sunrise is at 5:56 am and sunset at 8:38 pm. On the last day of August, sunrise is at 6:32 am and sunset at 7:49 pm PDT.
Sunshine
August has the most sunshine of the year, with an average of 11.1h of sunshine.UV index
The average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In August, the maximum UV index of 5 suggests this advice:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. It's recommended to limit sun exposure when its radiation is at its peak during midday. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the hottest time of year?
What is the usual temperature for Wilsonville in August?
What is the least humid month?
What is the average humidity in August?
What is the driest month?
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 in Wilsonville?
What month has the most sunshine?
How many hours of sunshine does Wilsonville have in August?
What is the UV index reading in August?
Average temperature in August
Wilsonville, OR
- Average high temperature in August: 81°F
The warmest month (with the highest average high temperature) is August (81°F).
The month with the lowest average high temperature is December (44.2°F).
- Average low temperature in August: 54°F
The month with the highest average low temperature is August (54°F).
The coldest month (with the lowest average low temperature) is December (34.3°F).
Average pressure in August
Wilsonville, OR
- Average pressure in August: 30.01"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in August
Wilsonville, OR
- Average wind speed in August: 3.8mph
The windiest months (with the highest average wind speed) are January and February (5.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in August
Wilsonville, OR
- Average humidity in August: 65%
The months with the highest relative humidity are January, February and December (85%).
The month with the lowest relative humidity is August (65%).
Average rainfall in August
Wilsonville, OR
- Average rainfall in August: 0.31"
The wettest month (with the highest rainfall) is December (4.49").
The driest months (with the least rainfall) are July and August (0.31").
Average rainfall days in August
Wilsonville, OR
- Average rainfall days in August: 4.4 days
The month with the highest number of rainy days is March (20.9 days).
The months with the least rainy days are July and August (4.4 days).
Average snowfall in August
Wilsonville, OR
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.26").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Wilsonville, OR
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Wilsonville, OR
- Average daylight in August: 14h and 0min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in August: 11h and 1min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in August
Wilsonville, OR
- Average sunshine days in August: 24.6 days
The month with the most sunshine days is July (25 days).
The month with the least sunshine days is March (8.3 days).
Average UV index in August
Wilsonville, OR
- 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, November and December (UV index 2).
Average cloud cover in August
Wilsonville, OR
- Average cloud cover in August: 21
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in August
Wilsonville, OR
- Average visibility in August: 6mi
The months with the highest visibility are July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, May, June, October, November and December (5mi).
Wilsonville, Oregon, USA
Weather forecast for your location
2. Allow the app to use your location
