August weather forecastHappy Valley, OR
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Happy Valley, Oregon, with temperature in the range of an average low of 54.5°F (12.5°C) and an average high of 81.7°F (27.6°C).Temperature
August brings the highest temperatures, with an average high of 81.7°F (27.6°C) and an average low of 54.5°F (12.5°C).Heat index
The heat index value during August is calculated to be 84.2°F (29°C). Continuing activity during long-lasting exposure might induce tiredness and result in heat cramps.Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
Humidity
With an average relative humidity of 63%, August is the least humid month.Rainfall
In Happy Valley, in August, during 5 rainfall days, 0.35" (9mm) of precipitation is typically accumulated. Throughout the year, there are 172.2 rainfall days, and 31.3" (795mm) of precipitation is accumulated.Snowfall
In Happy Valley, snow does not fall in April through October.Daylight
The average length of the day in August in Happy Valley is 14h and 3min.On the first day of August, sunrise is at 5:55 am and sunset at 8:37 pm. On the last day of the month, sunrise is at 6:31 am and sunset at 7:48 pm PDT.
Sunshine
The month with the most sunshine is August, with an average of 11h of sunshine.UV index
The average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 5 in August converts into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Happy Valley, OR
- Average high temperature in August: 81.7°F
The warmest month (with the highest average high temperature) is August (81.7°F).
The month with the lowest average high temperature is December (44.4°F).
- Average low temperature in August: 54.5°F
The month with the highest average low temperature is August (54.5°F).
The coldest month (with the lowest average low temperature) is December (34.7°F).
Average pressure in August
Happy Valley, OR
- Average pressure in August: 30"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in August
Happy Valley, OR
- Average wind speed in August: 3.7mph
The windiest month (with the highest average wind speed) is January (6mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in August
Happy Valley, OR
- Average humidity in August: 63%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is August (63%).
Average rainfall in August
Happy Valley, OR
- Average rainfall in August: 0.35"
The wettest month (with the highest rainfall) is December (4.57").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in August
Happy Valley, OR
- Average rainfall days in August: 5 days
The month with the highest number of rainy days is March (20.4 days).
The month with the least rainy days is July (4.8 days).
Average snowfall in August
Happy Valley, OR
- Average snowfall in August: 0"
The month with the highest snowfall is March (1.46").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Happy Valley, OR
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Happy Valley, 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 0min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in August
Happy Valley, OR
- Average sunshine days in August: 23.8 days
The month with the most sunshine days is July (23.9 days).
The month with the least sunshine days is February (8.3 days).
Average UV index in August
Happy Valley, 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
Happy Valley, OR
- Average cloud cover in August: 22
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in August
Happy Valley, OR
- Average visibility in August: 6mi
The months with the highest visibility are July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, May, June, November and December (5mi).
