August weather forecastEugene, OR
August
Weather in August
August continues the prevailing summer trend with high-reaching temperatures similar to July. However, this month brings a slight increase in rainfall, marking the end of Eugene's driest period. Nonetheless, the city remains sun-drenched with up to 11 hours of sunshine and the same extended daylight hours as observed in July. Even though the weather remains similar to the prior month, the receding temperatures and the building humidity offer a hint towards the approaching fall season.Temperature
Eugene's August weather, with an average high temperature of 81.3°F (27.4°C) and an average low temperature of 49.6°F (9.8°C), tends to be the warmest of the year.Heat index
In August, the average heat index is evaluated at 84.2°F (29°C). Exhaustion might be the outcome of enduring exposure and continuous activity, with a risk of heat cramps.Consider that heat index readings are for situations in the shade and light wind. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', embodies the combination of air temperature and moisture content to illustrate perceived heat. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold particular significance 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 is the least humid month, with an average relative humidity of 68%.Rainfall
In August, the rain falls for 2.5 days. Throughout August, 0.16" (4mm) of precipitation is accumulated. In Eugene, during the entire year, the rain falls for 109.9 days and collects up to 10.08" (256mm) of precipitation.Snowfall
April through November are months without snowfall in Eugene, Oregon.Daylight
In August, the average length of the day is 13h and 57min.On the first day of August, sunrise is at 6:01 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 7:49 pm PDT.
Sunshine
With an average of 11h of sunshine, August has the most sunshine of the year in Eugene, Oregon.UV index
The average daily maximum UV index in August in Eugene is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 5 in August converts into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Eugene, OR
- Average high temperature in August: 81.3°F
The warmest month (with the highest average high temperature) is August (81.3°F).
The month with the lowest average high temperature is December (46.2°F).
- Average low temperature in August: 49.6°F
The month with the highest average low temperature is August (49.6°F).
The coldest month (with the lowest average low temperature) is December (33.8°F).
Average pressure in August
Eugene, 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
Eugene, OR
- Average wind speed in August: 3.6mph
The windiest months (with the highest average wind speed) are January and March (4.5mph).
The calmest months (with the lowest average wind speed) are August and September (3.6mph).
Average humidity in August
Eugene, OR
- Average humidity in August: 68%
The months with the highest relative humidity are January, February, March and December (86%).
The month with the lowest relative humidity is August (68%).
Average rainfall in August
Eugene, OR
- Average rainfall in August: 0.16"
The wettest month (with the highest rainfall) is December (1.54").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in August
Eugene, OR
- Average rainfall days in August: 2.5 days
The month with the highest number of rainy days is December (13.4 days).
The month with the least rainy days is August (2.5 days).
Average snowfall in August
Eugene, OR
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.5").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in August
Eugene, 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
Eugene, OR
- Average daylight in August: 13h and 54min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- 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 6min).
Average sunshine days in August
Eugene, OR
- Average sunshine days in August: 27.3 days
The month with the most sunshine days is August (27.3 days).
The month with the least sunshine days is February (14.3 days).
Average UV index in August
Eugene, 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
Eugene, OR
- Average cloud cover in August: 23
The months with the most cloud cover are February and March (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in August
Eugene, OR
- Average visibility in August: 5mi
The months with the highest visibility are June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, May, November and December (4mi).
