August weather forecastCorvallis, OR
August
Weather in August
August continues to bath Corvallis, Oregon in warm, sunny weather. Although temperatures slightly decrease compared to July, they remain comfortably high. Similarly, daylight hours decrease modestly but still provide ample time for outdoor activities. This period shows a slight increase in rainfall to 0.47" (12mm) while maintaining the overall dry summer atmosphere. The proliferation of clear skies, along with warm temperatures, make August an inviting month for locals and visitors alike.Temperature
With average high and low temperatures of 80.4°F (26.9°C) and 52°F (11.1°C) respectively, August is Corvallis's warmest month.Humidity
The least humid month is August, with an average relative humidity of 69%.Rainfall
In Corvallis, in August, it is raining for 4.5 days, with typically 0.47" (12mm) of accumulated precipitation. In Corvallis, during the entire year, the rain falls for 169.2 days and collects up to 30.28" (769mm) of precipitation.Snowfall
April through October are months without snowfall in Corvallis.Daylight
The average length of the day in August is 13h and 59min.On the first day of the month, sunrise is at 6:00 am and sunset at 8:38 pm. On the last day of August, sunrise is at 6:35 am and sunset at 7:50 pm PDT.
Sunshine
The months with the most sunshine are July and August, with an average of 10.8h of sunshine.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 5 in August translates into these instructions:
Undertake precautions - It is suggested to shield oneself from sunburn. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. 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
Corvallis, OR
- Average high temperature in August: 80.4°F
The warmest month (with the highest average high temperature) is August (80.4°F).
The month with the lowest average high temperature is December (44.8°F).
- Average low temperature in August: 52°F
The month with the highest average low temperature is August (52°F).
The coldest month (with the lowest average low temperature) is December (34.2°F).
Average pressure in August
Corvallis, OR
- Average pressure in August: 30.01"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in August
Corvallis, OR
- Average wind speed in August: 4mph
The windiest month (with the highest average wind speed) is March (4.9mph).
The calmest month (with the lowest average wind speed) is September (3.9mph).
Average humidity in August
Corvallis, OR
- Average humidity in August: 69%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (69%).
Average rainfall in August
Corvallis, OR
- Average rainfall in August: 0.47"
The wettest month (with the highest rainfall) is December (4.8").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in August
Corvallis, OR
- Average rainfall days in August: 4.5 days
The month with the highest number of rainy days is March (20.9 days).
The month with the least rainy days is August (4.5 days).
Average snowfall in August
Corvallis, OR
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.77").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Corvallis, OR
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (1.8 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
Corvallis, OR
- 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: 10h and 48min
The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in August
Corvallis, OR
- Average sunshine days in August: 23.6 days
The month with the most sunshine days is July (24.3 days).
The month with the least sunshine days is February (8.4 days).
Average UV index in August
Corvallis, OR
- 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, February, November and December (UV index 2).
Average cloud cover in August
Corvallis, OR
- Average cloud cover in August: 25
The month with the most cloud cover is February (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in August
Corvallis, 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).
