August weather forecastCornelius, OR
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Cornelius, Oregon, with an average temperature ranging between min 55.4°F (13°C) and max 81.5°F (27.5°C).Temperature
In Cornelius, Oregon, the peak temperatures are generally noted in August, averaging a high of 81.5°F (27.5°C) and a low of 55.4°F (13°C).Heat index
For most parts of August, the heat index is estimated at 84.2°F (29°C). Continued exposure and engagement in activity might trigger tiredness and subsequently heat cramps.When referencing the heat index, its values are suitable for shady environments and light breezes. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
Humidity
August is the least humid month, with an average relative humidity of 64%.Rainfall
The month with the least rainfall in Cornelius is August, when the rain falls for 4.4 days and typically collects 0.31" (8mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in August is 14h and 3min.On the first day of August, sunrise is at 5:57 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 7:51 pm PDT.
Sunshine
With an average of 10.6h of sunshine, August has the most sunshine of the year.UV index
In August, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The daily maximum UV index of 4 in August interprets into the following advice:
Be vigilant - A duty to shield skin and eyes from injury exists. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Cornelius, OR
- Average high temperature in August: 81.5°F
The warmest month (with the highest average high temperature) is August (81.5°F).
The month with the lowest average high temperature is December (43.9°F).
- Average low temperature in August: 55.4°F
The month with the highest average low temperature is August (55.4°F).
The coldest month (with the lowest average low temperature) is December (34°F).
Average pressure in August
Cornelius, 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
Cornelius, OR
- Average wind speed in August: 4.3mph
The windiest month (with the highest average wind speed) is March (5mph).
The calmest months (with the lowest average wind speed) are June, August and September (4.3mph).
Average humidity in August
Cornelius, OR
- Average humidity in August: 64%
The months with the highest relative humidity are January, February, November and December (85%).
The month with the lowest relative humidity is August (64%).
Average rainfall in August
Cornelius, OR
- Average rainfall in August: 0.31"
The wettest month (with the highest rainfall) is January (4.57").
The driest month (with the least rainfall) is August (0.31").
Average rainfall days in August
Cornelius, OR
- Average rainfall days in August: 4.4 days
The month with the highest number of rainy days is March (20.8 days).
The month with the least rainy days is August (4.4 days).
Average snowfall in August
Cornelius, OR
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.81").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Cornelius, OR
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (2.4 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
Cornelius, OR
- Average daylight in August: 14h and 6min
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: 10h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in August
Cornelius, OR
- Average sunshine days in August: 24.3 days
The month with the most sunshine days is July (24.4 days).
The month with the least sunshine days is March (8.5 days).
Average UV index in August
Cornelius, OR
- Average UV index in August: 4
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
Cornelius, OR
- Average cloud cover in August: 25
The month with the most cloud cover is February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in August
Cornelius, 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 and February (4mi).
