August weather forecastCascadia, OR
August
Weather in August
The last month of the summer, August, is another warm month in Cascadia, Oregon, with an average temperature fluctuating between 49.8°F (9.9°C) and 79.5°F (26.4°C).Temperature
August, recognised by an average high temperature of 79.5°F (26.4°C) and a low of 49.8°F (9.9°C), is Cascadia's warmest month.Humidity
With an average relative humidity of 66%, August is the least humid month.Rainfall
In Cascadia, in August, it is raining for 4.2 days, with typically 0.31" (8mm) of accumulated precipitation. In Cascadia, during the entire year, the rain falls for 167.6 days and collects up to 36.54" (928mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in August is 13h and 58min.On the first day of August, sunrise is at 5:58 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 7:47 pm PDT.
Sunshine
The month with the most sunshine is August, with an average of 11.3h of sunshine.UV index
In August, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In August, an average UV index of 5 transforms into the following instructions:
Be vigilant - Suggestions to stave off sun damage are provided. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Cascadia, OR
- Average high temperature in August: 79.5°F
The warmest month (with the highest average high temperature) is August (79.5°F).
The month with the lowest average high temperature is December (44.4°F).
- Average low temperature in August: 49.8°F
The month with the highest average low temperature is August (49.8°F).
The coldest month (with the lowest average low temperature) is December (32.9°F).
Average pressure in August
Cascadia, 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
Cascadia, OR
- Average wind speed in August: 3.7mph
The windiest month (with the highest average wind speed) is January (5.1mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in August
Cascadia, OR
- Average humidity in August: 66%
The months with the highest relative humidity are February, March and December (86%).
The month with the lowest relative humidity is August (66%).
Average rainfall in August
Cascadia, OR
- Average rainfall in August: 0.31"
The wettest month (with the highest rainfall) is December (5.47").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in August
Cascadia, OR
- Average rainfall days in August: 4.2 days
The month with the highest number of rainy days is March (21.1 days).
The month with the least rainy days is July (4.1 days).
Average snowfall in August
Cascadia, OR
- Average snowfall in August: 0"
The month with the highest snowfall is February (3.7").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Cascadia, OR
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (3.4 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
Cascadia, 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: 11h and 18min
The month with the most sunshine is August (Average sunshine: 11h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in August
Cascadia, OR
- Average sunshine days in August: 24.8 days
The month with the most sunshine days is July (25.7 days).
The month with the least sunshine days is February (8.4 days).
Average UV index in August
Cascadia, OR
- Average UV index in August: 5
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in August
Cascadia, OR
- Average cloud cover in August: 19
The months with the most cloud cover are February and March (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in August
Cascadia, OR
- Average visibility in August: 6mi
The month with the highest visibility is August (6mi).
The months with the lowest visibility are February and April (4mi).
