August weather forecastArock, OR
August
Weather in August
August, the last month of the summer in Arock, is another warm month, with temperature in the range of an average low of 64.6°F (18.1°C) and an average high of 85.6°F (29.8°C).Temperature
The transition from July to August sees average high-temperatures adjusting to a moderately hot 85.6°F (29.8°C), from a not significantly different 87.3°F (30.7°C). In Arock, August is marked by an average low-temperature of 64.6°F (18.1°C).Humidity
The months with the lowest humidity are July and August, with an average relative humidity of 25%.Rainfall
The months with the least rainfall are July and August Rain falls for 2.8 days and accumulates 0.16" (4mm) of rain.Snowfall
In Arock, snow does not fall in June through September.Daylight
In Arock, the average length of the day in August is 13h and 53min.On the first day of the month, sunrise is at 6:42 am and sunset at 9:10 pm. On the last day of August, sunrise is at 7:14 am and sunset at 8:25 pm MDT.
Sunshine
In Arock, Oregon, the average sunshine in August is 11h.UV index
In August, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 6 in August interprets into the following advice:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Arock, OR
- Average high temperature in August: 85.6°F
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is December (34.3°F).
- Average low temperature in August: 64.6°F
The month with the highest average low temperature is August (64.6°F).
The coldest month (with the lowest average low temperature) is December (22.8°F).
Average pressure in August
Arock, OR
- Average pressure in August: 29.91"Hg
The month with the highest atmospheric pressure is January (30.24"Hg).
The months with the lowest atmospheric pressure are June, July and August (29.91"Hg).
Average wind speed in August
Arock, OR
- Average wind speed in August: 6.3mph
The windiest month (with the highest average wind speed) is March (8.7mph).
The calmest months (with the lowest average wind speed) are January and August (6.3mph).
Average humidity in August
Arock, OR
- Average humidity in August: 25%
The months with the highest relative humidity are January and December (77%).
The months with the lowest relative humidity are July and August (25%).
Average rainfall in August
Arock, OR
- Average rainfall in August: 0.16"
The wettest month (with the highest rainfall) is March (1.46").
The driest months (with the least rainfall) are July and August (0.16").
Average rainfall days in August
Arock, OR
- Average rainfall days in August: 2.8 days
The month with the highest number of rainy days is March (15.6 days).
The month with the least rainy days is July (2.6 days).
Average snowfall in August
Arock, OR
- Average snowfall in August: 0"
The month with the highest snowfall is December (6.34").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Arock, OR
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Arock, OR
- Average daylight in August: 13h and 54min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in August: 11h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in August
Arock, OR
- Average sunshine days in August: 25 days
The month with the most sunshine days is July (26.6 days).
The month with the least sunshine days is March (12.3 days).
Average UV index in August
Arock, OR
- Average UV index in August: 6
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Arock, OR
- Average cloud cover in August: 9
The month with the most cloud cover is December (Cloud cover 38).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility in August
Arock, OR
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





