August weather forecastPleasant Hill, OR
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Pleasant Hill, Oregon, with an average temperature fluctuating between 49.6°F (9.8°C) and 80.4°F (26.9°C).Temperature
August, with an average high of 80.4°F (26.9°C) and a low of 49.6°F (9.8°C), signifies the warmest month of the year.Humidity
With an average relative humidity of 69%, August is the least humid month.Rainfall
In Pleasant Hill, in August, during 3.5 rainfall days, 0.31" (8mm) of precipitation is typically accumulated. In Pleasant Hill, during the entire year, the rain falls for 158.1 days and collects up to 30.12" (765mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In August, the average length of the day is 13h and 56min.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 6:34 am and sunset at 7:48 pm PDT.
Sunshine
The month with the most sunshine is August, with an average of 11h of sunshine.UV index
In Pleasant Hill, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: An average maximum UV index of 5 in August leads to these recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Pleasant Hill, 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 (46°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
Pleasant Hill, 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
Pleasant Hill, OR
- Average wind speed in August: 3.5mph
The windiest months (with the highest average wind speed) are January and March (4.4mph).
The calmest months (with the lowest average wind speed) are August and September (3.5mph).
Average humidity in August
Pleasant Hill, OR
- Average humidity in August: 69%
The months with the highest relative humidity are January, February, March and December (86%).
The month with the lowest relative humidity is August (69%).
Average rainfall in August
Pleasant Hill, OR
- Average rainfall in August: 0.31"
The wettest month (with the highest rainfall) is December (4.57").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in August
Pleasant Hill, OR
- Average rainfall days in August: 3.5 days
The month with the highest number of rainy days is March (20.3 days).
The month with the least rainy days is August (3.5 days).
Average snowfall in August
Pleasant Hill, OR
- Average snowfall in August: 0"
The month with the highest snowfall is February (2.72").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Pleasant Hill, OR
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (2.5 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
Pleasant Hill, 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
Pleasant Hill, OR
- Average sunshine days in August: 25.6 days
The month with the most sunshine days is August (25.6 days).
The month with the least sunshine days is February (9.1 days).
Average UV index in August
Pleasant Hill, 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
Pleasant Hill, OR
- Average cloud cover in August: 23
The month with the most cloud cover is March (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in August
Pleasant Hill, 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).
