August weather forecastPiedmont, WA
August
Weather in August
August, the last month of the summer in Piedmont, is a pleasant month, with temperature in the range of an average low of 48.6°F (9.2°C) and an average high of 69.1°F (20.6°C).Temperature
In Piedmont, the peak average temperatures are observed in August, with a high of 69.1°F (20.6°C) and a low of 48.6°F (9.2°C).Humidity
The months with the lowest humidity are July and August, with an average relative humidity of 76%.Rainfall
The months with the least rainfall are July and August Rain falls for 5.4 days and accumulates 0.43" (11mm) of rain.Snowfall
May through October are months without snowfall in Piedmont, Washington.Daylight
In Piedmont, the average length of the day in August is 14h and 14min.On the first day of the month, sunrise is at 5:52 am and sunset at 8:50 pm. On the last day of August, sunrise is at 6:32 am and sunset at 7:57 pm PDT.
Sunshine
July and August, with an average of 10.4h of sunshine, are months with the most sunshine.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In August, an average UV index of 4 transforms into the following instructions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Piedmont, WA
- Average high temperature in August: 69.1°F
The warmest month (with the highest average high temperature) is August (69.1°F).
The month with the lowest average high temperature is December (39.4°F).
- Average low temperature in August: 48.6°F
The month with the highest average low temperature is August (48.6°F).
The coldest months (with the lowest average low temperature) are February and December (31.5°F).
Average pressure in August
Piedmont, WA
- Average pressure in August: 30.03"Hg
The month with the highest atmospheric pressure is July (30.07"Hg).
The month with the lowest atmospheric pressure is March (29.99"Hg).
Average wind speed in August
Piedmont, WA
- Average wind speed in August: 3.5mph
The windiest months (with the highest average wind speed) are January and November (5.2mph).
The calmest months (with the lowest average wind speed) are August and September (3.5mph).
Average humidity in August
Piedmont, WA
- Average humidity in August: 76%
The months with the highest relative humidity are January and December (89%).
The months with the lowest relative humidity are July and August (76%).
Average rainfall in August
Piedmont, WA
- Average rainfall in August: 0.43"
The wettest month (with the highest rainfall) is January (3.35").
The driest months (with the least rainfall) are July and August (0.43").
Average rainfall days in August
Piedmont, WA
- Average rainfall days in August: 5.4 days
The month with the highest number of rainy days is March (16.1 days).
The month with the least rainy days is August (5.4 days).
Average snowfall in August
Piedmont, WA
- Average snowfall in August: 0"
The month with the highest snowfall is February (4.53").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Piedmont, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (7.2 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
Piedmont, WA
- Average daylight in August: 14h and 12min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in August: 10h and 24min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in August
Piedmont, WA
- Average sunshine days in August: 22.5 days
The month with the most sunshine days is August (22.5 days).
The month with the least sunshine days is February (9.6 days).
Average UV index in August
Piedmont, WA
- Average UV index in August: 4
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in August
Piedmont, WA
- Average cloud cover in August: 28
The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in August
Piedmont, WA
- Average visibility in August: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February, March and December (4mi).
