July weather forecastPiedmont, WA
July
Weather in July
July, the same as June, is another enjoyable summer month in Piedmont, Washington, with an average temperature fluctuating between 67.6°F (19.8°C) and 47.3°F (8.5°C).Temperature
The start of July signals a slight increase in the average high-temperature, moving from 61°F (16.1°C) in June to a still enjoyable 67.6°F (19.8°C). Throughout July, Piedmont records an average temperature of 47.3°F (8.5°C) at night.Humidity
July and August, with an average relative humidity of 76%, are the least humid months.Rainfall
The months with the least rainfall are July and August Rain falls for 7.3 days and accumulates 0.43" (11mm) of rain.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in July in Piedmont is 15h and 35min.On the first day of July, sunrise is at 5:19 am and sunset at 9:18 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:52 pm PDT.
Sunshine
The months with the most sunshine are July and August, with an average of 10.4h of sunshine.UV index
June through August, with an average maximum UV index of 4, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: A maximum UV index of 4 in July translates into the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. To avoid the Sun's strongest rays, limit exposure around the mid-day period. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Piedmont, WA
- Average high temperature in July: 67.6°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 July: 47.3°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 July
Piedmont, WA
- Average pressure in July: 30.07"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 July
Piedmont, WA
- Average wind speed in July: 4mph
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 July
Piedmont, WA
- Average humidity in July: 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 July
Piedmont, WA
- Average rainfall in July: 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 July
Piedmont, WA
- Average rainfall days in July: 7.3 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 July
Piedmont, WA
- Average snowfall in July: 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 July
Piedmont, WA
- Average snowfall days in July: 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 July /
Average sunshine in July
Piedmont, WA
- Average daylight in July: 15h and 36min
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 July: 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 July
Piedmont, WA
- Average sunshine days in July: 21 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 July
Piedmont, WA
- Average UV index in July: 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 July
Piedmont, WA
- Average cloud cover in July: 29
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 July
Piedmont, WA
- Average visibility in July: 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).





